yamaha f225 motor lf225 f250 lf250 f300 lf300

Read this manual carefully before operating thisoutboard motor.

OWNER’S MANUAL

F225LF225F250LF250F300LF300

LIT-18626-12-516CE-28199-3A-E0

6CE-9-3A-1E0.book 1 ページ２０１８年１１月１日　木曜日　午後２時２１分

©2020 Yamaha Motor Corporation

EMU25065

This productcan expose you to chemicalsincluding engine exhaust, whichis known to the State of Californiato cause cancer, and carbonmonoxide, which is known to theState of California to cause birthdefects or other reproductive harm.For more information go towww.P65Warnings.ca.gov.

WARNING:

Ce produit peut vous exposer à des produits chimiques y compris aux gaz d’échappement, qui sont considérés par l’état de Californie comme étant cancérigènes, et au monoxyde de carbone, qui est considéré par l’état de Californie comme un facteur de malformations congénitales ou d’autres troubles de la reproduction. Pour plus d’informations, rendez-vous sur www.P65Warnings.ca.gov.

ZMU08844

Read this manual carefully before operating this outboard motor. Keep this manual onboard in a waterproof bag when boating. This manual should stay with the outboard motor if it is sold.



Important manual informationEMU44141

To the ownerThank you for selecting a Yamaha outboardmotor. This Owner’s Manual contains infor-mation needed for proper operation, mainte-nance and care. A thorough understandingof these simple instructions will help you ob-tain maximum enjoyment from your newYamaha. If you have any question about theoperation or maintenance of your outboardmotor, please consult a Yamaha dealer.In this Owner’s Manual particularly importantinformation is distinguished in the followingways.

: This is the safety alert symbol. It isused to alert you to potential personal injuryhazards. Obey all safety messages that fol-low this symbol to avoid possible injury ordeath.

WARNINGEWM00782

A WARNING indicates a hazardous situa-tion which, if not avoided, could result indeath or serious injury.

NOTICEECM00702

A NOTICE indicates special precautionsthat must be taken to avoid damage to theoutboard motor or other property.

TIP:A TIP provides key information to make pro-cedures easier or clearer.

Yamaha continually seeks advancements inproduct design and quality. Therefore, whilethis manual contains the most current prod-uct information available at the time of print-ing, there may be minor discrepanciesbetween your machine and this manual. If

there is any question concerning this manu-al, please consult your Yamaha dealer.To ensure long product life, Yamaha recom-mends that you use the product and performthe specified periodic inspections and main-tenance by correctly following the instruc-tions in the owner’s manual. Any damageresulting from neglect of these instructions isnot covered by warranty.Some countries have laws or regulations re-stricting users from taking the product out ofthe country where it was purchased, and itmay be impossible to register the product inthe destination country. Additionally, the war-ranty may not apply in certain regions. Whenplanning to take the product to another coun-try, consult the dealer where the product waspurchased for further information.If you purchased this outboard motor used,see your Yamaha dealer to have it registeredin your name in Yamaha records.

TIP:The F225CA, LF225CA, F250CA, LF250CA,F300CA, LF300CA and the standard acces-sories are used as a base for the explana-tions and illustrations in this manual.Therefore some items may not apply to ev-ery model.EMU44152

F225, LF225, F250, LF250, F300, LF300OWNER’S MANUAL

©2019 by Yamaha Motor Co., Ltd.1st Edition, November 2018

All rights reserved.Any reprinting or unauthorized usewithout the written permission of

Yamaha Motor Co., Ltd.is expressly prohibited.

Printed in Japan



Table of contentsSafety information............................. 1

Outboard motor safety ..................... 1Propeller .............................................. 1Rotating parts ...................................... 1Hot parts.............................................. 1Electric shock ...................................... 1Power trim and tilt................................ 1Engine shut-off cord (lanyard) ............. 1Gasoline .............................................. 1Gasoline exposure and spills .............. 2Carbon monoxide ................................ 2Modifications ....................................... 2

Boating safety .................................. 2Alcohol and drugs................................ 2Personal flotation devices (PFDs) ....... 2People in the water.............................. 2Passengers ......................................... 2Overloading ......................................... 2Avoid collisions.................................... 3Collisions with floating or submerged

objects.............................................. 3Weather............................................... 3Accident reporting ............................... 4Boat education and training................. 4Passenger training .............................. 4Boating safety publications.................. 4Laws and regulations .......................... 4

Boating organizations.......................4Basic boating rules (Rules of the

road)..............................................5Steering and sailing rules and sound

signals.............................................. 5Rules when encountering vessels....... 6Other special situations ....................... 7

General information ........................ 10Identification numbers record......... 10

Outboard motor serial number .......... 10Digital electronic control serial

number........................................... 10Key number ....................................... 11

EC Declaration of Conformity (DoC)........................................... 11

CE Marking ....................................11

Compliance mark label .................. 12Read manuals and labels .............. 13

Warning labels .................................. 13Engine data recording.................... 15

Specifications and requirements ................................... 16

Specifications................................. 16Installation requirements................ 17

Boat horsepower rating ..................... 17Mounting outboard motor .................. 17

Digital electronic control requirements............................... 17

Battery requirements...................... 18Battery specifications ........................ 18

Propeller selection ......................... 19Counter rotation models .................... 20

Start-in-gear protection .................. 20Engine oil requirements ................. 20Fuel requirements .......................... 21

Gasoline ............................................ 21Gasoline Additives............................. 22

Anti-fouling paint ............................ 23Outboard motor disposal

requirements............................... 23Emergency equipment ................... 23Emission control information ......... 24

Star labels ......................................... 24

Components .................................... 26Components diagram..................... 26

Optional items ................................... 28Yamaha Security System (Y-COP) ... 29Digital Electronic Control box ............ 30Digital electronic control-active

indicator ......................................... 30Digital electronic control-alert

indicator ......................................... 30Control lever ...................................... 31Free throttle switch ............................ 31Throttle friction adjuster ..................... 32Engine shut-off cord (lanyard) and

clip.................................................. 33



Table of contentsMain switch........................................ 33Start/Stop switch panel...................... 34All Start/Stop switch panel................. 34Power trim and tilt switch on digital

electronic control............................ 34Power trim and tilt switch on bottom

cowling ........................................... 35Power trim and tilt switches

(twin type) ...................................... 35Tilt support lever for power trim and

tilt model......................................... 36Cowling lock lever ............................. 36Flushing device ................................. 36Fuel filter............................................ 37

Instruments and indicators ............ 38CL7 Display....................................386Y9 Multifunction Color Gauge ...... 40

Yamaha Security System indicator (optional) ........................................ 41

Engine warm-up indicator.................. 41Engine synchronization indicator....... 41Overheat alert.................................... 41Low oil pressure-alert ........................ 42Water separator alert......................... 42Low battery voltage-alert ................... 43Engine trouble alert ........................... 43

6YC Multifunction meter................. 436Y8 Multifunction meters................ 47

Engine control system.................... 51Alert system ................................... 51

Digital Electronic Control alert ........... 51Overheat alert.................................... 51Low oil pressure alert ........................ 53Water separator alert......................... 54

Installation .......................................55Installation ...................................... 55

Mounting the outboard motor ............ 55

Operation ......................................... 57First-time operation ........................ 57

Filling engine oil................................. 57Breaking in engine............................. 57Getting to know your boat ................. 57

Checks before starting engine ....... 58Fuel level ........................................... 58Removing top cowling ....................... 58Fuel system ....................................... 58Controls ............................................. 59Engine shut-off cord (lanyard) ........... 59Engine oil........................................... 59Outboard motor ................................. 60Flushing device ................................. 60Installing top cowling ......................... 60Checking power trim and tilt

system............................................ 62Battery ............................................... 62

Filling fuel ...................................... 63Operating engine ........................... 63

Sending fuel ...................................... 63Starting engine .................................. 64

Checks after starting engine .......... 65Cooling water .................................... 65

Warming up engine........................ 66Electric start models .......................... 66

Checks after engine warm up ........ 66Shifting .............................................. 66Stop switches .................................... 66

Shifting ........................................... 66Stopping boat................................. 67Trolling ........................................... 67

Adjusting trolling speed ..................... 67Stopping engine............................. 68

Procedure for stopping engine .......... 68Trimming outboard motor............... 69

Adjusting trim angle (Power trim and tilt) ........................................... 69

Adjusting boat trim............................. 70Tilting up and down........................ 71

Procedure for tilting up (power trim and tilt models)............................... 71

Procedure for tilting down (power trim and tilt models)........................ 72

Shallow water ................................ 73Cruising in shallow water................... 73



Table of contentsOperating in other conditions ......... 74

Maintenance..................................... 75Transporting and storing outboard

motor ........................................... 75Storing outboard motor...................... 75Conditioning and stabilizing

gasoline.......................................... 75Procedure.......................................... 76Lubrication......................................... 76Cleaning and anticorrosion

measures ....................................... 76Flushing cooling water passage ........ 76Checking painted surface of

outboard motor............................... 77Periodic maintenance.....................77

Replacement parts ............................ 78Maintenance interval guidelines ........ 78Maintenance chart 1.......................... 79Maintenance chart 2.......................... 81Greasing............................................ 82Inspecting spark plug ........................ 82Inspecting engine idle speed............. 84Changing engine oil........................... 85Replacing the engine oil filter ............ 90Why Yamalube .................................. 91Inspecting wiring and connectors ...... 92Inspecting propeller ........................... 92Removing propeller ........................... 93Installing propeller ............................. 93Changing gear oil .............................. 94Inspecting and replacing anode(s) .... 96Checking battery (for electric start

models) .......................................... 97Connecting the battery ...................... 97Disconnecting the battery.................. 98Storing the battery ............................. 99

Trouble Recovery..........................100Troubleshooting ........................... 100Temporary action in emergency...103

Impact damage................................ 103Running single engine (twin

engines) ....................................... 103

Replacing fuse................................. 103Power trim and tilt unit will not

operate......................................... 104Water separator-alert indicator

blinks while cruising ..................... 105Treatment of submerged motor ... 106

Consumer information (For North America) .............................. 107

YAMAHA FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY ............................. 107

IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE U.S.A. OR CANADA......... 109

INDEX............................................. 110



1

Safety informationEMU33623

Outboard motor safetyObserve these precautions at all times.EMU36502

PropellerPeople can be injured or killed if they comein contact with the propeller. The propellercan keep moving even when the motor is inneutral, and sharp edges of the propeller cancut even when stationary. Stop the engine when a person is in the

water near you. Keep people out of reach of the propeller,

even when the engine is off.EMU40272

Rotating partsHands, feet, hair, jewelry, clothing, personalflotation device (PFD) straps, etc., can be-come entangled with internal rotating parts ofthe engine, resulting in serious injury ordeath.Keep the top cowling in place whenever pos-sible. Do not remove or replace the top cowl-ing with the engine running.Only operate the engine with the top cowlingremoved according to the specific instruc-tions in the manual. Keep hands, feet, hair,jewelry, clothing, PFD straps, etc., awayfrom any exposed moving parts.EMU33641

Hot partsDuring and after operation, engine parts arehot enough to cause burns. Avoid touchingany parts under the top cowling until the en-gine has cooled.EMU33651

Electric shockDo not touch any electrical parts while start-ing or operating the engine. They can causeshock or electrocution.

EMU33662

Power trim and tiltBody parts can be crushed between the mo-tor and the clamp bracket when the motor istrimmed or tilted. Keep body parts out of thisarea at all times. Be sure no one is in thisarea before operating the power trim and tiltmechanism.The power trim and tilt switches operateeven when the main switch is off. Keep peo-ple away from the switches whenever work-ing around the motor.Never get under the lower unit while it is tilt-ed, even when the tilt support lever is locked.Severe injury could occur if the outboard mo-tor accidentally falls.EMU41252

Engine shut-off cord (lanyard)Attach the engine shut-off cord so that theengine stops if the operator falls overboardor leaves the helm. This prevents the boatfrom running away under power and leavingpeople stranded, or running over people orobjects.Always attach the engine shut-off cord to asecure place on your clothing or your arm orleg while operating. Do not remove it to leavethe helm while the boat is moving. Do not at-tach the engine shut-off cord to clothing thatcould tear loose, or route the engine shut-offcord where it could become entangled, pre-venting it from functioning.Do not route the engine shut-off cord whereit is likely to be accidentally pulled out. If theengine shut-off cord is pulled during opera-tion, the engine will shut off and you will losemost steering control. The boat could slowrapidly, throwing people and objects forward.EMU33811

GasolineGasoline and its vapors are highly flam-mable and explosive. Always, refuel ac-



Safety information

2

cording to the procedure on page 63 toreduce the risk of fire and explosion.EMU33821

Gasoline exposure and spillsTake care not to spill gasoline. If gasolinespills, wipe it up immediately with dry rags.Dispose of rags properly.If any gasoline spills onto your skin, immedi-ately wash with soap and water. Changeclothing if gasoline spills on it.If you swallow gasoline, inhale a lot of gaso-line vapor, or get gasoline in your eyes, getimmediate medical attention. Never siphonfuel by mouth.EMU33901

Carbon monoxideThis product emits exhaust gases which con-tain carbon monoxide, a colorless, odorlessgas which may cause brain damage or deathwhen inhaled. Symptoms include nausea,dizziness, and drowsiness. Keep cockpit andcabin areas well ventilated. Avoid blockingexhaust outlets.EMU33781

ModificationsDo not attempt to modify this outboard mo-tor. Modifications to your outboard motormay reduce safety and reliability, and renderthe outboard unsafe or illegal to use.EMU33742

Boating safetyThis section includes a few of the many im-portant safety precautions that you shouldfollow when boating.EMU33711

Alcohol and drugsNever operate after drinking alcohol or takingdrugs. Intoxication is one of the most com-mon factors contributing to boating fatalities.EMU40281

Personal flotation devices (PFDs)Have an approved PFD on board for every

occupant. Yamaha recommends that youmust wear a PFD whenever boating. At aminimum, children and non-swimmersshould always wear PFDs, and everyoneshould wear PFDs when there are potentiallyhazardous boating conditions.EMU33732

People in the waterAlways watch carefully for people in the wa-ter, such as swimmers, skiers, or divers,whenever the engine is running. Whensomeone is in the water near the boat, shiftinto neutral and stop the engine.Stay away from swimming areas. Swimmerscan be hard to see.The propeller can keep moving even whenthe motor is in neutral. Stop the engine whena person is in the water near you.EMU33752

PassengersConsult your boat manufacturer’s instruc-tions for details about appropriate passengerlocations in your boat and be sure all pas-sengers are positioned properly before ac-celerating and when operating above an idlespeed. Standing or sitting in non-designatedlocations may result in being thrown eitheroverboard or within the boat due to waves,wakes, or sudden changes in speed or direc-tion. Even when people are positioned prop-erly, alert your passengers if you must makeany unusual maneuver. Always avoid jump-ing waves or wakes.EMU33763

OverloadingDo not overload the boat. Consult the boatcapacity plate or boat manufacturer for max-imum weight and number of passengers. Besure that weight is properly distributed ac-cording to the boat manufacturer’s instruc-tions. Overloading or incorrect weightdistribution can compromise the boat’s han-



Safety information

3

dling and lead to an accident, capsizing orswamping.EMU33773

Avoid collisionsScan constantly for people, objects, and oth-er boats. Be alert for conditions that limit yourvisibility or block your vision of others.

Operate defensively at safe speeds andkeep a safe distance away from people, ob-jects, and other boats. Do not follow directly behind other boats or

waterskiers. Avoid sharp turns or other maneuvers that

make it hard for others to avoid you or un-derstand where you are going.

Avoid areas with submerged objects orshallow water.

Ride within your limits and avoid aggres-sive maneuvers to reduce the risk of lossof control, ejection, and collision.

Take early action to avoid collisions. Re-member, boats do not have brakes, andstopping the engine or reducing throttlecan reduce the ability to steer. If you arenot sure that you can stop in time beforehitting an obstacle, apply throttle and turnin another direction.

EMU48100

Collisions with floating or submerged objectsIf the outboard motor hits a floating object or

an obstacle in the water while cruising, thefollowing could occur: The passengers and any loose equipment

or luggage could be thrown forward due tothe sudden deceleration.

Parts of the outboard motor could comeloose as a result of the impact and couldbe thrown into the boat.

The boat or outboard motor could be dam-aged as a result of the impact.

When you operate the boat in an area wherethere might be floating objects or obstaclesin the water, be sure to adjust the trim angleof the outboard motor, slow down, and oper-ate carefully. For further information, seepage 73.If the outboard motor hits a floating object oran obstacle in the water, make sure thatthere are no abnormalities with the boat andthe outboard motor. If anything abnormal isfound, return to the nearest harbor at lowspeed and have a Yamaha dealer inspectthe outboard motor.

EMU33791

WeatherStay informed about the weather. Check

ZMU06025



Safety information

4

weather forecasts before boating. Avoidboating in hazardous weather.EMU44161

Accident reportingBoat operators are required by law to file aBoating Accident Report with their boatinglaw enforcement agency if their boat is in-volved in any of the following accidents:1. There is loss of life or probable loss of

life.2. There is personal injury that requires

medical attention beyond first aid.3. There is property damage to boats or

other property over a certain amount.4. There is complete loss of a boat.Contact local law enforcement personnel if areport is necessary.EMU44172

Boat education and trainingFor U.S.A.Operators should take a boating safetycourse. This may be required in your state.Many of the organizations listed in the nextsection can provide information about cours-es in your area.You may also want to consider an Internet-based program for basic boater education.The Online Boating Safety Course providedby the BoatU.S. Foundation, is approved bythe National Association of State BoatingLaw Administrators (NASBLA) and recog-nized by the United States Coast Guard.Most, but not all, states accept this course tomeet their minimum requirements. While itcannot replace an in-depth course such asone offered by the U.S. Coast Guard, U.S.Power Squadron, or other organization, thisonline course does provide a general over-view of the basics in boating safety, require-ments, navigation, and operation. Uponsuccessful completion of the course, theuser can download a certificate of comple-

tion immediately or, for a small charge, re-quest one by mail. To take this free course,go to boatus.org.For CanadaAll operators of pleasure craft must illustratecompetency by means of a Pleasure CraftOperators Card with the exception of Per-sonal Water Craft used for rental purposeswhich require a rental checklist be complet-ed. Pleasure Craft Operators Cards can beobtained following the completion of a com-petency course, with an online option. De-tails can be found on Transport Canada’swebsite. www.tc.gc.caEMU33881

Passenger trainingMake sure at least one other passenger istrained to operate the boat in the event of anemergency.EMU33891

Boating safety publicationsBe informed about boating safety. Additionalpublications and information can be obtainedfrom many boating organizations.EMU33592

Laws and regulationsKnow the marine laws and regulations whereyou will be boating—and obey them. Severalsets of rules prevail according to geographiclocation, but all are basically the same as theInternational Rules of the Road. The rulespresented in the following section are con-densed—and have been provided for yourconvenience only.Contact the U.S. Coast Guard, the NationalAssociation of State Boating Law Adminis-trators, or your local Power Squadron for acomplete set of rules governing the waters inwhich you will be using your boat.EMU44741

Boating organizationsThe following organizations provide boating



Safety information

5

safety training and information about boatingsafety and laws.

In the U.S.A.United States Coast GuardConsumer Affairs Staff (G-BC)Office of Boating, Public, and Consumer Af-fairsU.S. Coast Guard HeadquartersWashington, D.C. 20593-0001http://www.uscgboating.org/

United States Power Squadrons1-888-FOR-USPS (1-888-367-8777)http://www.usps.org/

Boat Owners Association of The UnitedStates1-800-336-BOAT (1-800-336-2628)http://www.boatus.com/

National Association of State BoatingLaw Administrators (NASBLA)1500 Leestown Road, Suite 330Lexington, KY 40511 859-225-9497http://www.nasbla.org/

National Marine Manufacturers Associa-tion (NMMA)200 East Randolph DriveSuite 5100Chicago, IL 60601http://www.nmma.org/

Marine Retailers Association of America155 N. Michigan Ave.Chicago, IL 60304http://www.mraa.com/

In CanadaNational Marine Manufacturers Associa-tion Canada14 McEwan DriveSuite 8Bolton, ONL7E 1H1http://www.nmma.org/

In AustraliaBoating Industry Association of Australiahttp://www.biaa.com.au/

In New ZealandNZ Marine Industry Associationhttp://www.nzmarine.com/

EMU33692

Basic boating rules (Rules of the road)

Just as there are rules that apply when youare driving on streets and highways, thereare waterway rules that apply when you aredriving your boat. These rules are used inter-nationally. (For U.S.A.: and are also en-forced by the United States Coast Guard andlocal agencies.) You should be aware ofthese rules, and follow them whenever youencounter another vessel on the water.EMU33702

Steering and sailing rules and sound signalsWhenever two vessels on the water meetone another, one vessel has the right-of-way; it is called the “stand-on” vessel. Thevessel that does not have the right-of-way iscalled the “give-way” or “burdened” vessel.These rules determine which vessel has theright-of-way, and what each vessel shoulddo.



Safety information

6

Stand-on vesselThe vessel with the right-of-way has the dutyto continue its course and speed, except toavoid an immediate collision. When youmaintain your direction and speed, the othervessel will be able to determine how best toavoid you.

Give-way vesselThe vessel that does not have the right-of-way has the duty to take positive and timelyaction to stay out of the way of the Stand-Onvessel. Normally, you should not cross infront of the vessel with the right-of-way. Youshould slow down or change directions brief-ly and pass behind the other vessel. Youshould always move in such a way that theoperator of the other vessel can see whatyou are doing.“The general prudential rule”This rule is called Rule 2 in the InternationalRules and says,“In obeying and construing these rules dueregard shall be had to all dangers of naviga-tion and collision, and to any special circum-stances, which may render a departure fromthe above rules necessary in order to avoidimmediate danger.”In other words, follow the standard rules ex-cept when a collision will occur unless bothvessels try to avoid each other. If that is thecase, both vessels become “Give-Way” ves-sels.EMU25524

Rules when encountering vesselsThere are three main situations that you mayencounter with other vessels which couldlead to a collision unless the Steering Rulesare followed:Meeting: (you are approaching another ves-sel head-on)Crossing: (you are traveling across the oth-

er vessel’s path)Overtaking: (you are passing or beingpassed by another vessel)In the following illustration, your boat is in thecenter. You should give the right-of-way toany vessels shown in white area (you are theGive-Way vessel). Any vessels in the shad-ed area must yield to you (they are the Give-Way vessels). Both you and the meetingvessel must alter course to avoid each other.

MeetingIf you are meeting another power vesselhead-on, and are close enough to run therisk of collision, neither of you has the right-of-way. Both of you should alter course toavoid an accident. You should keep the othervessel on your port (left) side. This ruledoesn’t apply if both of you will clear one an-other if you continue on your set course andspeed.



Safety information

7

CrossingWhen two power driven vessels are crossingeach other’s path close enough to run therisk of collision, the vessel which has the oth-er on the starboard (right) side must keep outof the way of the other. If the other vessel ison your right, you must keep out of its way;you are the Give-Way vessel. If the othervessel is on your port (left) side, rememberthat you should maintain course and direc-tion, provided the other vessel gives you theright-of-way as it should.

OvertakingIf you are passing another vessel, you arethe “Give-Way” vessel. This means that theother vessel is expected to maintain itscourse and speed. You must stay out of itsway until you are clear of it. Likewise, if an-other vessel is passing you, you shouldmaintain your speed and direction so that theother vessel can steer itself around you.EMU25532

Other special situationsThere are three other rules you should beaware of when driving your boat around oth-er vessels.Narrow channels and bendsWhen navigating in narrow channels, youshould keep to the right when it is safe andpractical to do so. If the operator of a power-driven vessel is preparing to go around a

bend that may obstruct the view of other wa-ter vessels, the operator should sound a pro-longed blast on the whistle (4 to 6 seconds).If another vessel is around the bend, it tooshould sound the whistle. Even if no reply isheard, however, the vessel should still pro-ceed around the bend with caution. If younavigate such waters with your boat, you willneed to carry a portable air horn, availablefrom local marine supply stores.Fishing vessel right-of-wayAll vessels that are fishing with nets, lines ortrawls are considered to be “fishing vessels”under the International Rules. Vessels withtrolling lines are not considered fishing ves-sels. Fishing vessels have the right-of-wayregardless of position. Fishing vessels can-not, however, impede the passage of othervessels in narrow channels.Sailing vessel right-of-waySailing vessels should normally be given theright-of-way. The exceptions to this are:1. When the sailing vessel is overtaking the

power-driven vessel, the power-drivenvessel has the right-of-way.

2. Sailing vessels should keep clear of anyfishing vessel.

3. In a narrow channel, a sailing vesselshould not hamper the safe passage ofa power-driven vessel that can navigateonly in such a channel.

Reading buoys and other markersThe waters of the United States are markedfor safe navigation by the lateral system ofbuoyage. Simply put, buoys and markershave an arrangement of shapes, colors,numbers and lights to show which side of thebuoy a boater should pass on when navigat-ing in a particular direction. The markings onthese buoys are oriented from the perspec-tive of being entered from seaward (the boat-



Safety information

8

er is going towards the port). This means thatred buoys are passed on the starboard(right) side when proceeding from open wa-ter into port, and black buoys are to port (left)side. When navigating out of port, your posi-tion with respect to the buoys should be re-versed; red buoys should be to port andblack buoys to starboard.Many bodies of water used by boaters areentirely within the boundaries of a particularstate. The Uniform State Waterway MarkingSystem has been devised for these waters.This system uses buoys and signs with dis-tinctive shapes and colors to show regulatoryor advisory information. These markers arewhite with black letters and orange boarders.They signify speed zones, restricted areas,danger areas, and general information.Remember, markings may vary by geo-graphic location. Always consult local boat-ing authorities before driving your boat inunfamiliar waters.



Safety information

9

ZMU01708



10

General informationEMU25172

Identification numbers recordEMU25186

Outboard motor serial numberThe outboard motor serial number isstamped on the label attached to the portside of the clamp bracket.Record your outboard motor serial number inthe spaces provided to assist you in orderingspare parts from your Yamaha dealer or forreference in case your outboard motor is sto-len.

EMU34944

Digital electronic control serial numberThe digital electronic control serial number isstamped on the label attached to the digitalelectronic control box.Record your digital electronic control serialnumber in the spaces provided to assist youin newly connecting the digital electroniccontrol to the outboard motor.

TIP:Consult your Yamaha dealer if you have anyquestions concerning the digital electroniccontrol serial number.

1. Outboard motor serial number location

1. Serial number2. Model name3. Motor transom height4. Approved model code

1 ZMU07134

34 12

ZMU016921. Digital electronic control serial number loca-tion

ZMU05885

1

ZMU05887

1



General information

11

EMU41572

Key numberThe key identification number is stamped onthe spare key as shown in the illustration.Keep the spare key in a safe place and re-cord this number in the space provided forreference in case that you need a new key.

EMU38982

EC Declaration of Conformity (DoC)

This declaration is included with outboardmotors that conform to European regula-

tions.This outboard motor conforms to certain por-tions of the European Parliament directiverelating to machinery.Each conformed outboard motor accompa-nied with EC DoC.EC DoC contains the fol-lowing information; Name of engine manufacturer Model name Product code of model (Approved model

code) Code of conformed directivesEMU38995

CE MarkingThis label is affixed to outboard motors thatconform to European regulations.Outboard motors affixed with this “CE” mark-ing conform with the directives of;2006/42/EC, 94/25/EC - 2003/44/EC,2014/30/EU, and 2004/108/EC, 2013/53/EU.

1. Serial number2. Type3. Approved model code

1. Key number

23 1

ZMU05917

1

ZMU07133

1. CE marking location

1

ZMU08044



General information

12

EMU46133

Compliance mark labelEngines affixed with this label conform to theregulations for each country.This label is affixed to the clamp bracket orswivel bracket.

Regulatory Compliance Mark (RCM)Engines affixed with this mark conform tocertain portion(s) of the Australian RadioCommunications Act.

ICES-002 Compliance LabelEngines affixed with this mark meet all re-quirements of the Canadian InterferenceCausing Equipment Regulations.

1. Compliance mark label location

ZMU06040

1

ZMU08212

1. Regulatory Compliance Mark (RCM)

1. ICES-002 Compliance Label

ZMU081901

ZMU08191

1



General information

13

EMU33524

Read manuals and labelsBefore operating or working on this outboard motor: Read this manual. Read any manuals supplied with the boat. Read all labels on the outboard motor and the boat.If you need any additional information, contact your Yamaha dealer.EMU33836

Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements.

1

23

ZMU07261



General information

14

EMU34652

Contents of labelsThe above warning labels mean as follows.1

WARNINGEWM01682

Keep hands, hair, and clothing awayfrom rotating parts while the engine isrunning.

Do not touch or remove electrical partswhen starting or during operation.

2

WARNINGEWM01672

Read Owner’s Manuals and labels. Wear an approved personal flotation

device (PFD). Attach engine shut-off cord (lanyard) to

your PFD, arm, or leg so the enginestops if you accidentally leave the

helm, which could prevent a runawayboat.

EMU33851

Other labels

6EE-G2794-40

6EE-H1994-40

1 2

6EE-G2794-50

6EE-H1994-50

ZMU06191

3

ZMU05710



General information

15

EMU35133

SymbolsThe following symbols mean as follows.

Notice/Warning

Read Owner’s Manual

Hazard caused by continuous rotation

Electrical hazard

EMU48010

Engine data recordingThis model’s ECM stores certain engine datato assist in the diagnosis of malfunctions andfor research, statistical analysis and devel-opment purposes.Although the sensors and recorded data willvary by model, the main data points are: Engine status and engine performance

dataThis data will be uploaded only when a spe-cial Yamaha diagnostic tool is attached tothe engine, such as when maintenancechecks or service procedures are performed.Yamaha will not disclose this data to a thirdparty except in the following cases. In addi-tion, Yamaha may provide engine data to acontractor in order to outsource services re-lated to the handling of the engine data.Even in this case, Yamaha will require thecontractor to properly handle the engine datawe provided and Yamaha will appropriatelymanage the data. With the consent of the boat owner Where obligated by law For use by Yamaha in litigation For general Yamaha-conducted research

purposes when the data is not related toan individual engine or owner

ZMU05696

ZMU05664

ZMU05665

ZMU05666



16

Specifications and requirementsEMU40501

SpecificationsTIP:“(SUS)” indicates that the specification is forthe outboard motor when it is equipped witha stainless steel propeller.EMU2821Z

Dimension and weight:Overall length:

958 mm (37.7 in)Overall width:

634 mm (25.0 in)Overall height X:

1890 mm (74.4 in)Overall height U:

2017 mm (79.4 in) (F250CA, F300CA, LF250CA, LF300CA)

Motor transom height X:643 mm (25.3 in)

Motor transom height U:770 mm (30.3 in) (F250CA, F300CA, LF250CA, LF300CA)

Dry weight (SUS) X:260 kg (573 lb)

Dry weight (SUS) U:268 kg (591 lb) (F250CA, F300CA, LF250CA, LF300CA)

Performance:Full throttle operating range:

5000–6000 r/minRated power:

165.5 kW (225 HP) (F225CA, LF225CA)183.8 kW (250 HP) (F250CA, LF250CA)220.6 kW (300 HP) (F300CA, LF300CA)

Idle speed (in neutral):650–750 r/min

Power unit:Type:

4-stroke DOHC V6 24 valvesTotal displacement:

4169 cm3 (254.4 c.i.)Bore stroke:

96.0 96.0 mm (3.78 3.78 in)Ignition system:

TCISpark plug (NGK):

LFR6A-11Spark plug gap:

1.0–1.1 mm (0.039–0.043 in)Steering system:

Remote steeringStarting system:

Electric starterStarting carburetion system:

Fuel injectionValve clearance IN (cold engine):

0.17–0.24 mm (0.0067–0.0094 in)Valve clearance EX (cold engine):

0.31–0.38 mm (0.0122–0.0150 in)Battery rating (CCA/SAE):

680–1150 ABattery rating (MCA/ABYC):

770–1370 ABattery rating (RC/SAE):

160 minutesBattery rating (CCA/EN):

640–1080 ABattery rating (20HR/IEC):

80 AhMaximum generator output:

70 ALower unit:

Gear shift positions:Forward-neutral-reverse

Gear ratio:1.75 (21/12)



Specifications and requirements

17

Trim and tilt system:Power trim and tilt

Propeller mark:M/T (F225CA, F250CA, F300CA)ML/TL (LF225CA, LF250CA, LF300CA)

Fuel and oil:Recommended fuel:

Mid-grade unleaded gasoline (For North America), Premium unleaded gasoline (F300CA, LF300CA)Regular unleaded gasoline (F225CA, F250CA, LF225CA, LF250CA)

Min. pump octane number (PON):86 (F225CA, F250CA, LF225CA, LF250CA)89 (F300CA, LF300CA)

Min. research octane number (RON):90 (F225CA, F250CA, LF225CA, LF250CA)94 (F300CA, LF300CA)

Recommended engine oil:YAMALUBE 4M FC-W or 4-stroke outboard motor oil

Recommended engine oil grade 1:SAE 10W-30/10W-40/5W-30 API SE/SF/SG/SH/SJ/SL

Engine oil quantity (without oil filter re-placement):

6.0 L (6.34 US qt, 5.28 Imp.qt)Engine oil quantity (with oil filter replace-ment):

6.3 L (6.66 US qt, 5.54 Imp.qt)Lubrication system:

Wet sumpRecommended gear oil:

Yamalube Marine Gearcase Lube HD or Hypoid gear oil

Recommended gear oil grade:SAE 80W API GL-5 / SAE 90 API GL-5

Gear oil quantity:1.040 L (1.099 US qt, 0.915 Imp.qt)

EMU33556

Installation requirementsEMU33566

Boat horsepower rating

WARNINGEWM01561

Overpowering a boat can cause severeinstability.

Before installing the outboard motor(s), con-firm that the total horsepower of your out-board motor(s) does not exceed the boat’smaximum horsepower rating. See the boat’scapacity plate or contact the manufacturer.EMU40491

Mounting outboard motor

WARNINGEWM02501

Improper mounting of the outboard mo-tor could result in hazardous condi-tions such as poor handling, loss ofcontrol, or fire hazards.

Because the outboard motor is veryheavy, special equipment and trainingis required to mount it safely.

Your dealer or other person experienced inproper rigging should mount the outboardmotor using correct equipment and completerigging instructions. For further information,see page 55.EMU34954

Digital electronic control requirements

The digital electronic control is equipped witha start-in-gear protection device(s). This de-vice prevents the engine from starting unless




18

it is in neutral.

WARNINGEWM01581

If the engine starts in gear, the boat canmove suddenly and unexpectedly, pos-sibly causing a collision or throwingpassengers overboard.

If the engine ever starts in gear, thestart-in-gear protection device is notworking correctly and you should dis-continue using the outboard. Contactyour Yamaha dealer.

This digital electronic control unit is onlyavailable for the outboard motor which youhave purchased.Prior to use of the digital electronic controlunit, set it in order to operate your outboardmotor only. Otherwise, it will not be possibleto operate the outboard motor.Perform setting of the outboard motor andthe digital electronic control unit in the follow-ing cases. If a used outboard motor is installed If the digital electronic control unit is re-

placed If the ECM (Electronic control module) of

the used outboard motor is replaced If the ECM (Electronic control module) of

the digital electronic control unit is re-placed

Consult your Yamaha dealer for setting.EMU25695

Battery requirementsEMU44724

Battery specificationsStandard lead-acid, AGM, gel-cell, andmaintenance-free batteries are permitted.Use a fully charged battery that meets thefollowing specifications. The battery is an im-portant component necessary to obtain sureengine starting and to maintain engine per-

formance.The engine may not start if the battery volt-age is too low.For North AmericaIt is necessary to meet only two of the threespecifications (CCA, MCA, and RC) in one ofthe following combinations: CCA/SAE and RC MCA/ABYC and RC

For OceaniaIt is necessary to meet the following specifi-cations.

NOTICEECM01064

Do not use a battery that does not meetthe specified capacity. If a battery thatdoes not meet specifications is used,the electric system could perform poor-ly or be overloaded, causing electricsystem damage.

Do not use a battery which exceeds themaximum CCA rating. If the batteriesare used in parallel circuit, use new bat-teries of the same type and make surethat the total battery rating never ex-ceeds the maximum CCA rating.

EMU36293

Mounting batteryMount the battery holder securely in a dry,

Battery rating (CCA/SAE):680–1150 A

Battery rating (MCA/ABYC):770–1370 A

Battery rating (RC/SAE):160 minutes

Battery rating (CCA/EN):640–1080 A

Battery rating (20HR/IEC):80 Ah




19

well-ventilated, vibration-free location in theboat. WARNING! Do not put flammableitems, or loose heavy or metal objects inthe same compartment as the battery.Fire, explosion or sparks could result.[EWM01821]

Battery cableThe battery cable size and length are critical.Consult your Yamaha dealer about the bat-tery cable size and length.EMU36303

Multiple batteriesTo connect multiple batteries, such as formultiple engine configurations or for an ac-cessory battery, consult your Yamaha dealerabout battery selection and correct wiring.Battery isolatorYour outboard motor is capable of chargingan accessory battery separate from the start-ing battery using an optional isolator lead.Contact your Yamaha dealer for installationof an optional isolator lead with over-currentprotection.EMU41604

Propeller selectionNext to selecting an outboard motor, select-ing the right propeller is one of the most im-portant purchasing decisions a boater canmake. The type, size, and design of your pro-peller have a direct impact on acceleration,top speed, fuel economy, and even enginelife. Yamaha designs and manufactures pro-pellers for every Yamaha outboard motorand every application.Your Yamaha dealer can help you select theright propeller for your boating needs. Selecta propeller that will allow the engine to reachthe middle or upper half of the operatingrange at full throttle with the maximum boat-load. Generally, select a larger pitch propel-ler for a smaller operating load and a smaller

pitch propeller for a heavier load. If you carryloads that vary widely, select the propellerthat lets the engine run in the proper rangefor your maximum load but remember thatyou may need to reduce your throttle settingto stay within the recommended enginespeed range when carrying lighter loads.Yamaha recommends to use a propeller suit-able for the “Shift Dampener System (SDS)”.For further information, consult your Yamahadealer.To check the propeller, see page 92.Propeller example

1. Propeller pitch in inches2. Type of propeller (propeller mark)3. Propeller diameter in inches

1. Propeller diameter in inches2. Propeller pitch in inches3. Type of propeller (propeller mark)

ZMU05937

-

3

1 2

ZMU04608

-x1 2 3




20

EMU36313

Counter rotation modelsStandard outboard motors rotate clockwise.Counter rotation models rotate counterclock-wise and are typically used in multiple motorsetups.On counter rotation models, be sure to use apropeller intended for counterclockwise rota-tion. These propellers are identified with theletter “L” after the size indication on the pro-peller. WARNING! Never use a standardpropeller with a counter rotation motor,or a counter rotation propeller with astandard motor. Otherwise the boat couldgo in the direction opposite of that ex-pected (for example, reverse instead offorward), which could lead to an accident.[EWM01811]

For instructions on propeller removal and in-stallation, see page 93.EMU35141

Start-in-gear protectionYamaha outboard motors or Yamaha-ap-proved digital electronic control units areequipped with start-in-gear protection de-vice(s). This feature permits the engine to bestarted only when it is in neutral. Always se-lect neutral before starting the engine.EMU41953

Engine oil requirementsSelect an oil grade according to the averagetemperatures in the area where the outboardmotor will be used.

If oil grades listed under Recommended en-gine oil grade 1 are not available, select analternative oil grade listed under Recom-mended engine oil grade 2.Recommended engine oil grade 1

Recommended engine oil grade 2

Recommended engine oil:YAMALUBE 4M FC-W or 4-stroke out-board motor oil

Recommended engine oil grade 1:SAE 10W-30/10W-40/5W-30 API SE/SF/SG/SH/SJ/SL

Recommended engine oil grade 2:SAE 15W-40/20W-40/20W-50 API SH/SJ/SL

Engine oil quantity (without oil filter replacement):

6.0 L (6.34 US qt, 5.28 Imp.qt)Engine oil quantity (with oil filter re-placement):

6.3 L (6.66 US qt, 5.54 Imp.qt)

ZMU06854

122˚F

50˚C

104

40

86

30

68

SAE API

SESFSGSHSJSL

20

50

10

32

0

14

-10

-4

-20

10W–30

10W–40

5W–30

ZMU06855

122˚F

50˚C

104

40

86

30

68

SAE API

SHSJSL

20

50

10

32

0

14

-10

-4

-20

15W–40

20W–40

20W–50




21

EMU36361

Fuel requirementsEMU44791

GasolineUse a good quality gasoline that meets theminimum octane requirement. If knocking orpinging occurs, use a different brand of gas-oline or premium unleaded fuel. Yamaharecommends that you use alcohol-free gaso-line (see Gasoline with Ethanol) wheneverpossible.The use of a poor quality gasoline may resultin starting and running problems. If you en-counter drivability problems, which you sus-pect could be related to the fuel you areusing, Yamaha recommends that you switchto a recognized high quality brand of gaso-line, such as a gasoline that is advertised asTop Tier Detergent Gasoline. (North Americaonly) NOTICE: Failure to comply withthese recommendations may also resultin unscheduled maintenance, fuel systemdamage, and internal engine damage.[ECM04480]

For North America

For Oceania

NOTICEECM01982

Do not use leaded gasoline. Leadedgasoline can seriously damage the en-gine.

Avoid getting water and contaminantsin the fuel tank. Contaminated fuel cancause poor performance or enginedamage. Use only fresh gasoline thathas been stored in clean containers.

Gasoline with EthanolTwo types of gasoline are commonly avail-able in the U.S.A., Canada, Australia andNew Zealand for use in automobiles andboats: conventional gasoline without Ethanoland gasoline with Ethanol, which is typicallyreferred to as E10 gasoline. According tofederal regulations, E10 gasoline may con-tain up to 10% Ethanol.A high quality gasoline without Ethanol is thepreferred fuel for your Yamaha outboard mo-tor. However, if gasoline with Ethanol is theonly fuel available in your area, your Yamahaoutboard motor is calibrated to run properlyon fresh E10 gasoline that meets the mini-mum octane requirement specified for thismodel.

NOTICEECM02402

Never use a gasoline for your outboardmotor that contains more than 10% Etha-

Recommended fuel:Mid-grade unleaded gasoline (F300CA, LF300CA)Regular unleaded gasoline (F225CA, F250CA, LF225CA, LF250CA)

Min. pump octane number (PON):86 (F225CA, F250CA, LF225CA, LF250CA)89 (F300CA, LF300CA)

Recommended fuel:Premium unleaded gasoline (F300CA, LF300CA)Regular unleaded gasoline (F225CA, F250CA, LF225CA, LF250CA)

Min. research octane number (RON):90 (F225CA, F250CA, LF225CA, LF250CA)94 (F300CA, LF300CA)




22

nol, such as E15 which contains 15% Eth-anol or E85 which contains 85% Ethanol,or gasoline containing any amount ofMethanol. These fuels can cause startingand running problems, as well as seriousfuel system and internal engine damage.

Gasoline containing ethanol has severalproperties that may cause boat fuel systemproblems. Ethanol is a strong solvent (cleaning

agent) that can clean gum and varnish de-posits from a boat’s fuel system, particular-ly in older boats, as well as tanks and pipesused in gasoline distribution. These re-leased deposits contaminate the fuel andcan cause problems, such as clogged fuelfilters, carburetors, or fuel injectors, whichcould result in engine damage.

Ethanol may dissolve resins used in theconstruction of fiberglass fuel tanks. Thedissolved resins contaminate the fuel andcan cause problems, such as clogged fuelfilters, carburetors, or fuel injectors, whichcould result in engine damage.

Ethanol is hygroscopic (has a strong at-traction to water). Therefore, any waterthat inadvertently enters the fuel system,including moisture that is absorbed fromthe air, will mix with the ethanol in the gas-oline. If the amount of water is excessive,the ethanol and water mixture will separatefrom the gasoline in a layer at the bottomof the fuel tank. This ethanol and watermixture is very corrosive to aluminum fueltanks and fuel system components.

The usable life span of E10 gasoline maybe shorter than the normal length of off-season boat storage, causing starting andrunning problems related to stale fuel.

For more information on using fuel contain-ing ethanol, visit: http://www.yamaha-mo-

tor.comGasoline FiltrationYamaha outboard motors are equipped withinternal fuel filters. However, excessive wa-ter or debris entering your engine’s fuel sys-tem could prematurely clog the internalfilters, causing starting and running prob-lems, fuel system damage, and internal en-gine damage. Therefore, it is recommendedthat an external 10-micron water-separatingfuel filter be installed on your boat and ser-viced frequently. Consult your authorizedYamaha dealer for a 10-micron filter thatmeets your engine’s requirements.EMU41342

Gasoline AdditivesGasoline blends change to meet automobileemission regulations and economic condi-tions. Additives, added by gasoline distribu-tors, necessary for proper automobile engineoperation and durability, may not be suffi-cient for typical boat applications. Intakevalve and combustion chamber depositsmay accumulate in boat engines more rapid-ly than encountered in automotive use. In ad-dition, gasoline used for boating will typicallyage longer between refills than gasolineused in automobiles, resulting in stale andunusable gasoline that may cause startingand running problems, fuel system damage,and internal engine damage.Yamaha recommends the use of two Yama-lube gasoline additives to reduce internal de-posits and extend the storage life ofgasoline. Continuous use of Yamalube RingFree Fuel Additive Plus reduces harmful in-ternal deposits. Yamalube Fuel Stabilizer &Conditioner Plus added to fresh gasoline willhelp protect the fuel system from varnishingwhile helping to keep the gasoline’s octanelevel from decreasing excessively during




23

storage. Other additives may also be avail-able on the market that may have varying de-grees of effectiveness. Consult your Yamahadealer concerning what may work best forthe locally available gasoline and environ-mental conditions.EMU41354

Anti-fouling paintA clean hull is required to maintain yourboat’s performance. Boats moored in the wa-ter should be protected from marine growth(barnacles, mussels, and marine plants). Ifapproved by regulations for your area, thebottom of the hull can be coated with an anti-fouling paint to inhibit marine growth.Anti-fouling paints specifically formulated foruse on aluminum may be applied to the out-board motor. The original Yamaha paint sur-face may be scuffed lightly before applyinganti-fouling paint, but do not remove the orig-inal paint. Removal of the original paint willincrease the rate of corrosion.

NOTICEECM04821

Anti-fouling paint for fiberglass andwood may contain materials, such ascopper, graphite, and tin, that cancause corrosion if applied to aluminumboats and outboard motor compo-nents. Never apply these types of paintto your outboard motor because rapidcorrosion damage could occur.

Anti-fouling paint can increase drag(friction) between the boat and the wa-ter, and possibly affect performance. Ifthe effects are too great, reducing pro-peller pitch may be necessary.

Sacrificial anodes are attached to the out-board motor to provide corrosion protectionand must never be painted.Sacrificial anodes made from a different ma-terial may be necessary for maximum corro-sion protection due to your local waterconditions. Please consult your Yamahadealer.

NOTICEECM02421

Painted sacrificial anodes will not providecorrosion protection.

EMU40302

Outboard motor disposal requirements

Never illegally discard (dump) the outboardmotor. Yamaha recommends consulting thedealer about discarding the outboard motor.EMU36353

Emergency equipmentKeep the following items onboard in casethere is trouble with the outboard motor. A tool kit with assorted screwdrivers, pli-

ers, wrenches (including metric sizes), andelectrical tape.

Waterproof flashlight with extra batteries. An extra engine shut-off cord (lanyard)

with clip. Spare parts, such as an extra set of spark

plugs.Consult your Yamaha dealer for details.




24

EMU25223

Emission control information EMU25232

This engine conforms to U.S. EnvironmentalProtection Agency (EPA) regulations for ma-rine SI engines. See the label affixed to yourengine for details.EMU31563

Approval label of emission control certif-icateThis label is attached at the location shown.New Technology; (4-stroke) MFI

EMU25275

Star labelsYour outboard motor is labeled with a Cali-fornia Air Resources Board (CARB) star la-bel. See below for a description of yourparticular label.

EMU40331

One Star—Low EmissionThe one-star label identifies engines thatmeet the Air Resources Board’s PersonalWatercraft and Outboard marine engine2001 exhaust emission standards. Enginesmeeting these standards have 75% loweremissions than conventional carbureted two-stroke engines. These engines are equiva-lent to the U.S. EPA’s 2006 standards formarine engines.

EMU40341

Two Stars—Very Low EmissionThe two-star label identifies engines thatmeet the Air Resources Board’s PersonalWatercraft and Outboard marine engine2004 exhaust emission standards. Enginesmeeting these standards have 20% loweremissions than One Star-Low-Emission en-

1. Approval label location

1

ZMU08210

EMISSION CONTROL INFORMATIONTHIS ENGINE CONFORMS TO CALIFORNIA EXHAUSTAND U.S. EPA EXHAUST AND EVAP REGULATIONS FOR SIMARINE ENGINES. REFER TO OWNER’S MANUAL FORMAINTENANCE SPECIFICATIONS AND ADJUSTMENTS.FAMILY : DISPLACEMENT : litersMAX POWER : kW EPA/CA FEL : HC+NOx ,CO g/kW-hEPA CERTIFIED EVAP COMPONENTS :

YAMAHA MOTOR CO.,LTD.

ZMU06894

1. Star label location

1

ZMU07138

ZMU01702




25

gines.

EMU40351

Three Stars—Ultra Low EmissionThe three-star label identifies engines thatmeet the Air Resources Board’s PersonalWatercraft and Outboard marine engine2008 exhaust emission standards or theSterndrive and Inboard marine engine 2003-2008 exhaust emission standards. Enginesmeeting these standards have 65% loweremissions than One Star-Low-Emission en-gines.

EMU33862

Four Stars—Super Ultra Low EmissionThe four-star label identifies engines thatmeet the Air Resources Board’s Sterndriveand Inboard marine engine 2009 exhaustemission standards. Personal Watercraftand Outboard marine engines may alsocomply with these standards. Engines meet-ing these standards have 90% lower emis-sions than One Star-Low-Emission engines.

ZMU01703

ZMU01704

ZMU05663



26

ComponentsEMU46722

Components diagramTIP:* May not be exactly as shown; also may not be included as standard equipment on all mod-els (order from dealer).

1

3

4

5

67

8

8

9

8

10

10

7

2

1. Top cowling2. Idle hole3. Anti-cavitation plate4. Propeller*5. Cooling water inlet6. Clamp bracket7. Tilt support lever8. Cowling lock lever9. Flushing device10. Power trim and tilt switch



Components

27

7

1112

98

13

3

1

2

4

5

6

3

104

5

ZMU07140

1. Ignition coil2. Oil dipstick3. Cowling lock lever4. Power trim and tilt switch5. Flushing device6. Oil level plug7. Gear oil drain screw8. Cooling water inlet9. Anode10. Power trim and tilt unit11. Fuel filter12. Fuse box13. Oil filler cap



Components

28

EMU46731

Optional itemsThe following items are available from your Yamaha dealer. For details, consult your Yamahadealer.

4

5

6 7

1 2 3

ZMU08525

1. Digital electronic control (single type)2. Switch panel (for use with single type)3. Digital electronic control (twin type)4. Switch panel (for use with twin type)5. Start/Stop switch panel (for use with twin type)6. All Start/Stop switch panel (for use with twin type)7. Yamaha Security System (Y-COP)



Components

29

EMU46751

Yamaha Security System (Y-COP)

NOTICEECM02461

The Yamaha Security System is sold inconformity with the relevant laws andregulations regarding radio wave trans-mission. Therefore, if this product is usedoutside the country where it was sold, itmay violate the laws or regulations re-garding radio wave transmission in thecountry it is used in. For details, consultyour Yamaha dealer.

The Yamaha Security System, which pro-tects against theft, consists of the receiverand remote control transmitters. TheYamaha Security System is available fromyour Yamaha dealer. For details, consultyour Yamaha dealer.

SET MODE SET MODE

SET

MENU

CANCEL

ZMU08862

54

1 2 3

1. 6Y8 Multifunction tachometer2. 6Y8 Multifunction speed & fuel meter3. 6YC Multifunction meter4. 6Y9 Multifunction Color Gauge5. CL7 Display*

1. Remote control transmitter2. Receiver

21

ZMU08527



Components

30

The engine cannot be started if the securitysystem is in the lock mode. The engine canbe started only in the unlock mode. For moreinformation, see the installation and owner’smanual included with the security system.

TIP:The security system cannot be used withquad engine applications or Helm Master®.EMU34963

Digital Electronic Control boxThe digital electronic control box actuatesthe shifter, the throttle and remote electricaloperations. Make sure that the active indica-tor lights and that the digital electronic con-trol unit is correctly connected to theoutboard motor.

EMU34974

Digital electronic control-active indicatorThe digital electronic control-active indicatorindicates that the digital electronic controlsystem is in the operating state. Lights: Operation of both shift and throttle

possible. Blinks (when the gear shift is in neutral

only): Shift not operable. Only throttle op-eration available.

Off: Shift and throttle not operable.

EMU34985

Digital electronic control-alert indicatorThe digital electronic control-alert indicatorlights when trouble occurs in the connection

1. Control lever2. Digital electronic control-active indicator3. Digital electronic control-alert indicator4. Free throttle switch5. Throttle friction adjuster

ZMU05850

16

54

2

3

ZMU05851

1

6

5

4

3

2

6. Power trim and tilt switch

1. Digital electronic control-active indicator

ZMU05888

1

ZMU05890

1



Components

31

between the digital electronic control andoutboard motor. Consult your Yamaha deal-er for details.

EMU34993

Control leverMoving the lever forward from the neutral po-sition engages forward gear. Pulling the le-ver back from neutral engages reverse. Theengine will continue to run at idle until the le-ver is moved 22.5 (a detent can be felt).Moving the lever farther opens the throttle,and the engine will begin to accelerate.Digital electronic control for twin type has thefunction of automatically synchronizing theengine speeds of both engines of the portand starboard sides.

EMU35003

Free throttle switchIn neutral, keep this switch pressed, movethe control lever forward, and release theswitch after the digital electronic control-ac-tive indicator starts blinking. While the indica-tor blinks, you can open or close the throttle.This can also be done when the control leveris set in reverse.

1. Digital electronic control-alert indicator

ZMU05889

1

ZMU05891

1

1. Neutral “ ”2. Forward “ ”3. Reverse “ ”4. Shift5. Fully closed6. Throttle7. Fully open

ZMU05878

N1F

7

6

2 R34 4

65

7

5

ZMU05880

F N



Components

32

The free throttle switch can only be usedwhen the control lever is in the neutral po-sition.

During operation the digital electronic con-trol-active indicator changes from continu-ously lit to blinking. When the indicatorstarts blinking, the throttle begins to openafter the control lever is moved at least22.5.

After using the free throttle switch, returnthe control lever to the neutral position.The free throttle switch will return automat-ically to its set position. The digital elec-tronic control-active indicator will changefrom blinking to continuously lit and thedigital electronic control will then engageforward and reverse normally.

EMU35252

Throttle friction adjusterA friction device provides adjustable resis-tance to movement of the control lever, andcan be set according to operator preference.To increase resistance, turn the adjusterclockwise. To decrease resistance, turn theadjuster counterclockwise.

WARNINGEWM01771

If the friction is too small, the control le-ver could move freely and cause an ac-cident.

Do not overtighten the friction adjuster.If there is too much resistance, it couldbe difficult to move the control lever,which could result in an accident.

1. Fully open2. Fully closed3. Free accelerator

1. Fully open2. Fully closed3. Free accelerator

ZMU05881

N

1

23 22.5

ZMU05882

NF

ZMU05883

N

1

23 22.5

ZMU05820



Components

33

When constant speed is desired, tighten theadjuster to maintain the desired throttle set-ting.EMU25996

Engine shut-off cord (lanyard) and clipThe clip must be attached to the engine shut-off switch for the engine to run. The cordshould be attached to a secure place on theoperator’s clothing, or arm or leg. Should theoperator fall overboard or leave the helm, thecord will pull out the clip, stopping ignition tothe engine. This will prevent the boat fromrunning away under power. WARNING! At-tach the engine shut-off cord to a secureplace on your clothing, or your arm or legwhile operating. Do not attach the cord toclothing that could tear loose. Do notroute the cord where it could become en-tangled, preventing it from functioning.Avoid accidentally pulling the cord dur-ing normal operation. Loss of enginepower means the loss of most steeringcontrol. Also, without engine power, theboat could slow rapidly. This could causepeople and objects in the boat to bethrown forward. [EWM00123]

EMU41553

Main switchThe main switch controls the ignition system;its operation is described below. “ ” (off)With the main switch in the “ ” (off) posi-tion, the electrical circuits are off, and the keycan be removed. “ ” (on)With the main switch in the “ ” (on) posi-tion, the electrical circuits are on, and the keycannot be removed. The engine can be start-ed by pressing the Start/Stop button. “ ” (start)With the main switch in the “ ” (start) po-sition, the starter motor turns to start the en-

ZMU05819

1. Engine shut-off cord (lanyard)2. Clip3. Engine shut-off switch

1

2

3

ZMU07143

1

2

3

ZMU07144



Components

34

gine. When the key is released, it returnsautomatically to the “ ” (on) position.

EMU41622

Start/Stop switch panelThe engine can be started or turned off bypressing the Start/Stop button. For twin type,it is possible to start or turn off individual en-gine. The indicator for the corresponding en-gine will come on. PORT:Port side engine STBD:Starboard side engine

EMU41632

All Start/Stop switch panelThe Start/Stop button allows all engines tostart or turn off.

EMU35154

Power trim and tilt switch on digital electronic controlThe power trim and tilt system adjusts theoutboard motor angle in relation to the tran-som. Pressing the switch “ ” (up) trims theoutboard motor up, and then tilts it up. Press-ing the switch “ ” (down) tilts the outboardmotor down and trims it down. When theswitch is released, the outboard motor willstop in its current position. For instructionson using the power trim and tilt switch, see

ONOFF

ZMU07145

START

ONOFF

ZMU07146

1. Indicator2. Start/Stop button

1. All Start/Stop button

1

2 ZMU07174

1ZMU07176



Components

35

pages 69 and 71.

EMU26156

Power trim and tilt switch on bottom cowlingThe power trim and tilt switch is located onthe side of the bottom cowling. Pushing theswitch “ ” (up) trims the outboard motor up,and then tilts it up. Pushing the switch “ ”(down) tilts the outboard motor down andtrims it down. When the switch is released,the outboard motor will stop in its current po-sition.For instructions on using the power trim andtilt switch, see page 71.

WARNINGEWM01032

Use the power trim and tilt switch locatedon the bottom cowling only when the boatis at a complete stop with the engine off.Attempting to use this switch while theboat is moving could increase the risk offalling overboard and could distract theoperator, increasing the risk of collisionwith another boat or an obstacle.

EMU35161

Power trim and tilt switches (twin type)The power trim and tilt system adjusts theoutboard motor angle in relation to the tran-som. Pushing the switch “ ” (up) trims theoutboard motor up, and then tilts it up. Press-ing the switch “ ” (down) tilts the outboardmotor down and trims it down. When theswitch is released, the outboard motor willstop in its current position.

On the twin engine control, the switch onthe control grip controls both outboard mo-tors at the same time.

For instructions on using the power trimand tilt switches, see pages 69 and 71.

ZMU05822

UP

DN



UP

DN

1

ZMU07151

UP

DN

11

1UP

DN

ZMU05835



Components

36

EMU26342

Tilt support lever for power trim and tilt modelTo keep the outboard motor in the tilted upposition, lock the tilt support lever to theclamp bracket.

NOTICEECM00661

Do not use the tilt support lever or knobwhen trailering the boat. The outboardmotor could shake loose from the tilt sup-port and fall. If the motor cannot betrailered in the normal running position,use an additional support device to se-cure it in the tilt position.

EMU40762

Cowling lock leverThe cowling lock levers are used to securethe top cowling.

EMU40803

Flushing deviceThe flushing device is used to clean the cool-ing water passages of the outboard motorusing a garden hose and tap water. For in-structions on using the flushing device, seepage 76.

1. Tilt support lever

1

1. Cowling lock lever

1. Cowling lock lever(s)

1ZMU06909

1 ZMU06910



Components

37

EMU40823

Fuel filterThe fuel filter functions to remove foreignmaterial and separate water from the fuel. Ifwater separated from the fuel exceeds aspecific volume, the alert system will acti-vate. For further information, see page 54.

TIP:Adding an in-line 10-micron fuel filter hasbeen shown to greatly reduce the chance offuel contamination problems. Consult yourdealer for information about Yamaha 10-mi-cron fuel filters if your boat does not haveone.

1. Flushing device

1. Fuel filter

1

1

ZMU07518



38

Instruments and indicatorsEMU47272

CL7 DisplayThe CL7 Display shows engine status andalert information. The display of optionalitems can be changed. This manual mainlycovers the alert display. For information onother settings or changing the display, seethe CL7 owner’s manual.

GPS signal strength iconsThe icons shown in the upper-right of the en-gine screen indicate the GPS signalstrength. “ ” shows GPS satellite signalstrength according to the number of antennasymbol. “ ” shows no GPS antenna con-nection.Engine condition iconsOrange icons indicate engine conditions. Yamaha Security System indicator “ ”

(optional)This indicator appears when the YamahaSecurity System is in lock mode. Makesure it is off before starting the engine.

TIP:This function is for digital electronic controlmodels only. Engine warm-up indicator “ ”

This indicator appears while the engine isbeing warmed up and goes off whenwarming-up is finished.

Engine synchronization indicator “ ”In multiple engine types, this indicator ap-pears while the engines are under syn-chronization control. It goes off whenengine synchronization control is re-leased.

TIP:For some quad types, this indicator does notappear.Engine alert iconsRed icons indicate engine abnormalities.When an abnormality occurs, a pop-up win-dow will be displayed, and the buzzer willsound.

1. Touchscreen2. Power key3. Automatic backlight sensor4. microSD® memory card slot

1. Data fields2. Current time3. Set Point functions (Helm Master®)4. Tank level information5. GPS signal strength6. Shift position7. Tachometer and trim angle8. Engine information

ZMU08857

1

4

3

2

ZMU08858

3 4 6 9

10

1

7

8

52

9. Engine condition icon10. Engine alert icon



Instruments and indicators

39

Press the confirm button to change to normaldisplay, and the engine alert icon will start toblink.

NOTICEECM00093

Do not continue to operate the engine ifan alert device has activated. Consultyour Yamaha dealer if the problem cannotbe located and corrected.

The engine alert icon will appear accordingto the kind of abnormalities. The symbolsand their explanations are described as be-low. Overheat alert “ ”

If the engine temperature rises too highwhile cruising, this alert will be activated.

Stop the engine immediately. Check thecooling water inlet for clogging, and clear itif it is blocked.

NOTICEECM01594

Do not continue to run the engine if theoverheat-alert indicator blinks. Seriousengine damage will occur.

Do not continue to operate the engine ifan alert device has activated. Consultyour Yamaha dealer if the problem can-not be located and corrected.

Low oil pressure alert “ ”If the engine oil pressure drops too low,this alert will be activated. Stop the engineimmediately. Check the engine oil leveland replenish oil if necessary. If the alertdevice has activated while the appropriateengine oil level is maintained, consult yourYamaha dealer.

NOTICEECM01602

Do not continue to run the engine if thelow oil pressure alert device has activat-ed. Serious engine damage will occur.

Water separator alert “ ”If water has accumulated in the water sep-arator (fuel filter) while cruising, this alertwill be activated. Stop the engine immedi-ately and see page 103 of this manual todrain the water from the fuel filter. Consulta Yamaha dealer.

NOTICEECM00911

Gasoline mixed with water could causedamage to the engine.

Low battery voltage alert “ ”If the battery voltage drops, this alert willbe activated. Get back to the port soon ifthe low battery voltage alert device has ac-

1. Pop-up window2. Confirm button

1. Engine alert icon

ZMU08859

1

2

ZMU08860

1




40

tivated. For charging the battery, consultyour Yamaha dealer.

Engine trouble alert “ ”If the engine malfunctions while cruising,this alert will be activated. Return to portand consult a Yamaha dealer immediately.

Low cooling water pressure alert “ ”If the cooling water pressure drops too low,this alert will be activated. Get back to portand consult a Yamaha dealer immediately.

Steering alert notification (Helm Mas-ter®) “ ”If the steering malfunctions related to HelmMaster® while cruising, this alert will beactivated. Return to port and consult aYamaha dealer immediately.

Engine emission issue “ ”If the engine has some trouble related tothe emission system, this alert will be acti-vated. Get back to port and consult aYamaha dealer immediately.

EMU41782

6Y9 Multifunction Color GaugeThe 6Y9 Multifunction Color Gauge (herein-after called the Multi-Display) shows enginestatus and alert information. The display ofoptional items can be changed. This manualmainly covers the alert display. For informa-tion on other settings or changing the dis-play, see the 6Y9 Multifunction Color Gaugeowner’s manual.

1. Arrow keys2. Set button3. Cancel button4. Menu button5. Display

1. Shift position display2. Yamaha Security System indicator (optional)3. Engine warm-up indicator4. Engine synchronization indicator5. Trim meter6. Optional items7. Engine trouble-alert indicator8. Low battery voltage-alert indicator9. Water separator-alert indicator10. Low oil pressure-alert indicator11. Overheat-alert indicator12. Tachometer

ZMU07233

SET

MENU

CANCEL

43

1

5

2

54321 6

78910

1211

ZMU07234




41

EMU41643

Yamaha Security System indicator (optional)This indicator appears when the YamahaSecurity System is in lock mode. Make sureit is off before starting the engine.

EMU41651

Engine warm-up indicatorThis indicator appears while the engine isbeing warmed up and goes off when warm-ing-up is finished.

EMU41661

Engine synchronization indicatorIn twin types, this display appears while theengines are under engine synchronizationcontrol. It goes off when engine synchroniza-tion control is released.

EMU41683

Overheat alertIf the engine temperature rises too high whilecruising, the pop-up window will appear.Press the “ ” (set) button to change to nor-mal display, and the overheat-alert indicatorwill start to blink. The engine speed will auto-matically decrease to about 2000–3500r/min.

Stop the engine immediately if the buzzersounds and the overheat alert device has ac-

ZMU07235

ZMU07236

ZMU07237

ZMU07238

ZMU07239




42

tivated. Check the cooling water inlet forclogging.

NOTICEECM01594



EMU41692

Low oil pressure-alertIf the engine oil pressure drops too low, thepop-up window will appear. Press the “ ”(set) button to change to normal display, andthe low oil pressure-alert indicator will start toblink. The engine speed will automaticallydecrease to about 2000–3500 r/min.

Stop the engine immediately if the buzzersounds and the low oil pressure-alert device

has activated. Check the engine oil level andreplenish oil if necessary. If the alert devicehas activated while the appropriate engineoil level is maintained, consult your Yamahadealer.

NOTICEECM01602


EMU41701

Water separator alertThe pop-up window will appear if water hasaccumulated in the water separator (fuel fil-ter) while cruising. Press the “ ” (set) but-ton to change to normal display, and thewater separator-alert indicator will start toblink.

Stop the engine immediately and see page103 of this manual to drain the water from thefuel filter. Get back to the port soon and con-

ZMU07240

ZMU07241

ZMU07242

ZMU07250




43

sult a Yamaha dealer immediately.

NOTICEECM00911


EMU41721

Low battery voltage-alertThe pop-up window will be displayed if thebattery voltage drops. Press the “ ” (set)button will change to the normal display andthe battery voltage-alert indicator will start toblink.

Get back to the port soon if the low batteryvoltage-alert device has activated. Forcharging the battery, consult your Yamahadealer.EMU41711

Engine trouble alertThe pop-up window will appear if the enginemalfunctions while cruising. Press the “ ”(set) button to change to normal display, and

the engine trouble-alert indicator will start toblink.

Return to port and consult a Yamaha dealerimmediately.EMU46662

6YC Multifunction meterThe 6YC Multifunction meter shows enginestatus and alert information.

ZMU07251

ZMU07252

1. Multifunction display2. Directional keypad3. Set button

ZMU07253

ZMU07254

543

2

1

ZMU08323




44

Multifunction display

TIP:The optional items displayed on the multi-function display can be changed. For infor-mation on other settings or changing thedisplayed optional items, see the operationmanual included with the 6YC Multifunctionmeter.

This manual mainly covers the alert displayof the 6YC Multifunction meter. See the fol-lowing sections for information about the dis-play and indicators.

Indicators

Yamaha Security System indicator (op-tional)This indicator appears, when the YamahaSecurity System is in lock mode.

Make sure that the Yamaha Security Systemindicator is off before starting the engine.Engine trouble alertIf the engine malfunctions while cruising, thepop-up window will appear.

4. Cancel button5. Menu button

1. Trim meter2. Optional items3. Tachometer

3

2

1

ZMU08324

1. Yamaha Security System indicator (optional)2. Engine trouble-alert indicator3. Low battery voltage-alert indicator4. Water separator-alert indicator5. Low oil pressure-alert indicator6. Overheat-alert indicator

1. Yamaha Security System indicator (optional)

6 5 4 3 2

1

ZMU08325

1

ZMU08326




45

To return to the normal displayPush the “SET” (set) button, and the enginetrouble-alert indicator will start to blink.

NOTICEECM00921

In such an event, the engine will not oper-ate properly. Consult a Yamaha dealer im-mediately.

Low battery voltage alertIf the battery voltage drops, the pop-up win-dow will appear.

To return to the normal displayPush the “SET” (set) button, and the low bat-tery voltage-alert indicator will start to blink.

Get back to the port soon if the low batteryvoltage-alert device has activated. Forcharging the battery, consult your Yamahadealer.Water separator alertIf water has accumulated in the water sepa-rator (fuel filter) while cruising, the pop-upwindow will appear.

1. Pop-up window

1. Engine trouble-alert indicator

1

ZMU08327

1

ZMU08332

1. Pop-up window

1. Low battery voltage-alert indicator

1

ZMU08328

1

ZMU08333




46

To return to the normal displayPush the “SET” (set) button, and the waterseparator-alert indicator will start to blink.

Stop the engine immediately and see page103 of this manual to drain the water from thefuel filter. Get back to the port soon and con-sult a Yamaha dealer immediately.

NOTICEECM00911


Low oil pressure alertIf the engine oil pressure drops too low, thepop -up window will appear.The engine speed will automatically de-crease to about 2000–3500 r/min.

To return to the normal displayPush the “SET” (set) button, and the low oilpressure-alert indicator will start to blink.

Stop the engine immediately if the buzzersounds and the low oil pressure-alert deviceis activated. Check the engine oil level andreplenish oil if necessary. If the alert devicehas activated while the appropriate engineoil level is maintained, consult your Yamahadealer.

NOTICEECM01602


Overheat alertIf the engine temperature rises too high while

1. Pop-up window

1. Water separator-alert indicator

1

ZMU08329

1

ZMU08334

1. Pop-up window

1. Low oil pressure-alert indicator

1

ZMU08330

1

ZMU08335




47

cruising, the pop -up window will appear.The engine speed will automatically de-crease to about 2000–3500 r/min.

To return to the normal displayPush the “SET” (set) button, and the over-heat-alert indicator will start to blink.

Stop the engine immediately if the buzzersounds and the overheat device has activat-ed. Check the cooling water inlet for clog-ging.

NOTICEECM01594


Do not continue to operate the engine ifan alert device has activated. Consult

your Yamaha dealer if the problem can-not be located and corrected.

EMU46654

6Y8 Multifunction metersThere are two types of 6Y8 Multifunction me-ters. 6Y8 Multifunction tachometer 6Y8 Multifunction speed & fuel meter6Y8 Multifunction tachometer

1. Pop-up window

1. Overheat-alert indicator

1

ZMU08331

1

ZMU08336

1. Set button2. Mode button

1. Tachometer2. Trim meter3. Multifunction display

SET MODE

21ZMU08407

1 2

3

ZMU08408




48

6Y8 Multifunction speed & fuel meter

TIP:The information displayed on the multifunc-tion display can be changed. For informationon other settings or changing the displayedinformation, see the operation manual in-cluded with the 6Y8 Multifunction meter.

This manual mainly covers the alert displayof the 6Y8 Multifunction tachometer. See thefollowing sections for information about thealert indicators.

Indicators

Yamaha Security System indicator (op-tional)This indicator appears, when the YamahaSecurity System is in lock mode.Lock mode

Make sure that the Yamaha Security Systemindicator is off before starting the engine.Water separator-alert indicatorIf water has accumulated in the water sepa-rator (fuel filter) while cruising, the water sep-arator-alert indicator will start to blink.

1. Set button2. Mode button

1. Speedometer2. Fuel meter3. Multifunction display

SET MODE

21ZMU08409

1

3

2

ZMU08410

1. Yamaha Security System indicator (optional)2. Water separator-alert indicator3. Engine trouble-alert indicator4. Battery voltage indicator5. Overheat-alert indicator6. Low oil pressure-alert indicator7. Cooling water pressure indicator (optional)

1. Yamaha Security System indicator (optional)

1

7 6 5 4

2 3

ZMU08411

SET MODE

1

ZMU08412




49

Stop the engine immediately and see page103 of this manual to drain the water from thefuel filter. Get back to the port soon and con-sult a Yamaha dealer immediately.

NOTICEECM00911


Engine trouble-alert indicatorIf the engine malfunctions while cruising, theengine trouble-alert indicator will start toblink. Get back to the port soon and consulta Yamaha dealer immediately.

NOTICEECM00921

In such an event, the engine will not oper-ate properly. Consult a Yamaha dealer im-

mediately.

Low battery voltage alertIf the battery voltage drops, the battery volt-age value will start to blink.

Get back to the port soon if the low batteryvoltage alert device has activated. For charg-ing the battery, consult your Yamaha dealer.Overheat-alert indicatorIf the engine temperature rises too high whilecruising, the overheat-alert indicator will startto blink, and the engine speed will automati-cally decrease to about 2000–3500 r/min.

Stop the engine immediately if the buzzersounds and the overheat device has activat-ed. Check the cooling water inlet for clog-ging.

1. Water separator-alert indicator

1. Engine trouble-alert indicator

1

ZMU08413

1

ZMU08414

1. Battery voltage value

1. Overheat-alert indicator

1 ZMU08415

1

ZMU08416




50

NOTICEECM01594



Low oil pressure-alert indicatorIf the engine oil pressure drops too low, thelow oil pressure-alert indicator will start toblink, and the engine speed will automatical-ly decrease to about 2000–3500 r/min.

Stop the engine immediately if the buzzersounds and the low oil pressure-alert indica-tor blinks. Check the engine oil level and re-plenish oil if necessary. If the alert devicehas activated while the appropriate engineoil level is maintained, consult your Yamahadealer.

NOTICEECM01602


1. Low oil pressure-alert indicator

1

ZMU08417



51

Engine control systemEMU26806

Alert system

NOTICEECM00093

Do not continue to operate the engine ifan alert device has activated. Consultyour Yamaha dealer if the problem cannotbe located and corrected.

EMU35186

Digital Electronic Control alertIf during operation of the outboard motor anycommunication troubles between the digitalelectronic control and the outboard motor oc-cur, the alert indicator will light. Even if thereis no symptom of trouble with shifting orthrottle, get back to the port soon and have aYamaha dealer inspect or repair the out-board motor.

EMU41927

Overheat alertThis engine has an overheat-alert device. Ifthe engine temperature rises too high, thealert device will activate. The engine speed will automatically de-

crease to about 2000–3500 r/min. The overheat-alert indicator will light or

blink.

The pop-up window will appear on theMulti-Display.

1. Digital electronic control-alert indicator

ZMU05889

1

ZMU05891

1

ZMU05422

ZMU07238

ZMU08533



Engine control system

52

The buzzer will sound.

If the alert system has activated, stop the en-gine and check the cooling water inlets: Check trim angle to be sure that the cool-

ing water inlet is submerged.

Check the cooling water inlet for clogging.

Twin engine drive usersIf the overheat alert system of one outboardmotor activates, the engine will slow down.To turn off the alert activation on the out-board motors not affected by overheating1. Turn the main switch to “ ” (off) for the

overheating outboard motor.

TIP:If the alert system has activated, stop the en-gine and tilt the outboard motor up to checkthe cooling water inlets for clogging.2. If the alert system is still activated, tilt the

overheated outboard motor up and re-turn to port.

1. Cooling water inlet

ZMU07155

ZMU07156

1


1

ONOFF




53

EMU41937

Low oil pressure alertIf the oil pressure drops too low, the alert de-vice will activate. The engine speed will automatically de-

crease to about 2000–3500 r/min. The low oil pressure-alert indicator will

light or blink.


The buzzer will sound.

TIP:If the alert system has activated, stop the en-gine as soon as it is safe to do so. Check theoil level and add oil as needed. If the oil levelis correct and the alert system does not turnoff, consult your Yamaha dealer.Twin engine drive usersIf the low oil pressure alert system of one out-board motor activates, all of the engines willslow down and the buzzer will sound.

ZMU05431

ZMU07240

ZMU08534

ZMU07155

ZMU07156




54

To turn off the alert activation on the out-board motors not affected by the low oil pres-sureTurn the main switch to “ ” (off) for the out-board motor that has the low oil pressure.

EMU41947

Water separator alertThe outboard motor is equipped with a waterseparator alert system. If water separatedfrom the fuel exceeds a specific volume, thealert system will activate. The water separator-alert indicator will

come on or blink.


The buzzer will sound intermittently whenthe control lever is in the neutral position.

If the alert system has activatedStop the engine and see page 105 of thismanual to drain the water from the fuel filter.Return to port and consult a Yamaha dealerimmediately.

NOTICEECM02471

Although the buzzer will stop when theengine is started and the control lever ismoved to the forward or reverse position,do not use the outboard motor. Other-wise, serious engine damage could oc-cur.

ONOFF

ZMU05424

ZMU07242

ZMU08535



55

InstallationEMU26903

InstallationThe information presented in this section isintended as reference only. It is not possibleto provide complete instructions for everypossible boat and motor combination. Propermounting depends in part on experience andthe specific boat and motor combination.

WARNINGEWM01591

Overpowering a boat could cause se-vere instability. Do not install an out-board motor with more horsepowerthan the maximum rating on the capac-ity plate of the boat. If the boat does nothave a capacity plate, consult the boatmanufacturer.

Improper mounting of the outboard mo-tor could result in hazardous condi-tions such as poor handling, loss ofcontrol, or fire hazards. For permanent-ly mounted models, your dealer or oth-er person experienced in proper riggingshould mount the motor.

EMU33482

Mounting the outboard motorThe outboard motor should be mounted sothat the boat is well balanced. Otherwise, theboat could be hard to steer. For single-en-gine boats, mount the outboard motor on thecenterline (keel line) of the boat. For twin en-gine boats, mount the outboard motors equi-distant from the centerline. Consult yourYamaha dealer or boat manufacturer for fur-ther information on determining the propermounting location.

EMU26937

Mounting height (boat bottom)The mounting height of your outboard motoraffects its efficiency and reliability. If it ismounted too high, propeller ventilation mayoccur, which will reduce propulsion due toexcessive propeller slip, and the water in-takes for the cooling system may not get anadequate water supply, which can cause en-gine overheating. If the engine is mountedtoo low, water resistance (drag) will increase,thereby reducing engine efficiency and per-formance.Most commonly, an outboard motor shouldbe mounted so that the anti-cavitation plateis in alignment with the bottom of the boat.The optimum mounting height of the out-

1. Center line (keel line)

1. Center line (keel line)

ZMU017601



Installation

56

board motor is affected by the boat/motorcombination and the desired use. Test runsat different heights can help determine theoptimum mounting height. Consult yourYamaha dealer or boat manufacturer for fur-ther information on determining the propermounting height.

NOTICEECM01635

Make sure that the idle hole is highenough to prevent water from enteringthe engine even if the boat is stationarywith the maximum load.

Incorrect engine height or obstructionsto the smooth flow of water (such as thedesign or condition of the boat, or ac-cessories, such as transom ladders ordepth finder transducers) can createairborne water spray while the boat iscruising. If the outboard motor is oper-ated continuously in the presence ofairborne water spray, enough watercould enter the engine through the airintake opening in the top cowling tocause severe engine damage. Removethe cause of the airborne water spray.

ZMU01762



57

OperationEMU36382

First-time operationEMU40512

Filling engine oilThe outboard motor is shipped from the fac-tory without engine oil. If your Yamaha deal-er did not fill the engine with engine oil, youmust fill the engine before starting it.NOTICE: Make sure that the engine isfilled with engine oil before operating theoutboard motor for the first time. Other-wise, the engine could be damaged se-verely. [ECM02241]

The following tag, which is fitted on the out-board motor when it is shipped from the fac-tory, should be removed after the engine isfilled with engine oil for the first time. Formore information on checking the engine oillevel, see page 59.

EMU30175

Breaking in engineYour new engine requires a period of break-

in to allow mating surfaces of moving parts towear in evenly. Correct break-in will help en-sure proper performance and longer enginelife. NOTICE: Failure to follow the break-inprocedure could result in reduced enginelife or even severe engine damage. [ECM00802]

EMU41223

Procedure for breaking in engineYour new engine requires a period of 10hours break-in so that mating surfaces ofmoving parts wear in evenly.Operate the engine in the water under load(in gear with a propeller installed) for 10hours as follows. When breaking in the en-gine, avoid extended idling, rough water, andcrowded areas.1. For the 1st hour of operation:

Operate the engine at varying speeds upto 2000 r/min or approximately 1/2 throt-tle.

2. For the 2nd hour of operation:Increase the engine speed until the boatis on plane (but avoid full-throttle opera-tion), and then back off on the throttlewhile keeping the boat at a planingspeed.

3. For the remaining 8 hours of operation:Operate the engine at any speed. How-ever, avoid operating at full throttle formore than 5 minutes at a time.

4. After the 1st 10 hours of operation:Operate the engine normally.

EMU36402

Getting to know your boatAll boats have unique handling characteris-tics. Operate cautiously while you learn howyour boat handles under different conditionsand various trim angles (see page 69).ZMU01710



Operation

58

EMU36414

Checks before starting engine

WARNINGEWM01922

If any item in “Checks before starting en-gine” is not working properly, have it in-spected and repaired before operatingthe outboard motor. Otherwise, an acci-dent could occur.

NOTICEECM00121

Do not start the engine out of water. Over-heating and serious engine damage canoccur.

EMU36422

Fuel levelBe sure you have plenty of fuel for your trip.A good rule is to use 1/3 of your fuel to get tothe destination, 1/3 to return, and to keep 1/3as an emergency reserve. With the boat lev-el on a trailer or in the water, turn the key to“ ” (on) and check the fuel level. For fuelfilling instructions, see page 63.EMU40774

Removing top cowlingFor the following checks, remove the topcowling from the bottom cowling.To remove the top cowling, pull the cowlinglock levers and lift up the top cowling.

EMU36443

Fuel system

WARNINGEWM00061

Gasoline and its vapors are highly flam-mable and explosive. Keep away fromsparks, cigarettes, flames, or other sourc-es of ignition.

WARNINGEWM00911

Leaking fuel can result in fire or explo-sion. Check for fuel leakage regularly. If any fuel leakage is found, the fuel

system must be repaired by a qualifiedmechanic. Improper repairs can makethe outboard unsafe to operate.

EMU36453

Check for fuel leaks Check for fuel leaks or gasoline fumes in

the boat. Check for fuel leakage from the fuel sys-

tem. Check the fuel tank and fuel lines for1. Cowling lock lever

1

2

3

ZMU06914

2. Bottom cowling3. Top cowling

1. Cowling lock lever(s)2. Bottom cowling3. Top cowling

1

12

3

ZMU06915



Operation

59

cracks, swellings, or other damage.EMU37323

Checking the fuel filterCheck that the fuel filter is clean and free ofwater. If any water is found in the fuel, or if asignificant amount of debris is found, the fueltank should be checked and cleaned by aYamaha dealer.

EMU41771

Controls Turn the main switch “ ” (on) and make

sure that the Digital electronic control-ac-tive indicator comes on.

Turn the steering wheel full-right and full-left. Make sure operation is smooth andunrestricted throughout the whole rangewith no binding or excessive free play.

Operate the throttle levers several times tomake sure there is no hesitation in theirtravel. Operation should be smooth overthe complete range of motion, and each le-ver should return completely to the idle po-sition.

EMU40363

Engine shut-off cord (lanyard)Check the engine shut-off cord and clip fordamage, such as cuts, breaks, and wear.

EMU40994

Engine oil1. Place the outboard motor in a vertical

position (not tilted). NOTICE: If the out-board motor is not level, the oil levelindicated on the oil dipstick may notbe accurate. [ECM01862]

2. Remove the oil dipstick and wipe itclean.

3. Insert the oil dipstick completely and re-move it again.

4. Check that the oil level on the oil dipstickis between the upper and lower marks.Consult your Yamaha dealer if the oillevel is not at the proper level or if it ap-pears milky or dirty.

1. Fuel filter

1

ZMU07518

1. Clip2. Engine shut-off cord (lanyard)

1. Oil dipstick

ZMU06873

1

2

1

ZMU07157



Operation

60

EMU40412

Outboard motor Check that the outboard motor is mounted

properly and check the outboard motormounting bolts for looseness.

Check the propeller for damage. Check for engine oil leaks.EMU40372

Flushing deviceCheck that the flushing device is securelytightened on to the fitting on the bottom cowl-ing. NOTICE: Make sure to connect thegarden hose connector to the fitting onthe bottom cowling and tighten it secure-ly. Otherwise, cooling water will leak outduring operation, causing the engine tooverheat. [ECM02292]

EMU40752

Installing top cowling1. Check the rubber seal for damage. If the

rubber seal is damaged, have it replacedby a Yamaha dealer.

1. Oil dipstick2. Upper mark3. Lower mark

1 2

3

ZMU06918

1. Flushing device2. Garden hose connector3. Fitting

1. Rubber seal2. Bottom cowling

23 1

2

1

ZMU07159



Operation

61

2. Check that the rubber seal is seated allthe way around the bottom cowling.

3. Check that all of the cowling lock leversare pulled outward.

4. Align the 3 protrusions on the top cowl-ing with the corresponding holders onthe bottom cowling, and then place thetop cowling on the bottom cowling.

5. Push the cowling lock levers inward tosecure the top cowling.

6. Check the fitting of the top cowling bypushing it with both hands. NOTICE: Ifthe top cowling is not installed cor-rectly, water can enter the top cowl-ing and damage the engine, or the topcowling can blow off at high speeds.[ECM02371]

1. Top cowling2. Protrusion3. Holder4. Bottom cowling

1. Top cowling2. Protrusion3. Holder4. Bottom cowling

23

4

1

ZMU07015

21

4

32 3

ZMU07016

1. Cowling lock lever

1. Cowling lock lever(s)

1

ZMU06920

1 ZMU06921

ZMU07160



Operation

62

EMU35245

Checking power trim and tilt system

WARNINGEWM01931

Never get under the lower unit while itis tilted, even when the tilt support leveris locked. Severe injury could occur ifthe outboard motor accidentally falls.

Body parts can be crushed between themotor and the clamp bracket when themotor is trimmed or tilted.

Be sure no one is near the outboardmotor before performing this check.

1. Check the power trim and tilt unit for anysign of oil leaks.

2. Operate each of the power trim and tiltswitches on the digital electronic controland engine bottom cowling (if equipped)to check that all switches work.

3. Tilt the outboard motor up and checkthat the tilt rod and trim rods are extend-ed completely.

4. Use the tilt support lever to lock the mo-tor in the up position. Operate the tiltdown switch briefly so the motor is sup-ported by the tilt support lever.

5. Check that the tilt rod and trim rods arefree of corrosion or other flaws.

6. Activate the tilt-down switch until the trimrods have retracted completely into thecylinders.

7. Activate the trim-up switch until the tiltrod is fully extended. Unlock the tilt sup-port lever.

8. Tilt the outboard motor down. Check thatthe tilt rod and trim rods operate smooth-ly.

EMU36585

BatteryCheck the battery’s charge. If your boat isequipped with a Yamaha digital speedome-ter, the voltmeter and low battery alert func-tions will help you monitor the battery’scharge. A battery in good condition will pro-vide a minimum of 12 volts. Check that the

1. Tilt rod2. Trim rods

1

2ZMU07162

1. Tilt support lever

1

ZMU07163

ZMU07164



Operation

63

battery connections are clean, secure andcovered by insulating covers. The electricalconnections of the battery and cables mustbe clean and properly connected or the bat-tery will not start the engine.If the battery needs charging, consult yourYamaha dealer or the battery manufacturer’sinstructions.EMU30027

Filling fuel

WARNINGEWM01831

Gasoline and its vapors are highly flam-mable and explosive. Always refuel ac-cording to this procedure to reduce therisk of fire and explosion.

Gasoline is poisonous and can causeinjury or death. Handle gasoline withcare. Never siphon gasoline by mouth.If you should swallow some gasoline orinhale a lot of gasoline vapor, or getsome gasoline in your eyes, see yourdoctor immediately. If gasoline spillson your skin, wash with soap and wa-ter. If gasoline spills on your clothing,change your clothes.

1. Make sure that the engine is stopped.2. Make sure that the boat is in a well-ven-

tilated outdoor area, either securelymoored or trailered.

3. Make sure that no one is in the boat.4. Do not smoke and keep away from

sparks, flames, static electric discharge,or other sources of ignition.

5. If you use a portable container to storeand dispense fuel, only use a locally ap-proved GASOLINE container.

6. Touch the fuel nozzle to the filler open-ing or funnel to help prevent electrostaticsparks.

7. Fill the fuel tank, but do not overfill.

WARNING! Do not overfill. Otherwisefuel can expand and overflow if thetemperature increases. [EWM02611]

8. Tighten the fuel tank cap securely.9. Wipe up any spilled gasoline immediate-

ly with dry rags. Dispose of rags properlyaccording to local laws or regulations.

EMU40252

Operating engine

WARNINGEWM02601

This product emits exhaust gases whichcontain carbon monoxide, a colorless,odorless gas which could cause braindamage or death when inhaled. Symp-toms include nausea, dizziness, anddrowsiness. Keep cockpit and cabin ar-eas well ventilated. Avoid blocking ex-haust outlets.

EMU41291

Sending fuel1. If your boat is equipped with a fuel tank

selector valve, turn the valve to selectthe appropriate fuel tank.

2. Squeeze the primer pump, with the ar-row pointing up, until you feel it becomefirm.

1. Arrow



Operation

64

EMU27495

Starting engine

WARNINGEWM01601

Before starting the engine, make surethat the boat is tightly moored and thatyou can steer clear of any obstructions.Be sure there are no swimmers in the wa-ter near you.

EMU41791

Start-up checksPlace the control lever in neutral and turn themain switch to “ ” (on). Make sure that noalert-indicator comes on. If the buzzersounds and the water separator-alert indica-tor blinks, consult your Yamaha dealer im-mediately.EMU41904

Procedure for starting engine

WARNINGEWM01842

Failure to attach the engine shut-offcord could result in a runaway boat ifoperator is ejected. Attach the engineshut-off cord to a secure place on yourclothing, or your arm or leg while oper-ating. Do not attach the cord to clothingthat could tear loose. Do not route thecord where it could become entangled,preventing it from functioning.

Avoid accidentally pulling the cord dur-ing normal operation. Loss of enginepower means the loss of most steeringcontrol. Also, without engine power,the boat could slow rapidly. This couldcause people and objects in the boat tobe thrown forward.

1. Place the control lever in neutral.

TIP:The start-in-gear protection device preventsthe engine from starting except when in neu-tral.2. Attach the engine shut-off cord to a se-

cure place on your clothing, or your armor leg. Then install the clip on the otherend of the cord into the engine shut-offswitch.

3. Turn the main switch to “ ” (on) tomake sure that the digital electronic con-trol-active indicator lights. The enginecan not be started when the digital elec-tronic control-alert indicator lights.

ZMU05829

N

ZMU07167



Operation

65

4. Turn the main switch to “ ” (start),and hold it for a maximum of 5 seconds.NOTICE: Never turn the main switchto “ ” (start) while the engine isrunning. Do not keep the starter mo-tor turning for more than 5 seconds. Ifthe starter motor is turned continu-ously for more than 5 seconds, thebattery will be quickly discharged,thus making it impossible to start theengine. The starter can also be dam-aged. If the engine will not start after5 seconds of cranking, return themain switch to “ ” (on), wait 10 sec-onds, then crank the engine again.[ECM00193]

When starting the engine using theStart/Stop button, press the button tostart the engine. The indicator for thestarting engine will come on.

When starting the engine using theStart/Stop button on the All Start/Stopswitch panel, press the button to startthe all engines.

TIP: When the main switch is turned to “ ”

(start) with the clip removed from the en-gine shut-off switch, the buzzer will sound.

For twin type, if the clip is removed fromthe engine shut-off switch, the buzzer willsound when the Start/Stop button ispressed.

For twin type, when either engine hasstarted, the engine that has started can bestopped by pressing the Start/Stop buttonon the All Start/Stop switch panel.

EMU36511

Checks after starting engineEMU41361

Cooling waterCheck for a steady flow of water from the

ONOFF

ZMU07217

ONSTART

ZMU07169

ZMU07148

ZMU07150



Operation

66

cooling water pilot hole. A continuous flow ofwater from the cooling water pilot hole showsthat the water pump is pumping waterthrough the cooling water passages.

TIP:When the engine is started, there may be aslight delay before water flows from the cool-ing water pilot hole.

NOTICEECM02251

If water is not flowing out of the coolingwater pilot hole at all times while the en-gine is running, overheating and seriousdamage could occur. Stop the engine andcheck whether the cooling water inlet onthe lower case or the cooling water pilothole is blocked. Consult your Yamahadealer if the problem cannot be locatedand corrected.

EMU27671

Warming up engineEMU41811

Electric start modelsAfter the engine has started, warm up the en-gine until the engine speed settles at idlingspeed. The engine warming-up indicator isshown on the Multi-Display while the enginewarms up. For further information, see page41.

EMU36532

Checks after engine warm upEMU36542

ShiftingWhile the boat is tightly moored, and withoutapplying throttle, confirm that the engineshifts smoothly into forward and reverse, andback to neutral.EMU41821

Stop switchesPerform the following procedure to checkthat the main switch and engine shut-offswitch operate properly. Check that the engine stops when the

main switch is turned to the “ ” (off) po-sition, or press the Start/Stop button.

Check that the engine stops when the clipis pulled from the engine shut-off switch.

Check that the engine cannot be startedwith the clip removed from the engineshut-off switch.

EMU35126

Shifting

WARNINGEWM00181

Before shifting, make sure there are noswimmers or obstacles in the water nearyou.

Warm up the engine before shifting into gear.Until the engine is warm, the idle speed maybe higher than normal. The control lever ofthe Digital electronic control can be operatedeven at high engine speeds. However, gearshifting will not work until the engine speedhas automatically decreased to a speed atwhich actual gear shifting is possible. As aresult, for quick gear shifting there could be atime lag when the gear is shifted until the en-gine speed has decreased sufficiently.To shift out of neutral1. Pull the neutral interlock trigger up (if

1. Cooling water pilot hole

1ZMU06929



Operation

67

equipped).2. Move the control lever firmly and crisply

forward (for forward gear) or backward(for reverse gear) 22.5 (a detent can befelt).

To shift from in gear (forward/reverse) toneutral1. Close the throttle so that the engine

slows to idle speed.

2. After the engine is at idle speed in gear,move the control lever firmly and crisplyinto the neutral position.

EMU31743

Stopping boat

WARNINGEWM01511

Do not use the reverse function to slowdown or stop the boat as it could causeyou to lose control, be ejected, or im-pact the steering wheel or other parts ofthe boat. This could increase the risk ofserious injury. It could also damage theshift mechanism.

Do not shift into reverse while travelingat planing speeds. Loss of control, boatswamping, or damage to the boat couldoccur.

The boat is not equipped with a separatebraking system. Water resistance stops it af-ter the throttle lever is moved back to idle.The stopping distance varies depending ongross weight, water surface conditions, andwind direction.EMU30881

TrollingEMU41832

Adjusting trolling speedWhen the control lever is either in the for-ward position or in the reverse position andthe throttle is in the fully closed position, youcan randomly adjust the trolling speed be-tween 600 r/min and 1000 r/min by increas-ing or decreasing it approximately by 50

ZMU05831

NF R22.5 22.5

ZMU05832

RF

ZMU05829

N



Operation

68

r/min. The display will show the enginespeed when the engine speed is increasedfrom the fully closed position during trollingspeed setting mode. When the throttle is re-turned to the fully closed position, the displaywill show the trolling speed again. When theengine is turned off or when the enginespeed exceeds 3000 r/min, trolling speedsetting mode will be released.For details, see the attached operation man-ual.

TIP: Trolling is affected by currents and other

operating conditions and may differ fromthe actual engine speed.

When warming up a cold engine, the troll-ing speed cannot be decreased below thespecified engine idle speed.

EMU27822

Stopping engineBefore stopping the engine, first let it cool offfor a few minutes at idle or low speed. Stop-ping the engine immediately after operatingat high speed is not recommended.EMU41914

Procedure for stopping engine1. The engine can be turned off either by

pressing the Start/Stop button or by turn-ing the main switch to the “ ” (off) po-sition. After the engine has been turnedoff using the Start/Stop button, turn themain switch to the “ ” (off) position.ZMU06309

Troll stop

SET

MENU

CANCEL

ZMU07256

ZMU08536

ONOFF

ZMU07171

ZMU07148



Operation

69

TIP: The engine can also be stopped by pulling

the cord and removing the clip from the en-gine shut-off switch, then turning the mainswitch to “ ” (off).

2. Remove the key if the boat will be left un-attended.

EMU27865

Trimming outboard motor

WARNINGEWM00741

Excessive trim for the operating condi-tions (either trim up or trim down) cancause boat instability and can makesteering the boat more difficult. This in-creases the possibility of an accident. Ifthe boat begins to feel unstable or is hardto steer, slow down and/or readjust thetrim angle.

The trim angle of the outboard motor helpsdetermine the position of the bow of the boatin the water. Correct trim angle will help im-prove performance and fuel economy whilereducing strain on the engine. Correct trimangle depends upon the combination ofboat, engine, and propeller. Correct trim isalso affected by variables such as the load inthe boat, sea conditions, and running speed.

EMU27889

Adjusting trim angle (Power trim and tilt)

WARNINGEWM00754

Be sure all people are clear of the out-board motor when adjusting the trimangle. Body parts can be crushed be-tween the motor and the clamp bracketwhen the motor is trimmed or tilted.

Use caution when trying a trim positionfor the first time. Increase speed gradu-ally and watch for any signs of instabil-ity or control problems. Improper trimangle can cause loss of control.

If equipped with a power trim and tiltswitch located on the bottom cowling,use the switch only when the boat is ata complete stop with the engine off. Donot adjust the trim angle with thisswitch while the boat is moving.

Adjust the outboard motor trim angle usingthe power trim and tilt switch.

ZMU07150

1. Trim operating angle



Operation

70

To raise the bow (trim-out), press the switch“ ” (up).To lower the bow (trim-in), press the switch“ ” (down).Make test runs with the trim set to differentangles to find the position that works best foryour boat and operating conditions.EMU27913

Adjusting boat trimWhen the boat is on plane, a bow-up attituderesults in less drag, greater stability and effi-ciency. This is generally when the keel line ofthe boat is up about 3 to 5 degrees. With thebow up, the boat may have a greater tenden-cy to steer to one side or the other. Compen-sate for this as you steer. When the bow ofthe boat is down, it is easier to acceleratefrom a standing start onto plane.

Bow UpToo much trim-out puts the bow of the boattoo high in the water. Performance and econ-omy are decreased because the hull of theboat is pushing the water and there is moreair drag. Excessive trim-out can also causethe propeller to ventilate, which reduces per-formance further, and the boat may “por-poise” (hop in the water), which could throwthe operator and passengers overboard.

Bow DownToo much trim-in causes the boat to “plow”through the water, decreasing fuel economyand making it hard to increase speed. Oper-ating with excessive trim-in at higher speedsalso makes the boat unstable. Resistance atthe bow is greatly increased, heightening thedanger of “bow steering” and making opera-tion difficult and dangerous.


ZMU05834

UP

1

DN

UP

DN

11

1UP

DN

ZMU05835



Operation

71

TIP:Depending on the type of boat, the outboardmotor trim angle may have little effect on thetrim of the boat when operating.EMU27948

Tilting up and downIf the engine will be stopped for some time orif the boat is moored in shallows, the out-board motor should be tilted up to protect thepropeller and lower case from damage bycollision with obstructions, and also to re-duce salt corrosion.

WARNINGEWM01544

Make sure that all people are clear of theoutboard motor when tilting the outboardmotor up and down. Body parts can becrushed between the outboard motor andthe clamp bracket when the outboard mo-tor is trimmed or tilted.

NOTICEECM00993

Before tilting the outboard motor, fol-low the procedure under “Stopping en-gine” in this chapter. Never tilt theoutboard motor while the engine is run-ning. Severe damage from overheatingcan result.

To prevent the cooling water passagesfrom becoming frozen when the ambi-ent temperature is 5C (41F) or below,

tilt the outboard motor up after it hasbeen stopped 30 seconds or more.

EMU3550C

Procedure for tilting up (power trim and tilt models)1. Place the control lever in neutral.

2. Press the power trim and tilt switch “ ”(up) until the outboard motor has tiltedup completely.

ZMU05829

N

ZMU05837

UP

UP

UP

ZMU05838



Operation

72

3. Set the tilt support lever to support theengine. WARNING! After tilting theoutboard motor, be sure to support itwith the tilt support knob or tilt sup-port lever. Otherwise the outboardmotor could fall back down suddenlyif oil in the power trim and tilt unit orin the power tilt unit loses pressure.[EWM00263] NOTICE: Do not use the tiltsupport lever or knob when traileringthe boat. The outboard motor couldshake loose from the tilt support andfall. If the motor cannot be trailered inthe normal running position, use anadditional support device to secure itin the tilt position. For more detailedinformation, see page 75. [ECM01642]

4. Once the outboard motor is supportedwith the tilt support lever, press the pow-er trim and tilt switch “ ” (down) to re-tract the trim rods. NOTICE: Make surethat the trim rods retract completelyduring mooring. This protects therods from marine growth and corro-sion, which could damage the powertrim and tilt mechanism. [ECM00254]

EMU35517

Procedure for tilting down (power trim and tilt models)1. Push the power trim and tilt switch “ ”

(up) until the outboard motor is support-ed by the tilt rod and the tilt support leverbecomes free.

2. Release the tilt support lever.

UP

ZMU07177



Operation

73

3. Push the power trim and tilt switch “ ”(down) to lower the outboard motor tothe desired position.

EMU28063

Shallow water EMU40702

Cruising in shallow waterThe outboard motor can be tilted up partiallyto allow operation in shallow water.

NOTICEECM02361

Do not tilt the outboard motor up so thatthe cooling water inlet on the lower unit isabove the surface of the water when set-ting up for and cruising in shallow water.Otherwise severe damage from overheat-ing can result.

EMU35237

Procedure for power trim and tilt models1. Place the control lever in neutral.

ZMU07178

ZMU05840DN

DN

DN

ZMU05841


DN

ZMU07179

1



Operation

74

2. Slightly tilt the outboard motor up to thedesired position using the power trimand tilt switch. WARNING! Using thepower trim and tilt switch on the bot-tom cowling while the boat is movingor engine is on could increase therisk of falling overboard and coulddistract the operator, increasing therisk of collision with another boat oran obstacle. [EWM01851]

3. To return the outboard motor to the nor-

mal running position, press the powertrim and tilt switch and slowly tilt the out-board motor down.

EMU41371

Operating in other conditionsOperating in salt waterAfter operating in saltwater, brackish water,or water high in other minerals, flush thecooling system with fresh water to minimizecorrosion and clogging of the cooling waterpassages with deposits. Also, rinse the exte-rior of the outboard motor with fresh water.Operating in water containing mud, sand,silt, debris, or vegetationMud, sand, silt, debris, and vegetation in thewater may restrict water flow into the coolingwater inlet covers or clog internal water pas-sages. Check and clean the cooling water in-let covers frequently when operating in theseconditions. Flush the engine with clean, freshwater after use in these environments. Con-sult your dealer if normal water flow can notbe restored by cleaning the cooling water in-let covers or flushing with fresh water.

ZMU05829

N

ZMU05837

UP

UP

UP

ZMU05838



75

MaintenanceEMU41533

Transporting and storing outboard motor

WARNINGEWM02641

USE CARE when transporting fuel tank,whether in a boat or car.

DO NOT fill fuel container to maximumcapacity. Gasoline will expand consid-erably as it warms up and can build uppressure in the fuel container. This cancause fuel leakage and a potential firehazard.

Leaking fuel is a fire hazard. Tighten se-curely the fuel valve when transportingand storing the outboard motor.

Never get under the outboard motorwhile it is tilted. Severe injury could oc-cur if the outboard motor accidentallyfalls.

Do not use the tilt support lever or knobwhen trailering the boat. The outboardmotor could shake loose from the tiltsupport and fall. If the outboard motorcannot be trailered in the normal run-ning position, use an additional sup-port device to secure it in the tiltposition.

Leaking fuel is a fire hazard. When traileringthe boat, close the fuel valve to prevent fuelfrom leaking.The outboard motor should be transportedand stored in the normal running position. Ifthere is insufficient road clearance in this po-sition, then trailer the outboard motor in thetilt position using a motor support devicesuch as a transom saver bar. Consult yourYamaha dealer for further details.When the outboard motor is tilted for a pro-longed time when mooring or trailering theboat, close the fuel valve.

EMU35412

Storing outboard motorWhen storing your Yamaha outboard motorfor prolonged periods of time (2 months orlonger), several important procedures mustbe performed to prevent excessive damage.It is advisable to have your outboard motorserviced by an authorized Yamaha dealerprior to storage. However, you, the owner,with a minimum of tools, can perform the fol-lowing procedures.

NOTICEECM01721

Store the outboard motor in a dry, well-ventilated place, not in direct sunlight.

Keep the outboard motor in the attitudeshown when transporting and storing it.

EMU41382

Conditioning and stabilizing gasolineWhen preparing to store a boat for extendedperiods (2 months or longer) it is best to com-pletely remove all gasoline from the boat’sfuel tank(s). If it is not possible to remove thegasoline, add one ounce of “Yamalube FuelStabilizer & Conditioner Plus” to each gallonof gasoline in a full tank of gasoline to pro-vide fuel stability and corrosion protection.

TIP:Do not fill the fuel tank(s) to the point of over-flowing. Approximately 7/8 full will allowenough space in the fuel tank to prevent gas-

ZMU05843



Maintenance

76

oline purging from the fuel tank vent due toexpansion with temperature changes.Do not cap the fuel tank vent. Excessivepressure could damage the boat and motor’sfuel systems.A partially filled fuel tank, less than 7/8 fullbut not completely empty, is not recommend-ed. Air space above the gasoline allows airmovement which can bring in water throughcondensation as the air temperature chang-es.Condensation inside the fuel tank can causecorrosion problems and phase separation ofgasoline containing ethanol.Consult your Yamaha dealer concerning pre-ventative measures that may work best forthe gasoline and environmental conditions inyour area.EMU28306

ProcedureEMU41142

Cleaning the outboard motorWhen cleaning the outboard motor, the topcowling must be installed.1. Wash the exterior of the outboard motor

using fresh water. NOTICE: Do notspray water into the air intake. [ECM01841]

2. Drain the cooling water completely out ofthe outboard motor. Clean the body thor-oughly.

EMU41072

Lubrication1. Change the gear oil. For instructions,

see page 94. Check the gear oil for thepresence of water that indicates a leakyseal. Seal replacement should be per-formed by an authorized Yamaha dealerprior to use.

2. Lubricate all grease fittings. For furtherdetails, see page 82.

TIP:For long-term storage, fogging the enginewith fogging oil is recommended. Contactyour Yamaha dealer for information aboutfogging oil and procedures for your outboardmotor.EMU41154

Cleaning and anticorrosion measures1. Wash the exterior of the outboard motor

using fresh water, and then dry the out-board motor completely. For instructionson cleaning the outboard motor, seepage 76. NOTICE: Do not spray waterinto the air intake. [ECM01841]

2. Spray the outboard motor powerheadwith “Yamaha Silicone Protectant.”

3. Wax the cowling with a non-abrasivewax such as “Yamalube ProfessionalPolish.”

EMU40964

Flushing cooling water passagePerform this procedure right after operationfor the most thorough flushing.

NOTICEECM01531

Do not perform this procedure while theengine is running. The water pump maybe damaged and severe damage fromoverheating can result.

1. Disconnect the garden hose connector

1. Air intake

1

ZMU07209



Maintenance

77

from the fitting on the bottom cowling.

2. Connect the garden hose to the gardenhose connector.

3. With the engine off, turn on the watersupply and let the water flush throughthe cooling water passages for about 15minutes.

4. Turn off the water supply, and then dis-connect the garden hose from the gar-den hose connector.

5. Connect the garden hose connector tothe fitting on the bottom cowling andtighten it securely. NOTICE: If the gar-den hose connector is not properlyconnected, cooling water can leakout and the engine can overheat dur-ing operation. [ECM01802]

TIP:When flushing the cooling water passageswith the boat in the water, tilting the outboardmotor up until it is completely out of the waterwill achieve better results.EMU28463

Checking painted surface of outboard motorCheck the outboard motor for scratches,nicks, or flaking paint. Areas with damagedpaint are more likely to corrode. If necessary,clean and paint the areas. Touch-up paint isavailable from your Yamaha dealer.EMU2848F

Periodic maintenance

WARNINGEWM01872

These procedures require mechanicalskills, tools, and supplies. If you do nothave the proper skills, tools, or suppliesto perform a maintenance procedure,have a Yamaha dealer or other qualifiedmechanic do the work.The procedures involve disassemblingthe motor and exposing dangerous parts.To reduce the risk of injury from moving,hot, or electrical parts: Turn off the engine and keep the key(s)

and engine shut-off cord (lanyard) withyou when you perform maintenance un-less otherwise specified.

The power trim and tilt switches oper-ate even when the ignition key is off.Keep people away from the switcheswhenever working around the motor.When the motor is tilted, keep awayfrom the area under it or between it andthe clamp bracket. Be sure no one is inthis area before operating the powertrim and tilt mechanism.

Allow the engine to cool before han-

1. Fitting2. Garden hose connector3. Garden hose adapter

1

2

3

ZMU05844



Maintenance

78

dling hot parts or fluids. Always completely reassemble the mo-

tor before operation.

Maintenance, replacement, or repair ofthe emission control devices and sys-tems may be performed by any marineengine repair establishment or individual.All warranty repairs, however, includingthose to the emission control system,must be performed by an authorizedYamaha marine dealership.A service manual is available for purchasethrough your Yamaha dealer for owners whohave the mechanical skills, tools, and otherequipment necessary to perform mainte-nance not covered by this owner’s manual.EMU28512

Replacement partsIf replacement parts are necessary, use onlygenuine Yamaha parts or parts of equivalentdesign and quality. Any part of inferior qualitymay malfunction, and the resulting loss ofcontrol could endanger the operator andpassengers. Yamaha genuine parts and ac-cessories are available from your Yamahadealer.EMU35522

Maintenance interval guidelinesThe service intervals provided in the Mainte-nance Chart were developed based upon“typical” use that includes operating at variedspeeds, with sufficient time for engine warmup and cool-down, a medium to light load,and an average cruising speed near the3000 to 4000 rpm range. As with any engine,however, if your normal operating conditionsare different, you should consider servicemore often than shown, especially how oftenyou change your engine oil and gear oil. Ex-amples might include extended wide-open-throttle use or long periods of trolling or

idling, carrying heavy loads, or frequentstarting and stopping or shifting. More fre-quent maintenance will often pay off manytimes over in increased engine life and great-er owner satisfaction. Consult your Yamahadealer for additional maintenance recom-mendations.



Maintenance

79

EMU46073

Maintenance chart 1TIP: Refer to the sections in this chapter for explanations of each owner-specific action. The maintenance cycle on these charts assume usage of 100 hours per year and regular

flushing of the cooling water passages. Maintenance frequency should be adjusted whenoperating the engine under adverse conditions such as extended trolling.

Disassembly or repairs may be necessary depending on the outcome of maintenancechecks.

Expendable or consumable parts and lubricants will lose their effectiveness over time andthrough normal usage regardless of the warranty period.

When operating in salt water, muddy, other turbid (cloudy), acidic water, the engine shouldbe flushed with clean water after each use.

The “ ” symbol indicates the check-ups which you may carry out yourself.The “ ” symbol indicates work to be carried out by your Yamaha dealer.

Item Actions

Initial Every

Page20 hours (3 months)

100 hours (1 year)

300 hours (3 years)

500 hours (5 years)

Anode(s) (external)Inspection or replacement as necessary

96

Anode(s) (internal) *1

Inspection or replacement as necessary

—

Anode(s) (internal) *2

Replacement —

Battery (electro-lyte level, terminal)

Inspection 97

Battery (electro-lyte level, terminal)

Fill, charging or replacing as nec-essary

—

Cooling water leak-age


—

Cowling lock lever Inspection 58, 60

Engine starting condition/noise

Inspection 63

Engine idle speed/noise

Inspection 84

Engine oil Replacement 85

Engine oil filter (cartridge)

Replacement 90



Maintenance

80

Fuel filter (can be disassembled)


59

Fuel line (High pressure)

Inspection —

Fuel line (High pressure)


—

Fuel line (Low pressure)

Inspection —

Fuel line (Low pressure)


—

Fuel pump Inspection or replacement as necessary

—

Fuel/engine oil leakage

Inspection —

Gear oil Replacement 94

Greasing points Greasing 82

Clamp bracket bolt (through tube)

Inspection and greasing

—

Impeller/water pump housing


—

Impeller/water pump housing

Replacement —

OCV (Oil Control Valve) filter

Replacement —

Power trim and tilt unit

Inspection 62

Propeller/propeller nut/cotter pin


92

Spark plug(s)Inspection or replacement as necessary

82

Ignition coils/igni-tion coil leads


—

Item Actions

Initial Every


100 hours (1 year)

300 hours (3 years)

500 hours (5 years)



Maintenance

81

EMU46240

*1 cylinder head exhaust passage*2 cylinder head, cylinder block, cylinder block thermostat portion, oil cooler cover, exhaustguideEMU46082

Maintenance chart 2

Shift Dampener System (SDS) pro-peller damper

Inspection or replacement

—

Water from the cooling water pilot hole

Inspection 65

ThermostatInspection or replacement as necessary

—

Timing beltInspection or replacement as necessary

—

Valve clearanceInspection and adjustment

—

Cooling water inlet Inspection 26

Main switch/stop switch


—

Wire harness con-nections/wire cou-pler connections


—

Connector connec-tions/lead connec-tions


—

(Yamaha) Meter/gauge

Inspection —

Item ActionsEvery

Page1000 hours

Exhaust guide/exhaust manifold


—

Timing belt Replacement —

Item Actions

Initial Every


100 hours (1 year)

300 hours (3 years)

500 hours (5 years)



Maintenance

82

EMU41303

GreasingYamalube Marine Grease

EMU40666

Inspecting spark plugThe spark plug is an important engine com-

ponent. The condition of the spark plug canindicate something about the condition of theengine. For example, if the center electrode



Maintenance

83

porcelain is very white, this could indicate anintake air leak or carburetion problem in thatcylinder. Do not attempt to diagnose anyproblems yourself. Instead, take the out-board motor to a Yamaha dealer. You shouldperiodically remove and check the sparkplug because heat and deposits will causethe spark plug to slowly break down anderode.To remove the spark plug1. Remove the flywheel magnet cover after

removing the bolt.

2. Remove the ECM (Electronic ControlModule) cover.

3. Remove the bolt that is securing the ig-nition coil, and then remove the ignitioncoil. NOTICE: Do not use any tools toremove or install the ignition coil.Otherwise, the ignition coil couplercould be damaged. [ECM02331]

4. Remove the spark plug. WARNING!When removing or installing a sparkplug, be careful not to damage the in-sulator. A damaged insulator couldallow external sparks, which couldlead to explosion or fire. [EWM00562]

1. Flywheel magnet cover2. Bolt

1 2

ZMU07182

1. ECM (Electronic Control Module) cover

1. Bolt2. Ignition coil

1

ZMU07183

21

121

1

1

12

2

2

2

ZMU06973



Maintenance

84

To check the spark plug1. Check the condition of the spark plug. If

electrode erosion becomes excessive orcarbon and other deposits are exces-sive, replace the spark plug with thespecified plug.

2. Measure the spark plug gap using athickness gauge. If the spark plug gap isout of specification, replace the sparkplug with the specified plug.

To install the spark plug1. Wipe off any dirt from the threads, insu-

lator, and gasket surface of the sparkplug.

2. Install the spark plug, and then tighten itto the specified torque.

TIP:If a torque-wrench is not available when youare reinstalling a spark plug, a good estimateof the correct torque is 1/12 turn past finger-tight. When you are installing a new sparkplug, a good estimate of the correct torque is1/2 to 2/3 turn past finger-tight.3. Install the ignition coil, and then tighten

the bolt to the specified torque.

4. Install the ECM cover.5. Install the flywheel magnet cover, and

then tighten the bolt to the specifiedtorque.

EMU41872

Inspecting engine idle speed

NOTICEECM01691

This procedure must be performed whilethe outboard motor is in the water.

Inspect the engine idle speed using the me-ter that is equipped on the boat. Results mayvary depending on whether testing is con-ducted with the outboard motor in the water.1. Start the engine and allow it to warm up

fully in neutral until it is running smooth-

Standard spark plug:LFR6A-11

1. Spark plug gap2. Spark plug part number3. Spark plug I.D. mark (NGK)

Spark plug gap:1.0–1.1 mm (0.039–0.043 in)

ZMU06948

Spark plug tightening torque:28 N·m (2.8 kgf·m, 21 lb·ft)

Bolt tightening torque:8 N·m (0.8 kgf·m, 5.9 lb·ft)

Bolt tightening torque:8 N·m (0.8 kgf·m, 5.9 lb·ft)



Maintenance

85

ly.2. Inspect the engine idle speed. If the en-

gine idle speed is out of specification,consult a Yamaha dealer or other quali-fied mechanic.

EMU41208

Changing engine oil

WARNINGEWM00761

Avoid draining the engine oil immedi-ately after stopping the engine. The oilis hot and should be handled with careto avoid burns.

Be sure the outboard motor is securelyfastened to the transom or a stablestand.

NOTICEECM01711

Change the engine oil after the first 20hours of operation or 3 months, and ev-ery 100 hours or at 1-year intervals there-after. Otherwise the engine will wearquickly.

To prevent spilling oil where it could causedamage to nature, it is strongly recommend-ed that you use an oil changer to change theengine oil. If an oil changer is not available,drain the engine oil by removing the drainscrew. If you are not familiar with the proce-dure for changing the engine oil, consult yourYamaha dealer.Changing the engine oil using an oil changer(recommended)1. Put the outboard motor in an upright po-

sition (not tilted). NOTICE: If the out-board motor is not level, the oil levelindicated on the oil dipstick may not

be accurate. [ECM01862]

2. Start the engine. Warm it up and keepthe idle speed for 5-10 minutes.

3. Stop the engine and leave it for 5-10minutes.

4. Remove the top cowling.5. Remove the oil filler cap.

6. Remove the oil dipstick.

Idle speed (in neutral):650–750 r/min

1. Oil filler cap

1. Oil dipstick

ZMU05843

1

ZMU06951

1

ZMU07157



Maintenance

86

7. Insert the tube of the oil changer into theoil dipstick guide, and then extract theengine oil completely.

8. Add the correct amount of oil through thefiller hole. NOTICE: Overfilling the oilcould cause leakage or damage. If theoil level is above the upper levelmark, drain until the level meets thespecified capacity. [ECM01851]

9. Install the oil filler cap and oil dipstick.

10. Leave the outboard motor for 5-10 min-utes.

11. Remove the oil dipstick and wipe itclean.

12. Insert the dipstick and remove it again.Be sure to completely insert the dipstickinto the dipstick guide, otherwise the oillevel measurement will be incorrect.

13. Recheck the oil level using the dipstickto be sure the level falls between the up-per and lower marks. Consult yourYamaha dealer if the oil level is out ofspecified level.

14. Start the engine and make sure that thelow oil pressure-alert indicator remainsoff. Also, make sure that there are no oilleaks. NOTICE: If the low oil pressure-alert indicator comes on or if thereare oil leaks, stop the engine and findthe cause. Continued operation witha problem could cause severe enginedamage. Consult your Yamaha dealerif the problem cannot be located andcorrected. [ECM01623]

15. Install the top cowling.16. Dispose of used oil according to local

regulations.

1. Oil changer




6.3 L (6.66 US qt, 5.54 Imp.qt)

1 ZMU07184

ZMU07020


1 2

3

ZMU06918



Maintenance

87

TIP: For more information on the disposal of

used oil, consult your Yamaha dealer. Change the oil more often when operating

the engine under adverse conditions suchas extended trolling.

Changing the engine oil by draining the oil1. Put the outboard motor in an upright po-

sition (not tilted). NOTICE: If the out-board motor is not level, the oil levelindicated on the oil dipstick may notbe accurate. [ECM01862]

2. Start the engine. Warm it up and keepthe idle speed for 5-10 minutes.

3. Stop the engine and leave it for 5-10minutes.

4. Remove the top cowling.5. Remove the screws.

6. Remove the bolts.

7. Remove the apron from starboard sideas shown in the illustration.

ZMU05843

1. Screw

1. Bolt

1

ZMU07956

1

11

1

ZMU07957



Maintenance

88

8. Remove the oil filler cap.

9. Prepare a suitable container that holds alarger amount than the engine oil capac-ity. Remove the drain screw and gasketwhile holding the container under thedrain hole. Let the oil drain completely.Wipe up any spilled oil immediately.

TIP:If the oil does not drain easily, change the tiltangle or turn the outboard motor to port andstarboard to drain the oil.10. Put a new gasket on the drain screw.

Apply a light coat of oil to the gasket andinstall the drain screw.

TIP:If a torque wrench is not available when youare installing the drain screw, finger tightenthe screw just until the gasket comes intocontact with the surface of the drain hole.Then tighten 1/4 to 1/2 turn more. Tightenthe drain screw to the correct torque with atorque wrench as soon as possible.11. Add the correct amount of oil through the

filler hole. NOTICE: Overfilling the oilcould cause leakage or damage. If theoil level is above the upper level

1. Apron

1. Oil filler cap

1

ZMU07958

1

ZMU06951

1. Drain screw2. Gasket

Drain screw tightening torque:27 N·m (2.7 kgf·m, 20 lb·ft)

1

2

ZMU07959



Maintenance

89

mark, drain until the level meets thespecified capacity. [ECM01851]

12. Install the oil filler cap.13. Leave the outboard motor for 5-10 min-

utes.14. Remove the oil dipstick and wipe it

clean.

15. Insert the dipstick and remove it again.Be sure to completely insert the dipstickinto the dipstick guide, otherwise the oil

level measurement will be incorrect.16. Recheck the oil level using the dipstick

to be sure the level falls between the up-per and lower marks. Consult yourYamaha dealer if the oil level is out ofspecified level.

17. Start the engine and make sure that thelow oil pressure-alert indicator remainsoff. Also, make sure that there are no oilleaks. NOTICE: If the low oil pressure-alert indicator comes on or if thereare oil leaks, stop the engine and findthe cause. Continued operation witha problem could cause severe enginedamage. Consult your Yamaha dealerif the problem cannot be located andcorrected. [ECM01623]

18. Install the apron on the starboard side asshown in the illustration.




6.3 L (6.66 US qt, 5.54 Imp.qt)

1. Oil dipstick

ZMU07020

1

ZMU07157


1 2

3

ZMU06918



Maintenance

90

19. Apply LOCTITE 572 to the threads of thebolts and then install the bolts.

20. Apply LOCTITE 572 to the threads of thescrews and then install the screws.

TIP:LOCTITE 572 is used as a sealant.21. Install the top cowling.22. Dispose of used oil according to local

regulations.

TIP: For more information on the disposal of

used oil, consult your Yamaha dealer. Change the oil more often when operating

the engine under adverse conditions suchas extended trolling.

EMU48110

Replacing the engine oil filter

WARNINGEWM00761

Avoid draining the engine oil immedi-ately after stopping the engine. The oilis hot and should be handled with careto avoid burns.

Be sure the outboard motor is securelyfastened to the transom or a stablestand.

Yamaha recommends you to have aYamaha dealer replace the engine oil filter.

1. Apron

1. Bolt

1

ZMU07960

1

1

1

ZMU07961

1. Screw

1

ZMU07956



Maintenance

91

If you perform replacement yourself, followthe procedure below. If you have any ques-tions, please consult a Yamaha dealer.1. Drain the engine oil. For further informa-

tion, see page 85.2. Place a cloth under the engine oil filter.3. Turn the engine oil filter counterclock-

wise and remove it.

TIP: Wipe up any spilled engine oil. Dispose of the removed engine oil filter in

accordance with local regulations.4. Apply engine oil to the O-ring of the en-

gine oil filter.

5. Turn the engine oil filter clockwise andtighten it to the specified torque.

6. Fill up the engine with engine oil. For fur-ther information, see page 85.

EMU48060

Why YamalubeYAMALUBE oil is a Genuine YAMAHA Partborn of the engineers’ passion and belief thatengine oil is an important liquid engine com-ponent. We form teams of specialists in thefields of mechanical engineering, chemistry,electronics and track testing, and have themdevelop the engine together with the oil it willuse. Yamalube oils take full advantage of thebase oil’s qualities and blend in the ideal bal-ance of additives to make sure the final oilclears our performance standards. Thus, Ya-malube mineral, semisynthetic and syntheticoils have their own distinct characters andvalue. Yamaha’s experience gained overmany years of research and developmentinto oil since the 1960’s helps make Yama-lube the best choice for your Yamaha en-gine.

1. O-ring

1

Engine oil filter:18 N·m (1.8 kgf·m, 13 lb·ft)



Maintenance

92

EMU29116

Inspecting wiring and connectors Inspect that each connector is engaged

securely. Inspect that each ground lead is properly

secured.

EMU41671

Inspecting propeller

WARNINGEWM02681

You could be seriously injured if the en-gine accidentally starts when you arenear the propeller. Before inspecting, re-moving, or installing the propeller, movethe control lever to the neutral position,turn the main switch to the “ ” (off) po-sition, remove the key, and remove theclip from the engine shut-off switch. Turnoff the battery cut-off switch if your boathas one.

Do not use your hand to hold the propellerwhen loosening or tightening the propellernut. Place a block of wood between the anti-cavitation plate and the propeller to preventthe propeller from turning.

Checkpoints Check each of the propeller blades for ero-

sion from cavitation or ventilation, and oth-er damage.

Check the propeller shaft for damage. Check the splines for wear and damage. Check for fish line tangled around the pro-

peller shaft.

ZMU07186

ZMU07185

ZMU06953



Maintenance

93

EMU41992

Removing propeller1. Straighten the cotter pin and pull it out

using a pair of pliers.2. Remove the propeller nut, washer, and

spacer. WARNING! Do not use yourhand to hold the propeller when loos-ening the propeller nut. [EWM01891]

3. Remove the propeller and thrust wash-er.

EMU41963

Installing propeller

WARNINGEWM00771

On counter rotation models, be sure touse a propeller intended for counter-clockwise rotation. These propellers areidentified with the letter “L” after the sizeindication on the propeller. Otherwise theboat could move in the opposite directionfrom that expected.

NOTICEECM00502

Make sure to use a new cotter pin andbend the ends over securely. Otherwise,the propeller could come off during oper-ation and be lost.

1. Apply Yamalube Marine Grease to thepropeller shaft.

2. Install the thrust washer and propeller onthe propeller shaft. NOTICE: Make sureto install the thrust washer before in-stalling the propeller. Otherwise, thelower case and propeller boss couldbe damaged. [ECM01882]

3. Install the spacer, washer, and propellernut. Tighten the propeller nut to thespecified torque.

1. Propeller shaft

1. Cotter pin2. Propeller nut3. Washer4. Spacer5. Propeller6. Thrust washer

1ZMU06954

4 3 2

1

56

1. Cotter pin2. Propeller nut

4 3 2

1

56



Maintenance

94

4. Align the propeller nut slot with the pro-peller shaft hole. Insert a new cotter pinin the hole and bend the cotter pin ends.NOTICE: Do not reuse the cotter pin.Otherwise, the propeller can come offduring operation. [ECM01892]

TIP:If the propeller nut slot does not align with thepropeller shaft hole after tightening the pro-peller nut to the specified torque, tighten thenut further to align the slot with the hole.EMU47090

Changing gear oil

WARNINGEWM02531

Make sure that the outboard motor ismounted securely to the transom or astable stand. You could be severely in-jured if the outboard motor falls on you.

Never get under the lower unit while itis tilted. Severe injury could occur if the

outboard motor accidentally falls.

Before filling the lower unit with gear oil, theoutboard motor must be placed in a verticalposition. If you are not able to place the out-board motor in a vertical position, have aYamaha dealer change the gear oil.1. Tilt the outboard motor so that the gear

oil drain screw is at the lowest point pos-sible.

2. Place a suitable container under thegear case.

3. Loosen the bolt, and then remove thecooling water inlet covers on both sidesof the gear case.

4. Remove the gear oil drain screw andgasket.

3. Washer4. Spacer5. Propeller6. Thrust washer

Propeller nut tightening torque:54 N·m (5.4 kgf·m, 40 lb·ft)

1. Cotter pin

1

ZMU06956

1. Cooling water inlet cover2. Bolt

11 2

ZMU07189



Maintenance

95

5. Remove the oil level plug and gasket toallow the gear oil to drain completely.NOTICE: Check the used gear oil afterit has been drained. If the gear oil ismilky or contains water or a largeamount of metal particles, the gearcase may be damaged. Have aYamaha dealer check and repair theoutboard motor. [ECM00714]

TIP:For disposal of used gear oil, consult yourYamaha dealer.

6. Remove any metal particles on the mag-netic gear oil drain screw. NOTICE: If

there is an excessive quantity of met-al particles on the magnetic gear oildrain screw, this can indicate lowerunit problem. Consult your Yamahadealer. [ECM01901]

7. Place the outboard motor in a verticalposition. Using a flexible or pressurizedfilling device, inject the gear oil into thegear oil drain screw hole.

8. Put a new gasket on the oil level plug.When the gear oil begins to flow out ofthe oil level plug hole, insert and tightenthe oil level plug to the specified torque.

TIP:Apply a light coat of gear oil to the oil levelplug thread and gasket before installation.

9. Put a new gasket on the gear oil drainscrew. Insert and tighten the gear oildrain screw to the specified torque.

1. Gear oil drain screw2. Gasket

1. Oil level plug2. Gasket

1 2

ZMU07190

1 2

ZMU07191

Recommended gear oil:Yamalube Marine Gearcase Lube HD or Hypoid gear oil

Recommended gear oil grade:SAE 80W API GL-5 / SAE 90 API GL-5

Gear oil quantity:1.040 L (1.099 US qt, 0.915 Imp.qt)

Tightening torque:7 N·m (0.7 kgf·m, 5.2 lb·ft)



Maintenance

96

TIP:Apply a light coat of gear oil to the gear oildrain screw thread and gasket before instal-lation.

10. Install the cooling water inlet covers onboth sides of the gear case, and thentighten the bolt to the specified torque.

EMU29318

Inspecting and replacing anode(s)Yamaha outboard motors are protected fromcorrosion by sacrificial anodes. Inspect theexternal anodes periodically. Remove scalesfrom the surfaces of the anodes. Consult aYamaha dealer for replacement of externalanodes.

NOTICEECM00721

Do not paint anodes, as this would renderthem ineffective.

TIP:Inspect ground leads attached to externalanodes on equipped models. Consult aYamaha dealer for inspection and replace-ment of internal anodes attached to the pow-er unit.

Tightening torque:7 N·m (0.7 kgf·m, 5.2 lb·ft)

Tightening torque:2.0 N·m (0.20 kgf·m, 1.5 lb·ft)

1. Anode

1



Maintenance

97

EMU29324

Checking battery (for electric start models)

WARNINGEWM01903

Battery electrolyte is poisonous andcaustic, and batteries generate explosivehydrogen gas. When working near thebattery: Wear protective eye gear and rubber

gloves. Do not smoke or bring any other source

of ignition near the battery.

The procedure for checking the battery var-ies for different batteries. This procedurecontains typical checks that apply to manybatteries, but you should always refer to thebattery manufacturer’s instructions.

NOTICEECM01921

A poorly maintained battery will quicklydeteriorate.

1. Check the electrolyte level.

2. Check the battery’s charge. If your boatis equipped with the digital speedome-ter, the voltmeter and low battery alertfunctions will help you monitor the bat-tery’s charge. If the battery needs charg-ing, consult your Yamaha dealer.

3. Check the battery connections. They

should be clean, secure, and covered byan insulating cover. WARNING! Badconnections can produce shorting orarcing and cause an explosion.[EWM01913]

EMU35496

Connecting the battery

WARNINGEWM00573

Mount the battery holder securely in adry, well-ventilated, vibration-free loca-tion in the boat. Install a fully charged bat-tery in the holder.

NOTICEECM01125

Do not reverse the battery cables. Other-wise, the electrical parts could be dam-aged.

1. Make sure the main switch (on applica-ble models) is “ ” (off) before workingon the battery.

2. Connect the red battery cable to thePOSITIVE (+) terminal first. Then con-nect the black battery cable to the NEG-ATIVE (-) terminal.

3. The electrical contacts of the battery andcables must be clean and properly con-

1. Red cable2. Black cable3. Battery

ZMU01811

1

23



Maintenance

98

nected, or the battery will not start theengine.

Connecting an accessory battery (optional) If connecting an accessory battery, consultyour Yamaha dealer about correct wiring.For the fuse size, see ABYC (E-11).Single engine

Twin engines

EMU29372

Disconnecting the battery1. Turn off the battery cut-off switch (if

equipped) and main switch. NOTICE: Ifthey are left on, the electrical systemcan be damaged. [ECM01931]

2. Disconnect the negative cable(s) fromthe negative (-) terminal. NOTICE: Al-ways disconnect all negative (-) ca-bles first to avoid a short circuit anddamage to the electrical system.[ECM01941]

1. Isolator leads with circuit protection2. Red cable3. Black cable4. Fuse5. Battery for accessories6. Battery for starting7. Negative connecting cable

2 1

7

6 5

3

4

ZMU05939

1. Starboard side engine2. Port side engine3. Red cable4. Black cable5. Isolator leads with circuit protection6. Fuse7. Battery for starting8. Battery for accessories9. Negative connecting cable

ZMU05941

1

3

9

34

6

4

2

5

7 8 7



Maintenance

99

3. Disconnect the positive cable(s) and re-move the battery from the boat.

4. Clean, maintain, and store the batteryaccording to the manufacturer’s instruc-tions.

EMU38661

Storing the batteryWhen storing your Yamaha outboard motorfor prolonged periods of time (2 months orlonger), remove the battery and store it in acool, dry place.Check the battery and charge it if necessary.



100

Trouble RecoveryEMU41861

TroubleshootingThis section describes the likely causes andremedies for problems, such as those in thefuel, compression, and ignition systems,poor starting, and loss of power. Please notethat all of the items in this section may notapply to your model.If your outboard motor requires repair, bringit to a Yamaha dealer.If the engine trouble-alert indicator is blink-ing, consult your Yamaha dealer.

Starter will not operate.Q. Does the Digital electronic control-alert in-dicator come on?A. Have serviced by a Yamaha dealer.

Q. Is control lever in gear?A. Shift to neutral.

Q. Is battery capacity low or weak?A. Check battery condition. Use battery ofrecommended capacity.

Q. Are battery connections corroded orloose?A. Tighten battery cables and clean batteryterminals.

Q. Is fuse for starter relay or electric circuitblown?A. Check for cause of electric overload andrepair. Replace fuse with one of correct am-perage.

Q. Are starter components malfunctioning?A. Have serviced by a Yamaha dealer.

Engine will not start (starter operates).Q. Is clip on engine shut-off cord (lanyard) in-

stalled?A. Install clip to engine shut-off switch.

Q. Is fuel tank empty?A. Fill tank with clean, fresh fuel.

Q. Is fuel contaminated or stale?A. Fill tank with clean, fresh fuel.

Q. Is fuel filter clogged?A. Clean or replace fuel filter.

Q. Is fuel pump malfunctioning?A. Have serviced by a Yamaha dealer.

Q. Are spark plugs fouled or of incorrecttype?A. Inspect spark plugs. Clean or replace withrecommended type.

Q. Are ignition parts malfunctioning?A. Have serviced by a Yamaha dealer.

Q. Is ignition wiring damaged or poorly con-nected?A. Inspect wires for breaks and wear. Haveconnections tightened and broken or wornwires replaced by a Yamaha dealer.

Q. Are engine inner parts damaged?A. Have serviced by a Yamaha dealer.

Engine idles irregularly or stalls.Q. Are spark plugs fouled or of incorrecttype?A. Inspect spark plugs. Clean or replace withrecommended type.

Q. Is fuel system clogged?A. Inspect for pinched or kinked fuel line orother obstructions in fuel system.



Trouble Recovery

101



Q. Are ignition parts malfunctioning?A. Have serviced by a Yamaha dealer.

Q. Has alert system activated?A. Find and correct cause of alert.

Q. Is spark plug gap incorrect?A. Replace spark plug.


Q. Is specified engine oil not being used?A. Inspect engine oil and replace with speci-fied type.

Q. Is thermostat clogged or malfunctioning?A. Have serviced by a Yamaha dealer.


Q. Is fuel tank air vent restricted or clogged?A. Remove obstruction.

Q. Is fuel joint connection incorrect?A. Connect correctly.

Q. Is battery cable disconnected?A. Connect securely.

Alert buzzer sounds or indicator lights.Q. Is cooling system clogged?A. Inspect cooling water inlet for obstruc-tions.

Q. Is low oil pressure-alert indicator on orblinking?A. Have serviced by a Yamaha dealer.

Q. Is heat range of spark plugs incorrect?A. Inspect spark plugs and replace with rec-ommended type.

Q. Is specified engine oil not being used?A. Inspect engine oil and replace with speci-fied type.

Q. Is engine oil contaminated or deteriorat-ed?A. Replace engine oil with specified type.

Q. Is oil filter clogged?A. Have serviced by a Yamaha dealer.

Q. Is oil pump malfunctioning?A. Have serviced by a Yamaha dealer.

Q. Is thermostat or water pump malfunction-ing?A. Have serviced by a Yamaha dealer.

Q. Is there excess water in fuel filter?A. Drain fuel filter.

Engine power loss.Q. Is propeller damaged?A. Have propeller repaired or replaced.

Q. Is propeller pitch or diameter incorrect?A. Install correct propeller to operate out-board motor at its recommended speed



Trouble Recovery

102

(r/min) range.

Q. Is outboard motor mounted at incorrectheight on transom?A. Have outboard motor adjusted to propertransom height.

Q. Has alert system activated?A. Find and correct cause of alert.

Q. Is boat bottom fouled with marine growth?A. Clean boat bottom.

Q. Are spark plugs fouled or of incorrecttype?A. Inspect spark plugs. Clean or replace withrecommended type.

Q. Are weeds or other foreign material tan-gled on gear housing?A. Remove foreign material and clean lowerunit.

Q. Is fuel system clogged?A. Inspect for pinched or kinked fuel line orother obstructions in fuel system.



Q. Is spark plug gap incorrect?A. Replace spark plug.


Q. Are electrical parts malfunctioning?A. Have serviced by a Yamaha dealer.

Q. Is specified fuel not being used?A. Replace fuel with specified type.

Q. Is specified engine oil not being used?A. Replace engine oil with specified type.

Q. Is thermostat clogged or malfunctioning?A. Have serviced by a Yamaha dealer.

Q. Is fuel tank air vent restricted or clogged?A. Remove obstruction.


Q. Is fuel joint connection incorrect?A. Connect correctly.

Q. Is heat range of spark plugs incorrect?A. Inspect spark plugs and replace with rec-ommended type.

Q. Is engine not responding properly to con-trol lever position?A. Have serviced by a Yamaha dealer.

Engine vibrates excessively.Q. Is propeller damaged?A. Have propeller repaired or replaced.

Q. Is propeller shaft damaged?A. Have serviced by a Yamaha dealer.

Q. Are weeds or other foreign material tan-gled on propeller?A. Remove and clean propeller.



Trouble Recovery

103

Q. Are outboard motor mounting bolts loose?A. Tighten bolts or have serviced by aYamaha dealer.

Q. Is steering pivot loose or damaged?A. Have serviced by a Yamaha dealer.EMU29435

Temporary action in emergency

EMU29442

Impact damage

WARNINGEWM00871

The outboard motor can be seriouslydamaged by a collision while operating ortrailering. Damage could make the out-board motor unsafe to operate.

If the outboard motor hits an object in the wa-ter, follow the procedure below.

1. Stop the engine immediately.2. Check the control system and all compo-

nents for damage. Also, check the boatfor damage.

3. Whether damage is found or not, returnto the nearest harbor slowly and careful-ly.

4. Have a Yamaha dealer check the out-board motor before operating it again.

EMU29454

Running single engine (twin engines)When using only one engine in an emergen-

cy, be sure to keep the unused one tilted upand operate the other engine at low speed.

NOTICEECM00371

If the boat is operated with one engine inthe water but not running, water may runinto the exhaust pipe due to wave action,causing engine trouble.

TIP:When you are maneuvering at low speed,such as near a dock, it is recommended thatboth engines be running with one in neutralgear if possible.EMU41883

Replacing fuse

WARNINGEWM00632

Substituting an incorrect fuse or a pieceof wire could allow excessive currentflow. This could cause electric systemdamage and a fire hazard.

If a fuse has blown, replace the fuse accord-ing to the following procedure.1. Turn the main switch to the “ ” (off)

position.2. Remove the fuse box cover.3. When replacing the main fuse or isolator

fuse, remove the screws, and then re-move the fuse. Install the spare fuse,and then tighten the screws.



Trouble Recovery

104

4. When replacing a fuse other than themain fuse or isolator fuse, remove the

fuse using the fuse puller. Install a sparefuse of the proper amperage.

Consult your Yamaha dealer if the new fuseimmediately blows again.EMU40984

Power trim and tilt unit will not operate

WARNINGEWM02331

Never get under the engine while it is tilt-ed. Severe injury could occur if the out-board motor accidentally falls.

If the outboard motor cannot be tilted up ordown using the power trim and tilt unit be-cause of a discharged battery or a failurewith the power trim and tilt unit, the outboardmotor can be tilted manually.1. Stop the engine.2. Loosen the manual valve screw by turn-

ing it counterclockwise until it stops.

1. Fuse box cover2. Main fuse (100 A)3. Isolator fuse (100 A)4. Fuel feed pump fuse (10 A)5. Main switch / PTT switch / Digital electronic control ECM (Electronic control module) fuse (20 A)6. Shift actuator fuse (15 A)7. Starting switch (30 A)8. Ignition coil / Fuel injector / Variable cam-shaft timing / Engine ECM (Electronic control module) fuse (30 A)9. Electric throttle valve fuse (10 A)10. Fuel pump fuse (15 A)11. Screw

1. Spare fuse (100 A)2. Spare fuse (10 A, 15 A, 20 A, 30 A)3. Fuse puller

3

111

108 976542

ZMU07195

2

1 23

ZMU06961

1. Fuse puller

1

ZMU04337



Trouble Recovery

105

3. Tilt the outboard motor up manually tothe desired position, and then tighten themanual valve screw by turning it clock-wise.

EMU41891

Water separator-alert indicator blinks while cruising

WARNINGEWM02543

Gasoline is highly flammable, and its va-pors are flammable and explosive. Do not perform this procedure on a hot

or running engine. Allow the engine tocool.

There will be fuel in the fuel filter. Keepaway from sparks, cigarettes, flames orother sources of ignition.

Some fuel will spill during this proce-dure. Catch the fuel in a rag. Wipe upany spilled fuel immediately.

The fuel filter must be reassembledcarefully with the O-ring and filter cupin place. Improper assembly or replace-ment could result in a fuel leak, whichcould result in a fire or explosion haz-ard.

If the water separator-alert indicator blinks,perform the following procedure.

1. Stop the engine.2. Remove the top cowling.3. Remove the bolts, and then remove the

fuel filter cover.

4. Disconnect the water detection switchcoupler. NOTICE: Be careful not to getany water on the water detectionswitch coupler, otherwise a malfunc-tion could occur. [ECM01951]

5. Remove the filter cup from the filterhousing, and then remove the O-ringfrom the filter cup. NOTICE: Be carefulnot to twist the water detectionswitch lead when unscrewing the fil-ter cup. [ECM01961]

1. Manual valve screw

1

ZMU07196

1. Bolt2. Fuel filter cover

1. Water detection switch coupler

2

1

1

ZMU07519

1

ZMU07520



Trouble Recovery

106

6. Drain the water in the filter cup by soak-ing it up with a rag.

7. Put the O-ring on the filter cup in its orig-inal position, and then install the filtercup onto the filter housing. NOTICE: Becareful not to twist the water detec-tion switch lead when screwing thefilter cup onto the filter housing.[ECM01971]

8. Connect the water detection switch cou-pler securely until a click is heard.

9. Install the fuel filter cover, and then tight-

en the bolts.10. Install the top cowling.11. Turn the main switch to the “ ” (on) po-

sition and check that the water separa-tor-alert indicator remains off and thebuzzer does not sound. If the water sep-arator-alert indicator blinks or the buzzersounds, have your Yamaha dealercheck the outboard motor. NOTICE: Al-though the buzzer will stop when theengine is started and the control leveris moved to the forward or reverseposition, do not use the outboard mo-tor. Otherwise, serious engine dam-age could occur. [ECM02481]

EMU33502

Treatment of submerged motorIf the outboard motor is submerged, immedi-ately take it to a Yamaha dealer. Otherwisesome corrosion may begin almost immedi-ately. NOTICE: Do not attempt to run theoutboard motor until it has been com-pletely inspected. [ECM00402]

1. Filter housing2. O-ring3. Filter cup4. Water detection switch lead

1. O-ring2. Filter cup3. Water detection switch lead

3

2

4

1

ZMU07521

2

3

1

ZMU07522



107

Consumer information (For North America)EMU29837

YAMAHA FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY

ZMU07048

Yamaha Motor Corporation, U.S.A. and Yamaha Motor Canada Ltd. (“Yamaha”) hereby warrant that new Yamaha four-stroke outboard motors will be free from defects in material and workmanship for the period of time stated herein, subject to certain stated limitations.

PERIOD OF WARRANTY. Any new Yamaha four-stroke outboard motor purchased from an authorized Yamaha dealer in the customer’s country of residence (United States or Canada) and registered with Yamaha will be warranted against defects in material or workmanship, subject to exclusions noted herein, for the following applicable period determined by type of use:

The second and third year of warranty (if applicable) shall be limited to covering the cost of parts and labor for major components only. The major components covered are:

WARRANTY REGISTRATION. To be eligible for warranty coverage, the outboard motor must be registered with Yamaha in the country of residence. Warranty registration can be accomplished by any authorized Yamaha Outboard Motor Dealer.

OBTAINING REPAIRS UNDER WARRANTY. During the period of warranty, any authorized Yamaha Outboard Motor Dealer in the country of residence will, free of charge, repair or replace, at Yamaha’s option, any parts adjudged defective by Yamaha due to faulty workmanship or material from the factory. All replaced parts will become the property of Yamaha. If the customer is temporarily using a U.S.-registered outboard motor in Canada, or a Canada-registered outboard motor in the United States, and it needs warranty repairs, the owner should contact a nearby authorized Yamaha Outboard Motor Dealer for assistance. The local dealer will contact Yamaha on the owner’s behalf so that needed repairs can be made as quickly as possible.

CUSTOMER’S RESPONSIBILITY. Under the terms of this warranty, the customer will be responsible for ensuring that the outboard motor is properly operated, maintained, and stored as specified in the applicable Owner’s Manual. The owner of the outboard motor shall give notice to an authorized Yamaha Outboard Motor Dealer of any and all apparent defects within ten (10) days of discovery and make the motor available at that time for inspection and repairs at the dealer’s place of business.

Replacement parts used in warranty repairs will be warranted for the balance of the applicable warranty period.

• Pleasure use – three (3) years from the date of purchase.

Power Unit Section• Power Head• Intake Manifold• Carburetor Assembly and its Related Components• Fuel Injection System and its Related Components• Fuel and Oil Pump Assemblies• Ignition System (Standard and Microcomputer)Lower Unit Section Bracket Section• Exhaust System• Bracket System• Upper Casing• Power Trim and Tilt Assembly• Lower Unit Assembly

• Commercial application – one (1) year from the date of purchase. A commercial application is defined as any use of the outboard motor to generate income (excluding tournament fishing) or support business operations in any way during the warranty period, without regard to the type or percentage of commercial use. Yamaha reserves the right to modify incorrect registration data and reduce the warranty period to reflect commercial use.

• Yamaha peripheral equipment included with the motor, such as gauges, fuel tanks, and hoses, remote control boxes, and wiring external from the motor unit, will be warranted for one (1) year from the date of purchase for either pleasure or commercial use.



Consumer information (For North America)

108

ZMU07047

SPECIFIC PARTS EXCLUDED FROM WARRANTY. Parts replaced due to normal wear or routine maintenance such as oil, spark plugs, shear pins, propellers, hubs, fuel and oil filters, brushes for the starter motor and power tilt motor, water pump impellers, and anodes, are not covered by warranty. Charges for removal of the motor from a boat and transporting the motor to and from an authorized Yamaha Outboard Motor Dealer are excluded from warranty coverage.

EMISSION CONTROL WARRANTY (United States only). Yamaha warrants to the ultimate purchaser and any subsequent owner, that the emission control components on this engine are designed, built and equipped so as to conform at the time of sale with applicable regulations under section 213 of the Clean Air Act and that this engine is covered against defects in materials and workmanship which cause said engine to fail to conform with applicable exhaust emission regulations for five (5) years from the date of purchase or 175 hours of operation, whichever comes first. Evaporative components (e.g., hoses, fuel tank, fuel cap) are two (2) years from the date of purchase. Some states have different emission control warranty provisions. As these vary from state to state, consult your Yamaha dealer or contact Yamaha Customer Relations at 1-866-894-1626 for more information.

TRANSFER OF WARRANTY Transfer of the warranty from the original purchaser to any subsequent purchaser is possible by having the motor inspected by an authorized Yamaha Outboard Motor Dealer and requesting the dealer to submit a change of registration to Yamaha within ten (10) days of the transfer.

THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE/PROVINCE TO PROVINCE.

YAMAHA MAKES NO OTHER WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH EXCEED THE OBLIGATIONS AND TIME LIMITS STATED IN THIS WARRANTY ARE HEREBY DISCLAIMED BY YAMAHA AND EXCLUDED FROM THIS WARRANTY. SOME STATES/PROVINCES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU. ALSO EXCLUDED FROM THIS WARRANTY ARE ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING LOSS OF USE. SOME STATES/PROVINCES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE EXCLUSION MAY NOT APPLY TO YOU.

GENERAL EXCLUSIONS FROM WARRANTY. This warranty will not cover the repair of damage if the damage is a result of abuse or neglect of the product. Examples of abuse and neglect include, but are not limited to:1. Racing or competition use, modification of original parts, abnormal strain.2. Lack of proper maintenance and off season storage as described in the Owner’s Manual; installation of parts or accessories that are

not equivalent in design and quality to genuine Yamaha parts.3. Operation of the motor at an rpm other than specified, use of lubricants or oils that are not suitable for outboard motor use.4. Damage as a result of accidents, collisions, contact with foreign materials, or submersion.5. Growth of marine organism on motor surfaces.6. Normal deterioration.

Specific parts excluded from the second and third year of warranty (if applicable) are:• Top and Bottom Cowling• Electric Components (other than ignition system)• Rubber Components (such as hoses, tubes, rubber seals, fittings, and clamps)



Consumer information (For North America)

109

EMU29846

IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE U.S.A. OR CANADA

Welcome to the Yamaha Family!

Congratulations on the purchase of your new Yamaha products. Yamaha is commit-ted to exceptional customer satisfaction and we want your ownership experience to be a satisfying one. Please read the following warranty information to help ensure satisfaction with your Yamaha.

This model was manufactured with specifications appropriate for sale and use in the U.S.A. and Canada. Please note the following information:

Your Yamaha model may not be sold in some countries. Therefore, a Yamaha dealer outside the United States or Canada may not have all of the replacement parts or technical information available to provide proper service. This may unavoidably delay repairs. Thank you for your understanding should this happen.

TIP:

1. As explained in the Limited Warranty Statement, the Yamaha warranty covers your Yamaha when it is registered and used in your country of residence. If you are temporarily using a U.S.-registered outboard motor in Canada, or a Canada-registered outboard motor in the United States, and it needs warranty repairs, you should contact a nearby authorized Yamaha Outboard Motor Dealer for assistance. The local dealer will contact Yamaha on the owner’s behalf so that needed repairs can be made as quickly as possible.

2. If you need repairs while temporarily using your Yamaha in another country, contact the local authorized Yamaha distributor for that country. Yamaha will work with that distributor to make the needed repairs as quickly as possible. If you have to pay for a repair that you believe your warranty would have covered at home, present all repair orders, receipts, or other related documents to your local dealer when you return home. He will be able to contact Yamaha on your behalf to see if any refund can be provided.

3. If your Yamaha is registered or used primarily outside the United States or Canada, the warranty printed in this manual does not apply to you. Contact the dealer who sold the Yamaha marine power unit to you for customer support information.

ZMU05199



110

INDEX6

6Y8 Multifunction meters ...................... 476Y9 Multifunction Color Gauge............. 406YC Multifunction meter ....................... 43

AAccident reporting................................... 4Alcohol and drugs ................................... 2Alert system.......................................... 51All Start/Stop switch panel .................... 34Anode(s), inspecting and replacing ...... 96Anti-fouling paint ................................... 23Approval label of emission control

certificate ............................................ 24Avoid collisions ....................................... 3

BBasic boating rules (Rules of the road)... 5Battery .................................................. 62Battery, checking (electric start

models)............................................... 97Battery, connecting ............................... 97Battery, disconnecting .......................... 98Battery requirements ............................ 18Battery, storing...................................... 99Boat education and training .................... 4Boat horsepower rating......................... 17Boating organizations ............................. 4Boating safety ......................................... 2Boating safety publications ..................... 4Breaking in engine ................................ 57

CCarbon monoxide ................................... 2CE Marking ........................................... 11Checks after engine warm up ............... 66Checks after starting engine ................. 65Checks before starting engine .............. 58CL7 Display .......................................... 38Cleaning and anticorrosion

measures............................................ 76Cleaning the outboard motor ................ 76Collisions with floating or submerged

objects .................................................. 3

Compliance mark label ......................... 12Components diagram ........................... 26Control functions, checking................... 59Cooling water ........................................ 65Cowling lock lever ................................. 36

DDigital electronic control-active

indicator .............................................. 30Digital Electronic Control alert .............. 51Digital electronic control-alert

indicator .............................................. 30Digital Electronic Control box................ 30Digital electronic control

requirements....................................... 17Digital electronic control serial

number ............................................... 10

EEC Declaration of Conformity (DoC)..... 11Electric shock.......................................... 1Emergency equipment .......................... 23Emergency, running single engine in

an...................................................... 103Emergency, temporary action in ......... 103Emission control information................. 24Engine data recording........................... 15Engine idle speed, inspecting ............... 84Engine oil .............................................. 59Engine oil, changing ............................. 85Engine oil, filling.................................... 57Engine oil requirements ........................ 20Engine shut-off cord (lanyard) .......... 1, 59Engine shut-off cord (lanyard) and

clip ...................................................... 33Engine synchronization indicator .......... 41Engine trouble alert............................... 43Engine warm-up indicator ..................... 41

FFilling fuel.............................................. 63First-time operation............................... 57Flushing cooling water passage ........... 76Flushing device............................... 36, 60



INDEX

111

Free throttle switch ............................... 31Fuel filter ............................................... 37Fuel filter, checking............................... 59Fuel leaks, checking for ........................ 58Fuel level .............................................. 58Fuel requirements................................. 21Fuel system .......................................... 58Fuse, replacing ................................... 103

GGasoline............................................ 1, 21Gasoline Additives ................................ 22Gasoline exposure and spills.................. 2Gear oil, changing................................. 94Greasing ............................................... 82

HHot parts ................................................. 1

IIdentification numbers record ............... 10Impact damage ................................... 103Installation requirements....................... 17

KKey number .......................................... 11

LLaws and regulations.............................. 4Low battery voltage-alert ...................... 43Low oil pressure alert............................ 53Low oil pressure-alert ........................... 42Lubrication ............................................ 76

MMain switch ........................................... 33Maintenance chart 1 ............................. 79Maintenance chart 2 ............................. 81Maintenance interval guidelines ........... 78Modifications........................................... 2Mounting height .................................... 55Mounting outboard motor...................... 17Mounting the outboard motor................ 55

OOperating engine .................................. 63Operating in salt water or other

conditions ........................................... 74Outboard motor, checking .................... 60Outboard motor disposal

requirements....................................... 23Outboard motor (painted surface),

checking ............................................. 77Outboard motor safety ............................ 1Outboard motor serial number.............. 10Overheat alert ................................. 41, 51Overloading ............................................ 2

PPassengers............................................. 2Passenger training.................................. 4People in the water ................................. 2Periodic maintenance ........................... 77Personal flotation devices (PFDs) .......... 2Power trim and tilt ................................... 1Power trim and tilt switch (bottom

cowling) .............................................. 35Power trim and tilt switch (digital

electronic control) ............................... 34Power trim and tilt switches

(twin type) ........................................... 35Power trim and tilt system, checking..... 62Power trim and tilt unit will not

operate ............................................. 104Propeller ................................................. 1Propeller (counter rotation models) ...... 20Propeller, inspecting ............................. 92Propeller, installing ............................... 93Propeller, removing............................... 93Propeller selection ................................ 19

RRead manuals and labels ..................... 13Remote control lever............................. 31Replacement parts................................ 78Replacing the engine oil filter................ 90Rotating parts ......................................... 1Rules when encountering vessels .......... 6



INDEX

112

SSending fuel.......................................... 63Shallow water ....................................... 73Shifting.................................................. 66Shifting (checks after engine warm

up) ...................................................... 66Spark plug, inspecting .......................... 82Specifications........................................ 16Star labels............................................. 24Start-in-gear protection ......................... 20Starting engine...................................... 64Start/Stop switch panel ......................... 34Steering and sailing rules and sound

signals .................................................. 5Stopping boat........................................ 67Stopping engine.................................... 68Stop switches........................................ 66Storing outboard motor ......................... 75Submerged outboard motor................ 106

TThrottle friction adjuster ........................ 32Tilting up and down............................... 71Tilt support lever ................................... 36Top cowling, installing........................... 60Top cowling, removing.......................... 58Transporting and storing outboard

motor .................................................. 75Trimming outboard motor ..................... 69Trolling .................................................. 67Troubleshooting .................................. 100

WWarming up engine............................... 66Warning labels ...................................... 13Warranty information (use outside

the U.S.A. or Canada) ...................... 109Warranty, limited................................. 107Water separator alert ...................... 42, 54Water separator-alert indicator

blinks while cruising.......................... 105Weather .................................................. 3Wiring and connectors, inspecting........ 92

YYamaha Security System indicator

(optional)............................................. 41Yamaha Security System (Y-COP)....... 29Yamalube.............................................. 91



EMU43024

For your best ownership experience, think Genuine Yamaha!

Genuine Yamaha Parts — Genuine Yamaha replacement parts are the exact same partsas the ones originally equipped on your vehicle, providing you with the performance and du-rability you have come to expect. Why settle for aftermarket parts that may not provide fullconfidence and satisfaction?

Genuine Yamaha Accessories — Yamaha only offers accessories that meet our high stan-dards for quality and performance. Buy with confidence, knowing your Genuine Yamaha Ac-cessories will fit right and perform right — right out of the box.

Yamalube — Take care of your Yamaha with legendary Yamalube oils, lubricants, and careproducts. They’re formulated and approved by the toughest judges we know: the Yamahaengineering teams that know your Yamaha from the inside out.

Genuine Yamaha Service Manuals — Get the same factory manual for your vehicle thatthe technicians at your authorized Yamaha dealer use. Service manuals are availablethrough your Yamaha dealer or you can order them directly through yamahapubs.com (USAonly).

Genuine Yamaha products are available only from your Yamaha dealer.

Find out more at www.yamaha–motor in your country of residence.



Printed on recycled paperPrinted in JapanNovember 2018–2.7 1 !



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