Russian Motorcycle (Ural)Part XXXI-5: Full-Time 1WD with

Engageable 2WD (non-Diff)(Also See Part XXXI: Drive Chain Evolution,

Part XXXI-1: One-Wheel Drive (1WD), Part XXXI-2: Two-Wheel Drive (2WD),

Part XXXI-3: Full-Time 2WD with non-Locking DiffPart XXXI-4: Full-time 2WD with Locking Diff,

Part XXXI-6: Gears and Gear Ratios, Part XXXI-7: Drive Train Components,

and Part XXXI-8: Disassembly of Drive Chain)

Ernie Franke

eafranke@tampabay.rr.com

10 / 2018

Four Types of Final Drives in Russian Sidecars1. Full-Time, Straight Final Drive (1WD)–One-Wheel Drive (1WD)–Available in Various Ural / Dnepr Models

2. Full-Time, Two-Wheel Drive (2WD) with non-Locking Differential–Dnepr MB-650M (1985-1991)–Dnepr MT-12 (1977-1985)–Dnepr MT-16 (1985-2005)–Dnepr Rear Drive Casings Allow for Adding Locking Differential

–First Available in Ural: “Sportsman” IMZ 8.107 (1995-1998)•Only True Differential for Ural•Pre-“Patrol” Model

3. Full-Time, Two-Wheel Drive (2WD) with Locking (Engageable) Differential–Dnepr MB-750 (1964-1973)–Dnepr MB-650 (1968-1984)–Dnepr MB-750M (1973-1977 Locking feature deleted after two years)

4. Full-Time, One-Wheel Drive (1WD) with Engageable Locking 2WD (non-Diff)–Available in Various Ural Models•Production: Patrol (1998-Current), Gear-Up (2001-Current) and Patrol-T (2009-Current)•Limited Editions with Engageable Sidecar Drive Shaft:–Derivatives of Patrol or Gear-Up–Basic (2005), Raven (Vorona) (2006), Pustinja (2007), Wjuga (2008), Sahara (2009) and Taiga (2010)

2

Ural (Урал) / Dnepr (Днепр) 1WD with Engageable Non-Diff 2WD

Ural (Урал) Model Production Engine Voltage Drive Train Rear Suspension

M-72 1941-1950 750cc SV 6-Volt Full-Time, Straight Final Drive (1WD) Plunger

M-72K 1952-1958 750cc SV 6-Volt Full-Time, Straight Final Drive (1WD) Plunger

M-72M 1956-1961 750cc SV 6-Volt Full-Time, Straight Final Drive (1WD) Plunger

M-61 1958-1961 650cc OHV 6-Volt Full-Time, Straight Final Drive (1WD) Plunger

M-62 (Ural-1) 1961-1965 650cc OHV 6-Volt Full-Time, Straight Final Drive (1WD) Plunger

M-63 (Ural-2) 1965-1971 650cc OHV 6-Volt Full-Time, Straight Final Drive (1WD) Swing Arm

M-66 (Ural-3) 1971-1973 650cc OHV 6-Volt Full-Time, Straight Final Drive (1WD) Swing Arm

M-67 (IMZ-8.101) 1974-1976 650cc OHV 12-Volt Full-Time, Straight Final Drive (1WD) Swing Arm

M-67.36 1976-1984 650cc OHV 12-Volt Full-Time, Straight Final Drive (1WD) Swing Arm

“Sportsman” IMZ 8.107 1995-1998 650cc OHV 12-Volt Full-Time 2WD with non-Locking Differential Swing Arm

8.103 Series “650” 1984-2002 650cc OHV 12-Volt Full-Time 1WD with Engageable 2WD (No Diff) Swing Arm

“750”Series 2003-Present 750cc OHV 12-Volt Full-Time 1WD with Engageable 2WD (No Diff) Swing Arm

Dnepr (Днепр) Model Production Engine Voltage Drive Chain Rear Suspension

M-72 1951-1956 750cc SV 6-Volt Full-Time, Straight Final Drive (1WD) Plunger

M-72N (H) 1956-1960 750cc SV 6-Volt Full-Time, Straight Final Drive (1WD) Plunger

K-750 1959-1963 750cc SV 6-Volt Full-Time, Straight Final Drive (1WD) Swing Arm

K-750M 1963-1977 750cc SV 6-Volt Full-Time, Straight Final Drive (1WD) Swing Arm

MT-12 (Dnepr-12) 1974-1982 750cc SV 6-Volt Full-Time 2WD with Non-Locking Differential * * Swing Arm

MB-750 1964-1973 750cc SV 6-Volt Full-Time 2WD with Locking (Engageable) Diff * Swing Arm

MB-750M 1973-1977 750cc SV 6-Volt Full-Time 2WD with Locking (Engageable) Diff * Swing Arm

K-650/MT-8 1967-1971 650cc OHV 6-Volt Full-Time, Straight Final Drive (1WD) Swing Arm

K-650/MT-9 1971-1976 650cc OHV 6-Volt Full-Time, Straight Final Drive (1WD) Swing Arm

MB-650 1968-1984 650cc OHV 12-Volt Full-Time 2WD with Locking Differential * Swing Arm

MB-650M 1985-1991 650cc OHV 12-Volt Full-Time 2WD with Non-Locking Differential * * Swing Arm

MT-10 1973-1976 650cc OHV 12-Volt Full-Time, Straight Final Drive (1WD) Swing Arm

MT-10.36 1976-1984 650cc OHV 12-Volt Full-Time, Straight Final Drive (1WD) Swing Arm

MT-11 (Dnepr-11) 1984-2005 650cc OHV 12-Volt Full-Time, Straight Final Drive (1WD) Swing Arm

MT-16 (Dnepr-16) 1985-2005 650cc OHV 12-Volt Full-Time 2WD with Non-Locking Differential * * Swing Arm

* Locking Feature Deleted after Two Years of Production, * * Optional Kit Available to Add Locking Differential 3

Ural Two-Wheel Drive (2WD) Non-Diff Time-Line

The first production Ural 2WD was the short-lived Sportsman in the mid-1990's, followed by the non-diff Patrol and Gear-Up available today.

Sahara

Ural “Sportsman”(True Differential)

Taiga

Wjuga

Pustinja

Raven

Basic

Ural “Patrol”(non-Diff 2WD)

Ural “Gear-Up”(non-Diff 2WD)

Ural “Patrol-T”(non-Diff 2WD)

1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010

650cc Engine 750cc Engine

4

Ural Patrol, Engageable, Non-Diff 2WD (1998-to-Current Production)

The “Patrol” pioneered Ural’s entry into engageable two-wheel drive (2WD, non-Diff) in 1998 for off-road performance.

Transverse Sidecar Drive Shaft

Brake Activation Lever

Non-Diff 2WD Activation Lever

Later Model of Tie Rod-to-Lever Joint

(Heim Joint)

5

Engageable

2-Wheel Drive (2WD)

Ural Gear-Up, Engageable, Non-Diff 2WD (2001-to-Current Production)

Ural’s Gear-Up followed in 2001, as a rugged, macho Patrol.

Engageable

2-Wheel Drive (2WD)

6

Modern Urals with One-Wheel Drive (1WD) and Engageable Two-Wheel Drive (2WD, non-Diff)

Gear-Up

Taiga Limited Edition

Patrol-T

Patrol

2WD Engageable Lever

Modern Urals employ one-wheel drive (1WD) for on-road driving.7

Ural “Limited Edition” Sidecars with Full-Time 1WD and Engageable 2WD

Wjuga (2008)

Pustinja (2007)

Basic (2005)

Taiga (2010)

Sahara (2009)

Modern Urals employ an engageable, non-differential, only for off-road driving.

Vorona “Raven” (2006)

8

Ural Engageable, Non-Diff, Two-Wheel Drive (2WD)

2012 Ural Patrol

2005 Ural Gear-Up

Lever for Engageable, Non-Diff 2WD

Latest Model of

Tie Rod-to-Lever Joint

(Heim Joint)Transverse Drive

to Sidecar Wheel

2WD Engaged

1WD

9

2010 Ural Patrol-T

Patrol-T's drive shaft, seen above, is engaged by sliding a lever.

Latest Model of

Tie Rod-to-Lever Joint

(Heim Joint)

C-Shaped Swing-Arm

Attachment to Rear

Drive Casing

2WD Rear Drive Casing

10

Patrol / Gear-Up with Engageable, Non-Diff Sidecar Drive

Sidecar Drive Disengaged Sidecar Drive Engaged

When engaged by the operator for “off-road” use, the sidecar wheel is driven by a transverse drive shaft connected with the rear drive

via a universal joint.

2WD Engaged

1WD

Notice: Lever Arm Is

Located Below Axis.

Notice: Lever Arm Is

Located AboveAxis.

2WD (non-Diff)

Engagement Control

Reverse Gear Lever

Reverse Gear Lever

2WD

Control Tie-Rod

Patrol

Gear-Up

11

Ural Gear-Up Final Drive for Engageable 2WD (Non-Diff)

Ural Patrol and Ural Gear-Up have two driving modes; 1WD for normal on-road driving and 2WD (non-differential) for off-road over short impassable sections,

where the sidecar wheel is directly geared with the main (pusher) wheel.

Manually-Engageable Lever

for 2WD

Universal Joint

Transverse Drive Shaft

to

Sidecar

Wheel

Rear Drive Oil Fill

(80/90)

Drive Shaft Fork

2WD Engaged

1WD

Older Type of

Tie Rod-to-Lever Joint

(Rod-and-Cotter Pin)

12

The Ural rear drive has an engageable (non-differential) direct drive to power the sidecar wheel (2WD).

Final Drive Assembly for All Engageable 2WD Urals (Ural of New England)

Rear Brake Activation Lever

Rear Brake Activation Lever

Rear Brake

Oil Drain Hole

Rear Brake

Rear Brake Activation Lever

2WD Activation Lever

Oil Drain Hole

Universal Joint from Gear Box

Universal Joint from Gear Box

Output to Sidecar Wheel

13

Final Drive Assembly, Engageable 2WD

1. Final Drive Assembly

33. Dipstick

7. Final DriveGear Case

69. Bevel Gear Set

27. Flexible Coupling (Doughnut or Biscuit)

64. Drive Shaft Cross

17. Final DriveCover Assembly

8. Driven Gear (Crown Gear)

40. Roller Bearing (45 each)

30. Drive Shaft

Assembly

5. U-Joint Assembly

52. Shims

9. Driven Gear Hub

61. Sidecar 2WD Shift Lever

10. 2WD (non-Diff) Fork

23. Pinion Drive Gear

39. Shims

57. Tie Rod (Newer Linkage with Heim Joints Shown)

2. Engageable Drive

16. Driveshaft Fork

14. Double-Row Bearing

63. Limiter

62. Spring

25. Bearing Nut

26. Seal assembly3. Bearing Nut Assembly

35. Oil Drain Plug

13. Splined Hub

42. 2WD Activation Lever

18. Shift Sleeve

43. 2WD Control Shaft

2WD Engageable Drive (non-Diff)

14

Ural Engageable 2WD (cont.)

# Part # Description Notes Qty

1 IMZ-8.107-05003 Rear Drive Assy. Installed before July 05 1

1 IMZ-8.107-05003-01 Rear Drive Assy. Installed since July 05. Up-Graded final drive (Rubena seals, longer splines on drive shaft) 1

2 IMZ-8.107-05084 Engageable 2WD 1

3 IMZ-8.103-05023 Bearing Nut Assy. Installed since July 05 1

3 IMZ-8.101-05023-12 Bearing Nut Assy. Installed before July 05. Different seal diameter of bore 1

4 IMZ-8.103-05040 Driveshaft Assy. Does not include flex coupling #27 - must order separately 1

4 IMZ-8.103-05040-10 Driveshaft Assy. Installed since July 05. - Does not include flex coupling #27 1

4 IMZ-8.1037-05056 Driveshaft Assy. Installed from 2007 - Does not include flex coupling #27 1

5 ИМЗ-8.101-05017 U-Joint Assy. 1

6 IMZ-8.103-05032 Dipstick and Breather 1

7 IMZ-8.107-05101-10 Rear Drive Gear Case Installed before July 05. Different outer diameter of seal 1

7 IMZ-8.107-05101-20 Rear Drive Gear Case Installed since July 05 1

8 72-05227-01 Crown Driven Gear See #69. Recommend 72-05202-01 & 72-05227-01 ordered in a set, factory-bedded for noiseless operation 1

9 IMZ-8.107-05229 Driven Gear Hub Installed before July 05. Different outer diameter of seal 1

9 IMZ-8.107-05229-10 Driven Gear Hub Installed since July 05 1

10 IMZ-8.107-05230 Fork 1

11 7000111 Bearing GOST 8338-75 May use new bearing below 1

11 SKF 16011/c3 Bearing New bearing is allowed 1

12 IMZ-8.107-05046 Seal Russian - May use new seal below 1

12 NAK TF 03396 Seal New seal from 2007 - Direct replacement 1

13 IMZ-8.107-05234 Splined Hub Installed before July 05. Different outer diameter 1

13 IMZ-8.107-05234-10 Splined Hub Installed since July 05 1

14 3056204 Double-Row Ball Bearing 3056204 May use new bearing below 1

14 SKF 3204 A-2rs1/c3 Double-Row Ball Bearing New bearing is allowed 1

15 62-06006-10 Rubber Seal Assy. Installed before July 05. Different outer diameter of seal 1

15 IMZ-8.103-06006 Rubber Seal Assy. Installed since July 05 1

15 NAK TC 05120 Rubber Seal Assy. New seal from 2007 - Replace for all from July 05 1

16 IMZ-8.107-05056 Driveshaft Fork Assy. Installed before July 05. Different outer diameter of seal 1

16 IMZ-8.107-05056-01 Driveshaft Fork Assy. Installed since July 05 1

17 IMZ-8.107-05020-50 Rear Drive Cover Assy. 1

18 IMZ-8.107-05221 Shift Sleeve 1

19 62-06006-10 Rubber Seal Assy. Installed before July 05. Different outer diameter of seal 1

19 IMZ-8.103-06006 Rubber Seal Assy. Installed since July 05 1

19 NAK TC 05120 Rubber Seal Assy. New seal from 2007 - Replace for all from July 05 1

21 1000822 Bearing GOST 8338-75 Bearing 115

Ural Engageable 2WD (cont.)

# Part # Description Notes Qty

22 72052-2 Double-Row Ball Bearing 1

23 72-05202-01 Rear Drive, Driving Gear See #69. It is recommended 72-05202-01 & 72-05227-01 ordered in a set, factory-bedded for noiseless operation 1

24 SKF 3304A/s3 Double-Row Ball Bearing 1

25 IMZ-8.101-05223 -20 Bearing Nut Installed before July 05. Different thread dimension for seal 1

25 IMZ-8.103-05223 Bearing Nut Installed since July 05 1

26 IMZ-8.103-04015-01 Seal Assy Installed before July 05. Different outer & inner diameters 1

26 IMZ-8.103-04015-10 Seal Assy Installed since July 05 1

26 NAK TC 03103 Seal Assy New seal use from July of 2005 1

27 72-05013 Flexible U-Joint Coupling 1

28 IMZ-8.103-05307 Flexible U-Joint Plate Installed before July 05. Different length of splines 1

28 IMZ-8.103-05307-10 Flexible U-Joint Plate Installed since July 05 1

29 IMZ-8.101-05049 Drive Shaft Fork Assy Installed before July 05. Different diameter for seal 1

29 IMZ-8.101-05049-10 Drive Shaft Fork Assy Installed since July 05 1

30 IMZ-8.103-05301 Drive Shaft Installed before July 05. Different length of splines 1

30 IMZ-8.1037-0540 Drive Shaft Assembly

31 IMZ-8.101-05039 Gear Case Seal Before July of 2005 1

31 NAK TC 02861 NBR Gear Case Seal New seal use from July of 2005 1

32 IMZ-8.103-04380 Breather Plug 1

33 IMZ-8.103-05034 Dipstick Assy. 1

34 IMZ-8.101-01135 Ring 1

35 11407 Special Washer 14 1

36 IMZ-8.103-01080 Drain Plug 1

37 365646-P27 Stud М10х1-6gх64 2

38 IMZ-8.107-05107 Gear Case Cover Gasket 1

39 IMZ-8.107-05251 Shim 1.1mm 1

39 IMZ-8.107-05252 Shim 0.95 mm 1

39 IMZ-8.107-05252 Shim 0.95 mm 1

39 IMZ-8.107-05253 Shim 0.8 mm 1

39 IMZ-8.107-05254 Shim 0.65 mm 1

40 3x15.8A5 Roller 3х15.8А5 45

41 6205232 Lock Ring 1

42 IMZ-8.107-05245 Lever 1

43 IMZ-8.107-05231 Shaft 1

44 IMZ-8.103-04017 RH cover seal Russian - May use new below 1

44 NAK TC 01822 RH cover seal New seal from 2007 - Direct replacement 116

Ural Engageable 2WD (cont.)

# Part # Description Notes Qty

45 258039-P2 Cotter Pin 3.2х20 1

46 IMZ-8.107-05315 Key 2

47 IMZ-8.107-05226 Ring А55 1

48 IMZ-8.101-05246 Distance Bushing 1

49 IMZ-8.107-05416-10 Distance Bushing 1

50 IMZ-8.107-05502 O-Ring 1

51 7205224-01 O-Ring 1

52 6205319 Shim 0.18…0.16 mm Adjusting Washer. Used for final drive assembling subject to clearance 1

52 7205320 Shim 0.4… 0.36 mm Adjusting Washer 1

53 62-01254 Stopper 1

54 365648-P27 Stud М10х1-6gх50 4

55 IMZ-8.107-05104-20 Gear Case Bushing 1

56 IMZ-8.101-05246 Distance Bushing 1

57 IMZ-8.107-05237 Tie Rod 1

58 252005-P27C Washer 8 1

59 252155-P2 Washer 8L 2

60 367294-P27C Blind Nut М8, Zn 1

61 IMZ-8.107-05068 Sidecar Drive Shift {ever 1

62 72-04312-01 Quadrant Shaft Spring 1

63 IMZ-8.107-05055 Shaft Aasy with Limiter 1

64 IMZ-8.103-05311 Driveshaft Cross See #5. Only Sold in Assy. 1

65 72-05312 Driveshaft Sealing Ring See #5. Only Sold in Assy. 4

66 72-05313 U-joint Sealing Ring Band See #5. Only Sold in Assy. 4

67 72053-2 Needle Bearing See #5. Only Sold in Assy. 4

68 367309 U-Joint Lock Ring B19 4

69 IMZ-8.107-05047 Bevel Gear Set 1

70 IMZ-8.1037-05302 Protective Cover 1

71 201453-P Bolt M8X14 8

17

Ural 2WD Sidecar Drive Assembly (750/650cc)

# Part # Description

1 IMZ-8.107-05003-02 Rear Drive, Engageable 2WD

2 IMZ-8.107-05050 Sidecar Drive, Swing-Arm

3 IMZ-8.107-05053 Cardan Shaft, Drive Shaft

4 IMZ-8.107-05051 Shaft with Drive Shaft Fork Assembly

Sidecar Shaft Assembly, 2WD

Vendor ID: SKU: PT060 List Price: $293.81

(www.uralne.com)

The Ural sidecar drive assembly does not havea speed reducer, whereas 2WD Dneprs do. 18

3. Shaft with Drive Shaft Fork

5. Protective Cover

10. & 12. Ball Bearings

15. Sidecar Brake

Drum Cover

7. Sidecar Drive Shaft Assembly8. Sidecar Shaft

1. Shaft with Joint Assembly

16. Drive Shaft Cross

(Universal Joint (Cross-Piece)

4. U-Joint Assembly

14. Hub11. Bushing

9. Protective Washer

2. Shaft with Drive Shaft Fork Assembly

Final and Sidecar Drive Assemblies, Engageable 2WD

# Part # Description Notes Qty

1 IMZ-8.107-05053 Shaft with Joint Assy. 1

2 IMZ-8.107-05051 Shaft with Driveshaft Fork Assy. 1

3 IMZ-8.107-05507 Shaft with Driveshaft Fork Not sold separately - See Item #1 sold only as assy. 2

4 IMZ-8.101-05017 Universal Joint Assy. 2

5 IMZ-8.107-05521 Protective Cover 1

6 62-15005-10 Clamp 2

7 IMZ-8.107-05054 Sidecar Driveshaft Assy. Not sold separately - See Item #1 sold only as assy. 1

8 IMZ-8.107-05514 Sidecar Shaft Not sold separately - See Item #1 sold only as assy. 1

9 IMZ-8.107-05515 Protective Washer 1

10 180206 Ball Bearing May use new bearing below 1

10 SKF 6206-2rs1/c3 Ball Bearing New bearing from 2007 1

11 IMZ-8.107-05517 Bushing 1

12 180207 Ball Bearing Russian - May use new bearing below 1

12 SKF 6207-2rs1/c3 Ball Bearing New bearing from 2007 1

13 IMZ-8.107-05520 Distance Ring 1

14 IMZ-8.107-05516 Hub 1

15 IMZ-8.107-20040 Brake Drum Cover 1

16 IMZ-8.107-20040 Driveshaft Cross Not sold separately – See Item #4 2

17 IMZ-8.107-05503 Sealing Ring Not sold separately – See Item #4 8

18 IMZ-8.107-05504 Sealing Ring Band Not sold separately – See Item #4 8

19 IMZ-8.107-05505 Needle Bearing Not sold separately – See Item #4 8

20 2101-2202043 Lock Ring 8

Flexible Flange

(Mates with Elastic Coupler)

19

Ural 650 cc (IMZ-8.1034/37) Rear and Sidecar Drive Assemblies

IMZ-8.107-05003Rear Drive Assembly

IMZ-8.107-05050Sidecar Drive Assembly

# Engine Part # Decription

1 750/650 cc IMZ-8.107-05003-02 Engageable Rear Drive

2 750/650 cc IMZ-8.107-05050 Sidecar Drive, Swing-Arm Part

3 750/650 cc IMZ-8.107-05053 Cardan Shaft, Driveshaft Part

4 750/650 cc IMZ-8.107-05051 Shaft with Driveshaft Fork Assembly

20

Rear Drive Cardan - Ural 650

21

Part # Description

7205013 Anti shock disk,

high quality

7205324-b Rubber for shock

absorb disc, high

quality

7205328 + -329 + 326-b Rings for anti-

shock disc

7205309 Fork

7205311 + 904700 + -

312 +-313 + -317

Cardan cross +

clips

7205323 Conical bolt + nut

7205311 + 904700 + -312 +-313 + -317

Drive Shaft Cross

(Universal Joint (Cross-Piece)

7205323

Wedge Bolt

7205309

Fork

7205324-b

Elastic Disc

7205328 + -329 + 326-b

Rings for Elastic Disc

Item Part # Description

1 IMZ-8.107-05505 Seal Holder

2 IMZ-8.107-05504 Universal Joint Cross Seal

3 IMZ-8.107-05035 Cross Bearing

4 IMZ-8.107-05506 Retaining Ring

5 IMZ-8.107-05514 Sidecar Wheel Shaft

6 IMZ-8.107-05515 Safety washer

7 180206 Bearing

8 IMZ-8.107-20020 Wheel Lever

9 IMZ-8.107-05517 Distance Bushing

10 180207 Bearing

11 IMZ-8.107-05518 Washer

12 IMZ-8.107-05516 Bushing

13 IMZ-8.107-20040 Tie Rod, Sidecar Brake Assy.

14 252155-P2 Washer 8

15 201453-P Bolt M8

16 IMZ-8.107-05507 Shaft with Universal Joint Fork

18 IMZ-8.107-05054 Propeller Shaft Assy.

19 IMZ-8.107-05503 Propeller Shaft Cross

20 IMZ-8.107-05520 Distance Ring

Universal Joint (Cross-Piece)

Ural 650 cc (IMZ-8.1034/37) Transverse Drive Shaft

22

Ural 650cc (IMZ-8.103-10, -40, -8.123-10, -8.107)

23

1 IMZ-8.107-05020-50 Cover with Bearings Assy.

2 IMZ-8.101-05023-12 Bearing Nut Assy.

3 IMZ-8.101-05039 Casing Seal with Spring Assy.

4 62-01254 Stopper

5 IMZ-8.101-05610-10 Bushing

6 IMZ-8.107-05101 Rear Drive Casing

9 IMZ-8.101-01134 Drain plug

10 252005-P29 Washer 8

11 250511-P29 Nut M8x14-6H

12 IMZ-8.101-01135 Ring

13 IMZ-8.107-05251 Shim, 1,1 mm thick

14 IMZ-8.107-05252 Shim, 0,95 mm thick

15 IMZ-8.107-05253 Shim, 0,8 mm thick

16 IMZ-8.107-05254 Shim, 0,65 mm thick

17 72052-1 Needle Bearing

17 IMZ-8.107-05521 Housing

18 3x15,8А5 Roller 3x15,8A5

19 201457-P29 Bolt M8-6 x22

20 IMZ-8.107-05245 Lever

21 IMZ-8.107-05230 Fork

22 IMZ-8.107-05231 Shaft

23 72-05202-01 Drive Gear, Pinion

24 72052-2 Two-Row Ball Bearing

25 IMZ-8.107-05104 Final Case Bushing

26 72-05227 Crown Driven Gear

27 IMZ-8.107-05412 Ring

28 IMZ-8.107-05229 Driven Gear Hub

29 1000822 Bearing

30 IMZ-8.107-05221 Shift Coupling

31 IMZ-8.107-05226 Ring A55

32 7.000111 Bearing

33 IMZ-8.107-05234 Splined Hub

34 IMZ-8.101-05246 Distance Bushing

35 IMZ-8.107-05416-10 Distance Bushing

36 3056204 Bearing 3056204

37 IMZ-8.107-05046 Seal Assy.

38 62-06134 Distance Bushing, LH

39 IMZ-8.107-05121-50 Housing Cover

40 IMZ-8.107-05502 Fork Ring

41 IMZ-8.107-05509 Pin

42 IMZ-8.107-05056 Driveshaft Fork Assy.

43 62-06006-10 Rubber Packing Assy.

44 6205318 Adjusting Shim, 0,08…0,07 mm

45 6205319 Adjusting Shim, 0,18…0,16 mm

46 7205320 Adjusting Shim, 0,4…0,36 mm

47 IMZ-8.103-05246 Distance Bushing

48 7205224-01 Bearing Nut Gasket

49 IMZ-8.101-05223-30 Bearing Nut

50 IMZ-8.101-05033 Driveshaft Seal Assy

51 IMZ-8,107-05315 Sliding Lock

Ural 650 cc (IMZ-8.1034/37) Rear Drive Disengageable

24

7205107 Joint f cover for differential

7205113-b +

7205126

Gland, rear drive

7205224 /

75005224

O-ring, differential

7205033 Glands 49,3 x 33 x 8, pair

7205202-b +

7205227-b

Crownwheel set. Sidecar ratio 8-37.

Thread M8x1,0

7205229 Hub

7205233 Shim for crown wheel 46x58x1,3 mm

7205248 Washer for crown wheel bolts

7205320 Shim 21x30x0,4 mm

7205321 Shim 21x30x1,0 mm

7205325 Shim 21x30x0,55 mm

7205330 Shim 21x30x0,7 mm

7205242 Shim 37x46x0,20 mm

7205243 Shim 37x46x0,27 mm

720524x Shim 37x46x0,5 mm

7205246 Bushing

7201134-A +

011407

Oil drain plug + washer

72052-1/

874901

Needle bearing

72052-2/

3086304L

Double row bearing, medium quality,

produced in EU

3 x 15,8 Needles set of 45 pcs

207 SKF Ball bearing 72x35x17 C3 western

quality SKF, Bigger axial play than

ordinary bearing, essential for use in

russian engines

207 Ball bearing 72x35x17

290144/

008406

Stud M8 x 33 for differential

201453 Bolt for crown wheel M8x1,25x14

7205231 Bolt for crown wheel M8 x 1,0 x 14

Rear Drive (1WD) Ural 650

25

Ural Engageable 2WD Lever Linkage Tie Rod on Rear Drive

Linkage Held onto Lever by Washer and Cotter Pin Later, Linkage Held onto Lever by Heim Joints

Once the Ural is in 2WD, both wheels are locked together (non-diff).

2WD Control Tie Rod

2WD Control Tie Rod

2WD Control Tie Rod

2WD Control Tie Rod

2007 Gear-Up

2007 Gear-Up

26

Ural 2WD Linkage Rod• Bent 2WD Shift Linkage Rod?

–Wimpy Linkage Bends When Shifting into 2-Wheel Drive (2WD)• Solution: Upgrade Shift Rod to New Style Standard in 2006 and Later Models

–Heavier Rod with Heim Joints on Each Ends–Heim Joint (N. America) or Rose Joint (U.K. and elsewhere)

• Rod-End Bearing: Mechanical Articulating Joint

Old Linkage Lever New (2007) Lever with Heim Joints

Part Description Part #

2003 2006 2007 2010

2WD Shift Lever (61) IMZ-8.107-05068 IMZ-8.107-05068 IMZ-8.107-05068 IMZ-8.107-05068

2WD Tie Rod (57) IMZ-8.107-05237 IMZ-8.107-05237 IMZ-8.107-05237 IMZ-8.1037-05081

2WD Rear Lever (42) IMZ-8.107-05245 IMZ-8.107-05245 IMZ-8.107-05245 IMZ-8.107-05245

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Ural Gear-Up Engageable 2WD Suspension

Sidecar Wheel Pivot Point

Manually-Engageable Lever for 2WD

Universal JointTransverse Drive Shaft

to SidecarWheel Drive Shaft Fork

2WD Engaged

1WD

The universal joint allows the rear drive to move up-and-down relative to the gear box and the frame.

Note that the Transverse Shaft Drives the Sidecar Wheel Directly, and Not thru a Gear Reduction

which Is Present in Full-Time 2WD Motorcycles, such as the MT-11 and MT-16.

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Rear Drive Suspension: 1WD versus 2WD

# 1WD Part # Description

3 IMZ-8.107-09081-10 2WD Swing-Arm

3A IMZ-8.107-09080-10 2WD Swing-Arm Assembly

4 IMZ-8.103-09081 orIMZ-8.1037-09081

1WD Swing-Arm

6 IMZ-8.103-09080 or IMZ-8.1037-09080

1WD Swing-Arm Assembly

2WD Swing-Arm (3 and 3A)C-shaped Bracket

1WD Swing-Arm (4 and 6)

The 2WD swing-arm connects to the rear drive with a C-shaped bracket.29