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JETS, NEEDLESAnd Carburettor components for KX models 07/07

There are many different needles, jets and carburettor components available for each modelproviding the tuner with a wide rage of options and it is quite often difficult to determinewhether they are richer or leaner----- this quick reference chart will help.

KX65 series

Needle Jets

16187 -1130 5HS64

Jet Needles

Main Jets Pilot Jets

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KX85 seriesIncludes A and B models

Needles

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KX85, KX250R series and KX250/KX450/KLX450 four stroke models use KeihenMain (long hex type, thread outside diameter 4.9mm x pitch 0.8mm) and Pilotjets (N422-24).Jet sizes range as below

Main Jets Pilot Jets

Part no. Part no.# 118 92063 - 1356 # 40 92064- 1140

120 1357 42 1141122 1358 45 1142125 1334 48 1143128 1335 50 1144130 1336 52 1130132 1337 55 1145135 1338 58 1146138 1359 60 1147140 1360 62 1148142 1361 65 1149145 1362 68 1150148 1363 70 1151150 1364 72 1152152 1365 75 1153155 1366 78 1154158 1367 80 1155160 1368

162 1369165 1370168 1371170 1372172 1373175 1374178 1375180 1376182 1377185 1378188 1379

190 1380192 1381195 1382198 1383200 1384

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KX125M series

The KX125 has a Mikuni TMX carburettor and components are not common toother KXs

Pilot Jets Carburetor slides

LeanMain Jets

Part no. Part no.# 350 92063 050 # 430 92063 - 038

360 032 440 039370 033 450 040380 034 460 059390 051 470 041400 035 480 042

410 036 490 043420 037 500 044

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KX250R series

Carburettor slides, PWK Power Jets

Pilot Jets Main Jets

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06 KX250T, 07- 08KX450D series

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KX250T7 T8F

When tuning the KX250T and 450D please refer to the Carburettor Technical information booklet.

These models use FCR MX Keihen Carburettors and are considerably more complex in their design and setup.

KX250T, KX450D and KLX450A models, other jet types with a small optional range. Power Jets (Leak Jet) Starter Jet

Part no. Part no.# 42 16159 1059 # 55 16157 - 1055

45 1060 65 000448 1058 68 000150 105352 105555 105458 105660 1057

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