| Description of Limits |
Min |
Max |
Replace Beyond |
| Piston |
|
|
|
| |
Piston in Cylinder (top land) - Dia. |
.037L |
.041L |
.053L |
| |
Piston in Cylinder (2nd. land) - Dia. |
.032L |
.036L |
.046L |
| |
Piston in Cylinder (3rd. land) - Dia. |
.027L |
.031L |
.041L |
| |
Piston in Cylinder (Skirt) - Dia. |
.019L |
.023L |
.035L |
| |
Piston in Cylinder (bottom land) - Dia. |
.045L |
.053L |
.065L |
| |
|
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| Piston Rings - (4 Ring) |
|
|
|
| |
Top Ring in Groove - Side |
.006L |
.0075L |
.011L |
| |
2nd. Ring in Groove - Side |
.004L |
.0055L |
.009L |
| |
3rd. Ring in Groove - Side |
.002L |
.0035L |
.007L |
| |
Bottom Ring in Groove - Side |
.002L |
.0035L |
.007L |
| |
Top Ring in Groove - Gap |
.030 |
.040 |
.075 |
| |
2nd. Ring in Groove - Gap |
.010 |
.020 |
.050 |
| |
3rd. Ring in Groove - Gap |
.010 |
.020 |
.050 |
| |
Bottom Ring in Groove - Gap |
.010 |
.020 |
.050 |
| |
Top Ring (Gap Closed) - Tension |
8 lb. |
12 lb. |
|
| |
2nd. Ring (Gap Closed) - Tension |
8 lb. |
12 lb. |
|
| |
3rd. Ring (Gap Closed) - Tension |
8 lb. |
11 lb. |
|
| |
Bottom Ring (Gap Closed) - Tension |
8 lb. |
11 lb. |
|
| |
|
|
|
|
| Piston Rings - (3 Ring) |
|
|
|
| |
Top Compression Ring in Groove - Side |
.005L |
.0065L |
.010L |
| |
2nd. Compression Ring in Groove - Side |
.005L |
.005L |
.009L |
| |
Oil Control Ring in Groove - Side |
.000 |
.000 |
--- |
| |
Compression Rings (In Gage) - Gap |
.010L |
.020L |
.035L |
| |
Oil Control Ring (In Gage) - Gap |
.015L |
.060L |
.093L |
| |
|
|
|
|
| Plug in Piston Pin |
.003T |
.001T |
|
| |
|
|
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|
| Piston Pin |
|
|
|
| |
Piston Pin in Piston - Dia. |
.0004L |
.0011L |
|
| |
Piston Pin in Rod - Dia. |
.0008L |
.0015L |
.003L |
| |
Piston Pin and Plugs in Cylinder - End |
.004L |
.018L |
.035L |
| |
|
|
|
|
| Piston Pin Bushing in Rod |
.0055T |
.0035T |
|
| |
|
|
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|
| Rear Main Bearing Sleeve in Crankcase - Dia. |
.008T |
.005T |
|
| |
|
|
|
|
| Crankshaft Rear Main Ball Bearing |
|
|
|
| |
Crankshaft in Rear Main Ball Bearing - Dia. |
.0010T |
.0002L |
|
| |
Rear Main Bearing in Crankcase Sleeve - Dia. |
.0002L |
.0010L |
.0015L |
| |
|
|
|
|
| Crankshaft Front Main Ball Bearing |
|
|
|
| |
Crankshaft in Front Main Bearing - Dia. |
.0010T |
.0002L |
|
| |
Front Main Ball Bearing in Crankcase Sleeve - Dia. |
.0002L |
.0013L |
.0015L |
| |
|
|
|
|
| Thrust Bearing Sleeve in Crankcase - Dia. |
.008 |
.005 |
|
| |
|
|
|
|
| Thrust Bearing - Ball |
|
|
|
| |
Crankshaft in Thrust Bearing - Dia. |
.0010T |
.0002L |
.0015L |
| |
Thrust Bearing in Crankcase Sleeve - Dia. |
.0002L |
.0010L |
.0015L |
| |
|
|
|
|
| Thrust Bearing Nut |
|
|
|
| |
Thrust Nut in Cover - Dia. |
.006L |
.011L |
.020L |
| |
|
|
|
|
| Crankpin Plug in Crankpin - Dia. |
.0006T |
Size |
When badly scored |
| |
|
|
|
|
| Master Rod |
|
|
|
| |
Crankpin in Bearing Shell - Dia. |
.0015L |
.0023L |
.004L |
| |
Master Rod to Crankpin - End Play |
.004L |
.008L |
.020L |
| |
|
|
|
|
| Wrist Pin |
|
|
|
| |
Wrist Pin in Link Rod - Dia. |
.0010T |
.0002T |
when push fit |
| |
Wrist Pin in Wrist Pin Bushing - Dia. |
.0007L |
.0015L |
.0028L |
| |
Link Rod in Master Rod - End |
.005L |
.009L |
.015L |
| |
|
|
|
|
| Wrist Pin Bushing in Master Rod - Dia. |
.005T |
.003T |
|
| |
|
|
|
|
| Cylinder Barrel |
|
|
|
| |
Cylinder Barrel Bore - Taper (In distance swept by rings) |
|
|
.005 |
| |
Cylinder Barrel Bore - Out-of-Round (In distance swept by
rings) |
|
|
.005 |
| |
|
|
|
|
| Cam Ring and Bushing |
|
|
|
| |
Cam Ring on Bushing - Dia. |
.0025L |
.0041L |
.005L |
| |
Cam Ring and Bushing on Rear Main Bearing Sleeve - Combined
End Play |
.002L |
.018L |
.035L |
| |
|
|
|
|
| Cam Ring Bushinig on Rear Main Bearing Sleeve -
Dia. |
.0020L |
.0035L |
.0045L |
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| Cam and Magneto Drive Shaft |
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