Mainshaft Bearing Preload

If any of the following parts are replaced, adjust mainshaft bearing preload.
- Mainshaft
- Mainshaft bearings
- Clutch housing
- Transmission case

1. Remove case cover, O-ring, mainshaft bearing adjusting shim, spacer and mainshaft rear bearing outer race from transmission case.
2. Install mainshaft assembly on clutch housing.
3. Install transmission case on clutch housing.
Tighten transmission case fixing bolts to 26 - 30 Nm (20 - 22 ft. lbs.)





4. Install mainshaft rear bearing outer race on inner race.





5. Measure distance from transmission case to bearing outer race. Make sure that bearing is properly seated.





6. Select shim from the illustration.
7. Check total turning torque after assembling.
Total turning torque (New bearing): 3.9 - 13.7 Nm (35 - 122 inch lbs.)