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, spacer, mainshaft bearing adjusting shim 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 the specified torque. [1][2]Mechanical Specifications




4. Re-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 with Specifications table as a guide. [1][2]Mechanical Specifications
7. Check total turning torque after assembling - Refer to "ASSEMBLY". Assembly