- Bearing «1»
- Oil pipe «2»
Note: Make the seal side of bearing face to the outside and install it close to the right end face of the crankcase.
![](https://motoinstruction.ru/img/yamaha/3/112006.jpg)
2. Install:
- Main axle assembly «1»
- Bearing housing «2»
- Shift fork «C»
- Shift drum assembly
- Shift fork guide bar
- Shift fork guide bar retainer
Bearing housing bolt: 12 Nm (1.2 m·kg, 8.7 ft·lb) LOCTITE®
Shift fork guide bar retainer bolt: 10 Nm (1.0 m·kg, 7.2 ft·lb) LOCTITE®
Notes:
- The embossed marks on the shift forks should face towards the right side of the engine and be in the following sequence: «R», «C», «L».
- Carefully position the shift forks so that they are installed correctly into the transmission gears.
- Install shift fork «C» into the groove in the 3rd and 4th pinion gear on the main axle.
![](https://motoinstruction.ru/img/yamaha/3/112007.jpg)
3. Install:
- Shift fork «L» «1» and «R» «2»
- Drive axle assembly «3»
- Shift fork guide bar
- Shift fork guide bar retainer «4»
Shift fork guide bar retainer bolt: 10 Nm (1.0 m·kg, 7.2 ft·lb) LOCTITE®
Notes:
- Install shift fork «L’ into the groove in the 6th wheel gear and shift fork «R» into the groove in the 5th wheel gear on the drive axle.
- Make sure that the drive axle bearing circlip «a’ is inserted into the grooves in the upper crankcase.
![](https://motoinstruction.ru/img/yamaha/3/112008.jpg)
![](https://motoinstruction.ru/img/yamaha/3/112009.jpg)
![](https://motoinstruction.ru/img/yamaha/3/112010.jpg)
4. Check:
- Transmission
Rough movement → Repair.
Note: Oil each gear, shaft, and bearing thoroughly.