Front cylinder
1. Straighten the lock washer tab.
2. Remove: primary drive gear nut (1)
Note: While holding the generator rotor with the sheave holder, loosen the primary drive gear nut.
![](https://motoinstruction.ru/img/yamaha/16/122323.jpg)
3. Remove:
- timing drive gear (2)
- dowel pins
- springs
Note: When removing the timing drive gear, the dowel pins and springs are scatter and dropping down. Do not missing them.
Rear cylinder
Note: When removing the rear cylinder timing gear, repeat the front cylinder timing gear removal procedure. However, note the following points.
1. Remove:
- rotor assembly
- dowel pins
- springs
- timing drive gear. Refer to "Generator and starter clutch".