Note: Align the hole (a) on the starter clutch housing with the hole (b) on the rotor.
![](https://motoinstruction.ru/img/yamaha/16/122353.jpg)
- Starter clutch bolt: 12 Nm (1.2 m·kg) LOCTITE ®
2. Install:
- timing drive gear (1)
- springs (2)
- dowel pins (3)
![](https://motoinstruction.ru/img/yamaha/16/122354.jpg)
Note:
- Align the punch mark (a) on the timing drive gear with the key slide (b).
- Push the projections (c) on the timing drive gear into the space (d).
![](https://motoinstruction.ru/img/yamaha/16/122355.jpg)
3. Install: rotor assembly
Note:
- Insert the suitable pin (1) into the hole of timing chain drive gear sprocket and match the gear teeth.
- Align the punch mark (a) on the timing drive gear (2) the punch mark (b) on the timing chain drive gear sprocket and the key position (c) as shown.
- When installing the rotor, make sure the woodruff key is properly seated in the key way of the crankshaft.
![](https://motoinstruction.ru/img/yamaha/16/122356.jpg)
4. Tighten: nut (rotor) (1): 175 Nm (17.5 m·kg)
Note: Tighten the rotor nut (1) while holding the magneto rotor with a sheave holder (2).
![](https://motoinstruction.ru/img/yamaha/16/122357.jpg)
- Sheave holder: 90890-01701
4. Check: TDC on the compression stroke
If the marks do not align → Adjust.
a. Align the "T" mark (a) with the stationary pointer (b) on the left crankcase cover.
![](https://motoinstruction.ru/img/yamaha/16/122358.jpg)
b. When the "T" mark is aligned with the stationary pointer, the punch mark (c) on the camshaft sprocket should be aligned with the stationary pointer (d) on the cylinder head.
![](https://motoinstruction.ru/img/yamaha/16/122359.jpg)