1. Check: timing chain (1)
Damage/sitffness → Replace the timing chain and its respective camshaft sprockets as a set.
![](https://motoinstruction.ru/img/yamaha/16/122324.jpg)
2. Check: camshaft sprocket
Damage/wear → Replace the respective camshaft sprockets and the respective timing chain as a set.
3. Check:
- timing chain guide (exhaust side) (1)
- timing chain guide (intake side) (2)
Damage/wear → Replace the defective part(-s).
![](https://motoinstruction.ru/img/yamaha/16/122325.jpg)