Out of specification → Replace the main axle.
- Main axle runout limit: 0.08 mm
![](https://motoinstruction.ru/img/yamaha/16/122398.jpg)
2. Measure: drive axle runout (with a centering device and dial gauge)
Out of specification → Replace the drive axle.
- Drive axle runout limit: 0.08 mm
3. Check:
- transmission gears. Blue discoloration/pitting/wear → Replace the defective gear(-s).
- transmission gear dogs. Cracks/damage/rounded edges → Replace the defective gear(-s).
![](https://motoinstruction.ru/img/yamaha/16/122399.jpg)
4. Check: transmission gear movement
Rough movement → Replace the defective part(-s).
5. Check: washers
Damage/bends/looseness → Replace.
6. Check: bearings
Un smooth → Replace.
![](https://motoinstruction.ru/img/yamaha/16/122400.jpg)