1. Check:
- exhaust pipes (1)
- muffler (2). Cracks/damage → Replace.
- gaskets (3). Exhaust gas leaks → Replace.
![](https://motoinstruction.ru/img/yamaha/16/122208.jpg)
2. Check: tightening torque
- Exhaust pipe nut (4): 20 Nm (2.0 m·kg)
- Exhaust pipe and muffler bolt (5): 20 Nm (2.0 m·kg)
- Muffler and muffler bracket bolt (6): 25 Nm (2.5 m·kg)