Description
Features
- Forged from high-silicon alloy for maximum strength and dependability
- Wiseco offers a complete range of popular piston models and years for both trail and racing applications
- Kit includes piston, rings, circlips and wrist pin
| Position | Notes | |||
|---|---|---|---|---|
| 1982-1983 | Yamaha | YZ490 | - | - |
| 1983-1984 | Yamaha | IT490 | - | - |
