Description
Features
- Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication
- Lightweight piston with a tight piston wall clearance for a quieter running engine
- Skirt coated for reduced friction and improved break in performance
- Ring land treatment for improved ring seal and oil control
- Double bridged forging design where noted
- Kit includes piston, rings, wrist pin and pin locks
| Position | Notes | |||
|---|---|---|---|---|
| 2003-2015 | Yamaha | WR450F | - | - |
| 2003-2004 | Yamaha | YZ450F | - | - |
