Description
Features
- Gravity cast aluminum alloy with 18% silicon to increase resistance to wear and decrease thermal distortion, thus providing a longer piston life
- Wrist pin is nitride-coated, providing a hardened, wear-resistant bearing surface
- Coated skirt ease break-in, decreasing wear and aiding in lubrication
- OE replacement with OE compression ratio
- Replacement rings are sold individually
- Wear-resistant piston rings
- Piston kit includes piston, rings, wrist pin and circlips
| Position | Notes | |||
|---|---|---|---|---|
| 1999-2023 | Yamaha | YZ250 | - | - |
| 2016-2023 | Yamaha | YZ250X | - | - |
