Complete piston kit for top-end overhaul. A piston kit is replaced in case of compression loss, after an engine seizure, or as part of periodic overhaul work.
Wiseco is an American manufacturer of forged pistons, crankshafts, and clutch components, with a long history in motocross and racing.
Fits these engines
- Yamaha YZ250 1999-2022
- Yamaha YZ250X 2016-2022
- Brand: Wiseco
- Type: Piston Kit
- Engine brand: Yamaha
- Model: YZ250, YZ250X
- Year: 1999-2022
- Article number: 398-804M06640B
Are you unsure about the correct size or application? Please contact us, and we'll help you check before you order.