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 track record 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: 398-804M06640A
Are you unsure about the correct size or application? Contact us, and we'll help you before you order.