Description
A piston is the heart of your engine’s combustion cycle, and choosing the right one directly impacts reliability, power delivery, and longevity. Wiseco’s forged high-silicon alloy construction delivers the strength needed for both aggressive trail riding and competitive racing, while their complete ring and circlip package eliminates the guesswork during rebuild. Whether you’re refreshing a tired top-end or building a high-revving race engine, this piston gives you the precision fit and durability that serious riders demand.
- Yamaha fitment
- .50mm oversize
- Model 394M08550
- Forged high-silicon alloy
- Includes rings
- Includes circlips
- Trail and racing rated
- CNC-precision engineered
- OEM-comparable reliability
