Description
If you’re rebuilding a YZ80 or chasing consistent power delivery on the track, a worn piston directly impacts compression, throttle response, and overall engine reliability. The Wiseco 457M05100 delivers the precision fit and thermal stability 2-stroke engines demand, whether you’re putting in casual trail miles or competing hard. This complete kit eliminates guesswork—everything you need to get back to peak performance is included.
- 2.00mm oversize bore
- 52.95mm piston diameter
- Forged aluminum construction
- CNC-machined precision
- Includes rings, pins, circlips
- Yamaha YZ80 1976–1980 fitment
- High-temperature thermal stability
- Bolt-on installation ready
