Description
The Wiseco 646M04700 piston is essential for YZ80 riders who demand reliable performance without compromise. Built from high-silicon forged aluminum, this piston delivers the strength needed for consistent power delivery across demanding riding conditions. Whether you’re refreshing a tired top end or building a fresh engine, this kit provides everything necessary for a complete, professional-grade installation.
- High-silicon forged aluminum
- 47.00 mm bore diameter
- Includes piston rings
- Wrist pin included
- Circlips for secure fit
- Reduces friction losses
- Lightweight construction
- Yamaha YZ80 (1993-2001)
- 2-stroke compatible
- Bolt-on installation









