Description
The Wiseco Piston Kit for your Yamaha PW50 delivers the precision engineering your engine needs to maintain consistent performance across 45+ years of production. Whether you’re rebuilding after high hours or upgrading a stock engine, this kit ensures proper ring seal, reduced blow-by, and improved power delivery. Wiseco’s manufacturing standards guarantee a perfect fit and reliable durability for both trail riding and competitive use.
This is a piston-only kit—you’ll need to source a gasket set separately to complete your top-end rebuild.
- Fits: Yamaha PW50 (1981-2025)
- MPN: 653M04200
- Material: Premium forged aluminum
- Application: 2-stroke engines
- Installation: Requires engine disassembly
- Includes: Piston, rings, wrist pin
- Gasket set: Sold separately
- Use: Recreation and racing









