Description
If you’re running a YFS200 Blaster and want to restore lost compression or build more power, a quality piston kit is essential. The Wiseco 66.75mm piston delivers the precision fit and material quality you need for reliable performance, whether you’re racing or putting in serious recreational miles. This is a direct upgrade that improves throttle response and engine longevity without requiring additional gasket work.
Wiseco pistons are engineered to exacting tolerances, meaning you get consistent ring seating, reduced blowby, and better combustion efficiency from the moment you fire it up. Installation is straightforward for anyone comfortable with basic engine work, though we recommend professional assembly if you’re unfamiliar with piston installation procedures.
- Diameter: 66.75mm
- Material: Forged aluminum alloy
- Application: Yamaha YFS200 Blaster (1988–2006)
- MPN: 573M06675
- Fitment: Direct replacement
- Installation: Bolt-on
- Improved ring seating
- Reduced blowby
- Enhanced throttle response
- Racing and recreational use
