Description
A worn or damaged piston directly compromises engine compression, throttle response, and overall reliability—especially critical in a two-stroke where the piston cycles thousands of times per minute. The Wiseco 515M06900 restores your IT 250 to factory specifications with precision-engineered construction that maximizes power delivery and engine longevity. If you’re rebuilding after a top-end failure or simply upgrading to a higher-quality OEM replacement, this kit delivers the durability and performance your machine demands.
- High-silicon aluminum alloy
- CNC-machined to specification
- Advanced forging technology
- Optimized combustion geometry
- Reduced wear characteristics
- Fits Yamaha IT 250 (1983)
- Fits Yamaha YTZ 250 Tri-Z (1985–1986)
- Enhanced fuel efficiency
- OEM-equivalent reliability
- MPN: 515M06900









