Description
A piston kit is the foundation of reliable top-end performance, and the Wiseco PK1902 delivers the durability required for sustained high-RPM operation on your YZ250F. This complete kit eliminates guesswork by pairing a forged piston with matched rings, pins, and gaskets—all engineered to work as a system. Whether you’re rebuilding after wear or upgrading for competition, Wiseco’s precision manufacturing ensures you won’t be left stranded mid-season.
The high-silicone forged construction reduces thermal expansion and resists detonation, critical factors in 2-stroke engines where reliability directly impacts race results. This kit is vehicle-specific to the 2012–2013 YZ250F, so fitment is guaranteed—just ensure your top-end machine work is clean before installation.
- Fits: Yamaha YZ250F 2012–2013
- MPN: PK1902
- Piston material: High-silicone forged
- Includes: Piston, rings, wrist pins
- Includes: Circlips, top-end gaskets
- Installation: Bolt-on top-end
- Ring compatibility: Wiseco rings only
- Application: 2-stroke performance
- Manufacturing: CNC precision-finished
