Description
The stock piston in your CRF250R is a compromise between cost and performance—it’s time to upgrade. A quality aftermarket piston like this Wiseco kit will sharpen throttle response, reduce combustion losses, and deliver measurable gains in power output. If you’re serious about extracting every ounce of performance from your 250cc engine, this is where you start.
Wiseco has engineered this piston specifically for the CRF250R/X platform, ensuring precise fitment and reliable performance whether you’re racing or riding hard on the weekends. The lightweight construction reduces rotational mass, which means faster acceleration and quicker engine revving. Installation is straightforward with standard hand tools, though we recommend having a gasket kit on hand for a complete top-end refresh.
- Fits: Honda CRF250R/X (2004–2007)
- MPN: 4829M07800
- Material: High-strength alloy
- Design: Lightweight, optimized
- Installation: Bolt-on with standard tools
- Improves: Power, throttle response
- Reduces: Engine rotational mass
- Gasket kit: Sold separately
- Application: Racing and recreational









