Description
The BOYESEN Radiator Valve optimizes intake charge distribution across your CR250’s cylinder, delivering sharper throttle response and increased horsepower throughout the entire RPM range. By maintaining consistent flow velocity and redirecting the intake charge evenly to all ports, this valve transforms how your engine breathes under acceleration. If you’re serious about extracting every bit of performance from your two-stroke, this is a fundamental upgrade that pays dividends on the track or trail.
- Dual-stage reed design
- Cast aluminum construction
- Bolt-on installation
- Enhanced torque delivery
- Improved throttle response
- Even port distribution
- One per cylinder
- CR250 ’05-’07 fitment
- Patented reed cage
- MPN: RAD-02I






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