Description
The BOYESEN Radiator Valve optimizes intake charge distribution across all cylinders, delivering sharper throttle response and measurable horsepower gains throughout your RPM range. By maintaining consistent flow velocity and redirecting the charge evenly to each intake port, this valve eliminates the flat spots that cost you performance on the track. A bolt-on upgrade that pays dividends in torque and overall engine responsiveness.
- Application: CR125 ’88-’91
- Material: Cast aluminum
- Design: Dual-stage reed cage
- Installation: Bolt-on
- Quantity: One per cylinder
- MPN: RAD-01A
- Function: Intake charge distribution
- Benefit: Increased torque output
- Benefit: Sharpened throttle response
- Benefit: Broader powerband









