As low as $7.67/mo with or . (Pay in 4 interest-free payments)
Boyesen MOTORCYCLE RAD VALVE Unlock sharper throttle response and stronger, smoother power with the Boyesen MOTORCYCLE RAD VALVE . Engineered for two-stroke performance, this advanced intake system optimizes airflow velocity and fuel atomization for instant acceleration and broader power across the rev range. Whether you ride trails, moto, or race, the RAD Valve delivers proven gains with bolt-on simplicity and long-term reliability. Key Features Precision Intake Design: Streamlined reed cage and intake boot maximize charge velocity for crisp low-end and midrange pull. Improved Throttle Response: Quicker lift and cleaner transitions reduce bog and enhance corner exit speed. Durable Construction: High-quality materials resist fuel and heat for consistent performance ride after ride. Model-Specific Fitment: Tuned for popular two-stroke motorcycles for an exact fit and easy installation. Reed-Friendly Geometry: Extends reed life while maintaining optimal sealing and snap. Why Choose Boyesen With decades of racing innovation, Boyesen delivers components trusted by riders worldwide. The RAD Valve transforms engine response without complex engine work. What’s Included Boyesen RAD Valve assembly Integrated intake boot Gaskets and hardware (where applicable) Installation instructions Upgrade your intake, unleash your power, and ride with confidence.
Boyesen Engineering would like to introduce the all-new RC2 Series Rad Valve, designed to increase overall horsepower and throttle response in the Yamaha YZ250/250X KTM65SX and Kawasaki KX85/100
Each Boyesen RAD Valve is unique - tailor made to that model, year and displacement.
The intake charge is redirected for more even distribution to the intake ports
Constant flow velocity is maintained for instant throttle response and more horsepower
or 
. (Pay in 4 interest-free payments)
