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
One piece design and Easy installation
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
