BOYESEN Rad membraan systeem - Yamaha YZ250 top-end gaskets and pin bearing

top-end gaskets and pin bearing (for two-strokes) when the time comes

allowing the EXP disk to perform what you’d normally do by pulling in the lever

New Vforce4Ri features:

Durable smooth rolling rollerblade style wheels

BOYESEN Rad membraan systeem - Yamaha YZ250 top-end gaskets and pin bearingBoyesen engineers have applied a range of technical innovations to their range of intake systems to ensure optimal power, torque and smoothness: Aerodynamic Surface Optimization, Model Specific Reed Petal Tensioning (specific valve for each model) , Material Fuel Resistance (materials resistant to hydrocarbons) and Multi Stage Reed Timing (valves that open in stages). The BOYESEN valve diaphragms have been specially developed for each engine model