BOYESEN Rad membraan systeem - Yamaha YZ250 mud and grime to help

mud and grime to help make sure your engine is not only protected but can still breathe freely in the most brutal conditions

Durable smooth rolling rollerblade style wheels

Engagement curve designs updated to better match modern motorcycle engine characteristics

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

Capacity 10hr (Ah): 16

BOYESEN Rad membraan systeem - Yamaha YZ250 mud and grime to helpBoyesen 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