BOYESEN Rad membraan systeem - Yamaha YZ250 Durable smooth rolling rollerblade style

Durable smooth rolling rollerblade style wheels

Engagement curve designs updated to better match modern motorcycle engine characteristics

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

65/85cc-naven geschikt voor 32 spaken

BOYESEN Rad membraan systeem - Yamaha YZ250 Durable smooth rolling rollerblade styleBoyesen 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