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top-end gaskets and pin bearing (for two-strokes) when the time comes
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
Numerous recesses and slots for straps offer a variety of lashing options
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
