BOYESEN Rad membraan systeem - Yamaha YZ250 Twist the grip to the

Twist the grip to the correct position and leave to dry

Extreme Vibration Resistance

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the internal wall of EXP 4

BOYESEN Rad membraan systeem - Yamaha YZ250 Twist the grip to theBoyesen 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