BOYESEN Rad membraan systeem - Yamaha YZ125 exceptional strenght and endurance thanks

exceptional strenght and endurance thanks to the internal easily removable TPU wear pad

S3 Gas Gas Racing factory cylinder

Dust seals are made of Nitrile Butadiene Rubber and strictly molded to exact OEM specifications

High-quality materials and surface treatment

BOYESEN Rad membraan systeem - Yamaha YZ125 exceptional strenght and endurance thanksBoyesen 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