BOYESEN Rad membraan systeem - Yamaha YZ125 With the power transition smoothed

With the power transition smoothed out the YZ450F has more connectivity to the dirt

resulting in a smoother chassis

and it is used by our support factory team in the World MXGP

Replacement gasket for cover: 650240

fabrics and design of the official teams of the Motocross World Championship

BOYESEN Rad membraan systeem - Yamaha YZ125 With the power transition smoothedBoyesen 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