BOYESEN Rad membraan systeem - Yamaha YZ125 You will need to remove

You will need to remove flywheel initially to fit the two 'top-hat' threatened parts that need to be located in place

today's Moto-3 is everything it was style-wise

Athena gaskets re the fruit of over forty years of experience in the sector

allowing one more gear to be used

New dual button plunger sits further away to give greater clearance (KTM)

BOYESEN Rad membraan systeem - Yamaha YZ125 You will need to removeBoyesen 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