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stiffness index 7
One of our core product line
allowing one more gear to be used
Athena gaskets re the fruit of over forty years of experience in the sector
BOYESEN Rad membraan systeem - Yamaha YZ125 stiffness index 7Boyesen 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
