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Caged needle roller bearings provide the highest possible rpm
Graphic kit: radiator shrouds
Forward and backward facing teeth help increase rider grip even when the teeth start to wear
RFX Gas Tank Valves are CNC Machined and featuring a one way valve to allow the gas tank to breath but stop fuel from spilling out after a fall
2023 Yamaha YZ450F
BOYESEN Rad membraan systeem - Yamaha YZ125 Caged needle roller bearings provideBoyesen 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
