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New dual button plunger sits further away to give greater clearance (KTM)
pivots and adjusters
allowing one more gear to be used
Complete spring set
You will need to remove flywheel initially to fit the two 'top-hat' threatened parts that need to be located in place
BOYESEN Rad membraan systeem - Yamaha YZ125 New dual button plunger sitsBoyesen 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
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