BOYESEN RAD VALVE 89-92 YZ125, BLOCK RAD-33, RAD-33 Mens/Womens Yamaha YZ450F 2013

Yamaha YZ450F 2013

Construction / design: Complete kit with friction plates

ZX400 (1985)

(MPN): 110365

2015 - 2026 250 EXC-F

BOYESEN RAD VALVE 89-92 YZ125, BLOCK RAD-33, RAD-33 Mens/Womens Yamaha YZ450F 2013Boyesen Rad Valve RAD 33 RAD33 Now delivered with carbon fiber reeds for even greater performance gains Maintains flow velocity through the valve and redirects intake charge for more even distribution to the intake ports Sharper, quicker throttle response Added torque improves performance on hills, through corners and over technical jumps Increases horsepower in low , middle and especially the top end ranges One piece aluminum casting, no trimming or