BOYESEN 2001 RM125 BOYESEN RAD VALVE RAD-21G Side Panels Yamaha YZ400F 99 rear

Yamaha YZ400F 99 rear

Easy Installation: Dome-head banjo bolts provide a clean look and facilitate installation in confined spaces

and this one will be no different

- GAS GAS EC 250 2025

TXT 280 Trials (2023)

BOYESEN 2001 RM125 BOYESEN RAD VALVE RAD-21G Side Panels Yamaha YZ400F 99 rearBoyesen Rad Valve RAD 21G RAD21G 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