BOYESEN KX80 85 100 BOYESEN RAD VALVE, BLACK RAD-10B, RAD10B Michelin 430 RR 15-25

430 RR 15-25

· Yamaha YZ250F 2010

KICK START - GREEN

Internal rounded thermoformed padding with an additional viscoelastic foam for a perfect fit and better protection of the rotula

Full torso & elbow protection

BOYESEN KX80 85 100 BOYESEN RAD VALVE, BLACK RAD-10B, RAD10B Michelin 430 RR 15-25Boyesen Rad Valve RAD 10B RAD10B 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