Boyesen Power Reed Dualstage Yamaha Yz250 97-98 Armega Max torque is 50 lb/in

Max torque is 50 lb/in

Yamaha YZ450F 03-07 front

The seat button holds the front of the seat to the gas tank

Retail Friendly Box

Boyesen Power Reed Dualstage Yamaha Yz250 97-98 Armega Max torque is 50 lb/inOne reed petal is NOT enough! Boyesen's revolutionary dual stage reed design delivers more usable power than stock. Stock single stage reeds operate most effectively within a relatively narrow RPM range and are limited because of the single stage design. Boyesen's one soft reed on top of one firm flow through reed gives you a wide range of intake control, plus increased intake velocity. Your original reeds can't possibly duplicate that performance.