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Boyesen PW-23 Powerwing


***Please note, this item will take an additional 5 business days to process before it ships and you receive tracking information.***

Increases horsepower and torque on 2- and 4-stroke bikes.
Aerodynamic design maximizes velocity and power gain.
Wing channel minimizes jet needle disturbance.
Cleaner jetting for crisp response and acceleration.
Precision fit assures perfect alignment and easy installation.
On 2-stroke improves power from idle to midrange with no loss of top end.
On 4-stroke power boost from idle through over-rev.

Yamaha YFZ450 2004-2009
Yamaha YFZ450 Bill Balance Edition 2006-2007
Yamaha YFZ450 SE 2007-2008

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