Wossner Piston Yamaha YZ450F 14-17 / WR450F 16+ size:Piston A (Standard) Check or set ignition and/or

Check or set ignition and/or cam timing

Thermo foamed 3D air channels for maximum ventilation

Yellow: High Beam

Will not work on applications using loose ball-bearing or caged ball-bearing type steering bearings

Wossner Piston Yamaha YZ450F 14-17 / WR450F 16+ size:Piston A (Standard) Check or set ignition and/orWossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods and customer service. Features In house designed and manufactured; all forgings are produced in Wossner's company owned forging operation 4 stroke pistons are made using a double bridged forging design