Wossner Piston Yamaha YZ250F 14-15 / WR250F 15+ (Pro) (Hi-Comp) size:Piston A (Standard) Some increase in weight to

Some increase in weight to BMW’s original smooths unwanted handlebar vibrations

The BMW S 1000 guards boast remarkable strength to weight ratio

Increasing power and torque throughout the entire RPM range offers a much smoother

There's no need to install a power-saving relay either

Flash Point COC: 255°C

Wossner Piston Yamaha YZ250F 14-15 / WR250F 15+ (Pro) (Hi-Comp) size:Piston A (Standard) Some increase in weight toWossner 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