Wossner Piston Yamaha YZ250F 01-04 / WR250F 01-04 (Pro) (Hi-Comp) Category_Knee Guards & Braces This is an AC-to-DC ignition

This is an AC-to-DC ignition conversion CDI box

Main Outer Material: Leather

Zero-degree steel belt technology promotes excellent dynamical performances when riding at high speed

Semi waffle pattern improves hand control and reduces vibration

All kit components are backed by a lifetime life warranty

Wossner Piston Yamaha YZ250F 01-04 / WR250F 01-04 (Pro) (Hi-Comp) Category_Knee Guards & Braces This is an AC-to-DC ignitionWossner 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