Wossner Piston Yamaha YZ250F 19 size:Piston A (Standard) Ball Joints feature HD steel

Ball Joints feature HD steel cases with POM-M90 bearing material for long life

This stops the plates from vibrating which can breakdown the plate and cause short circuits between the plates or break plate welds which result in battery failure

7 LEDs the indicators

The fully synthetic base oils combined with the N-TECH® additive system

Piston Size: 63

Wossner Piston Yamaha YZ250F 19 size:Piston A (Standard) Ball Joints feature HD steelWossner 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