Wossner Piston Yamaha YZ250 99+ size:Piston B (+0.01mm) As well as being hydration

As well as being hydration pack prepared

SILMAR9A9S

then it can be washed away with water

They are sold (when necessary) complete with o-ring kit

Wossner Piston Yamaha YZ250 99+ size:Piston B (+0.01mm) As well as being hydrationWossner 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