Wossner Piston Yamaha YZ250F '19-'22 / FX '20-'21 76.96mm 14.00:1 thumpstar Kit includes necessary all O-rings

Kit includes necessary all O-rings gaskets jets needle mixture screw float bowl screws float valve needles and seat

Reversible for easy cleaning

Internal diameter (Coil wire) : 6

Aluminium construction prevents rounding the fork caps

mirrors and plastics

Wossner Piston Yamaha YZ250F '19-'22 / FX '20-'21 76.96mm 14.00:1 thumpstar Kit includes necessary all O-ringsWossner 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