Wossner Piston Yamaha YZ250F 19 size:Piston A (Standard) modifications to the jetting may

modifications to the jetting may be required

Resistance to high continuous temperature

Thickness: 21 mm

Constructed with a 22mm external hex head and a 3/8" square socket drive for use with spanners and torque wrenches for accurate tightening

Wossner Piston Yamaha YZ250F 19 size:Piston A (Standard) modifications to the jetting mayWossner 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