Vertex Pistons 05-14 WR 250 F/05-13 YZ 250 F Forged Big Bore Piston Kit

Exact fit A, B or C pistons match your cylinder bore perfectly to maximize power and performance, while reducing blow-by and oil consumption. All piston kits include piston, rings, wrist pin and circlips required.

This Part Fits:

Year	Make	Model	Submodel
2005-2013	Yamaha	WR250F	Base
2005-2007	Yamaha	YZ250F	Base