Cylinder Works 07-15 WR 450 F/06-09 YZ 450 F Standard Bore Cylinder Kit

OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.

This Part Fits:

Year	Make	Model	Submodel
2007-2015	Yamaha	WR450F	Base
2006-2009	Yamaha	YZ450F	Base