Vortex Racing Aluminum Rear Sprocket 520 51 Tooth- Blue

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass.

This Part Fits:

Year	Make	Model	Submodel
1989-1992	Yamaha	YZ125	Base
1990	Yamaha	YZ250WR	Base