Meticulously engineered using the highest quality materials and industry leading technology to provide the best replacement sprockets for your motorcycle. BikeMaster® Rear Sprockets are machined from 1045 steel and coated with a beautiful black Cataphoresis finish. A perfect match for the BikeMaster® line of chains.

This Part Fits:

Year	Make	Model	Submodel
1986-1988,1990	Yamaha	BW80	Base
1977-1983	Yamaha	DT100	Base
1977	Yamaha	LB80 Chappy	Base
1979-1983	Yamaha	MX100	Base
1983,1985,1991-2006	Yamaha	PW80	Base
1990-2000	Yamaha	RT100	Base
2000-2003	Yamaha	TTR90	Base