Part: JT 50 Tooth Steel Rear Sprocket 520 Pitch Part Number: JTR853.50 Pitch : 520 Tooth Count: 50 Sprocket Material: Steel Notes: The rear sprocket may be silver or black in color. We have no control over the color and we cannot take requests for a specific color. In most cases the sprocket will be silver. We will ship which ever color we currently have in stock. Applications - Off Road Yamaha YZ125 1980 OEM Sprockets Front-Rear: 12-48 OEM Pitch: 520 Yamaha YZ125 1981-1982 OEM Sprockets Front-Rear: 12-46 OEM Pitch: 520 Yamaha YZ125 1983 OEM Sprockets Front-Rear: 12-48 OEM Pitch: 520 Yamaha YZ125 1984 OEM Sprockets Front-Rear: 12-48 OEM Pitch: 520 Yamaha YZ125 1985 OEM Sprockets Front-Rear: 12-52 OEM Pitch: 520 Yamaha YZ125 1986 OEM Sprockets Front-Rear: 13-50 OEM Pitch: 520 Yamaha YZ125 1987 OEM Sprockets Front-Rear: 13-50 OEM Pitch: 520 Yamaha YZ125 1988 OEM Sprockets Front-Rear: 13-49 OEM Pitch: 520 Yamaha YZ125 1989 OEM Sprockets Front-Rear: 13-51 OEM Pitch: 520 Yamaha YZ125 1991-1992 OEM Sprockets Front-Rear: 13-51 OEM Pitch: 520 Yamaha YZ125 1993-1996 OEM Sprockets Front-Rear: 13-50 OEM Pitch: 520 Yamaha YZ125 1997-1998 OEM Sprockets Front-Rear: 13-48 OEM Pitch: 520 Yamaha IT175 1980-1982 OEM Sprockets Front-Rear: 12-44 OEM Pitch: 520 Yamaha IT175 1983 OEM Sprockets Front-Rear: 12-44 OEM Pitch: 520 Yamaha IT200 1984-1986 OEM Sprockets Front-Rear: 12-44 OEM Pitch: 520 Yamaha WR200R 1991-1992 OEM Sprockets Front-Rear: 13-52 OEM Pitch: 520 Yamaha IT250 1977 OEM Sprockets Front-Rear: 13-46 OEM Pitch: 520 Yamaha IT250 1978 OEM Sprockets Front-Rear: 14-46 OEM Pitch: 520 Yamaha IT250 1979-1980 OEM Sprockets Front-Rear: 13-48 OEM Pitch: 520 Yamaha IT250 1981-1982 OEM Sprockets Front-Rear: 13-50 OEM Pitch: 520 Yamaha IT250 1983 OEM Sprockets Front-Rear: 13-48 OEM Pitch: 520 Yamaha TTR250 1999-2006 OEM Sprockets Front-Rear: 13-52 OEM Pitch: 520 Yamaha WR250 1991-1996 OEM Sprockets Front-Rear: 14-52 OEM Pitch: 520 Yamaha YZ250 1974 OEM Sprockets Front-Rear: 13-50 OEM Pitch: 520 Yamaha YZ250 1976 OEM Sprockets Front-Rear: 13-50 OEM Pitch: 520 Yamaha YZ250 1975 OEM Sprockets Front-Rear: 13-52 OEM Pitch: 520 Yamaha MX250 1975 OEM Sprockets Front-Rear: 13-50 OEM Pitch: 520 Yamaha YZ250 1977 OEM Sprockets Front-Rear: 13-54 OEM Pitch: 520 Yamaha YZ250 1978-1979 OEM Sprockets Front-Rear: 13-48 OEM Pitch: 520 Yamaha YZ250 1980 OEM Sprockets Front-Rear: 13-48 OEM Pitch: 520 Yamaha YZ250 1981 OEM Sprockets Front-Rear: 14-48 OEM Pitch: 520 Yamaha YZ250 1982 OEM Sprockets Front-Rear: 13-45 OEM Pitch: 520 Yamaha YZ250 1983-1984 OEM Sprockets Front-Rear: 13-48 OEM Pitch: 520 Yamaha YZ250