1987-1990, 1994-1998 Yamaha YZ250 250 Green Chain And Sprocket 15/48 114L OEM replacement Steel Front and Rear Sprocket and Green Non O Ring Chain Average tensile strength of 7600 lbs Fits 1987 1988 1989 1990, 1994 1995 1996 1997 1998 Yamaha YZ250