Compatibility YZ250 1974 USAYZ360 1974 USAMX250 1975 USAMX400 1975 USAYZ250 1975 USAYZ360 1975 USAIT400 1976 USATT500 OFFROAD 1976 USAYZ250 COMPETITION 1976 USAYZ250 COMPETITION 1977 USAYZ250 COMPETITION 1978 USAYZ400 COMPETITION 1976 USAYZ400 COMPETITION 1977 USAYZ400 COMPETITION 1978 USATT500 OFFROAD 1977 USATT500 OFFROAD 1978 USA CANADAIT250 1979 USA CANADA SOUTHAFRICAIT400 1979 USATT500 OFFROAD 1979 USA CANADAYZ250 1979 USAYZ400 COMPETITION 1979 USAIT250 1980 (A) USAIT425 1980 (A) USATT500 OFFROAD 1980 (A) USATT500 OFFROAD 1981 (B) USA