FITTING OF THIS PRODUCT: According to the data provided by the manufacturer, this article is valid for the following brands, models and years:YAMAHA XS 250 1979-1979 YAMAHA RD 400 1979-1979 YAMAHA XS 400 1977-1977 YAMAHA SR 500 1978-1991 YAMAHA XS 500 1977-1978 YAMAHA XJ 650 MAXIM 1980-1982 YAMAHA XJ 650 MAXIM L 1981-1982 YAMAHA XS 650 1975-1981 YAMAHA XS 650 S 1980-1983 YAMAHA XS 750 1977-1979 YAMAHA XS 750 S 1978-1979 YAMAHA XS 850 1981-1981 YAMAHA XV 920 VIRAGO 1981-1983 YAMAHA XV 1000 TR1 1981-1983 YAMAHA XS 1100 1000 1979-1981