XJ400, XS400 DOHC, XJ550, FZ600, XJ600 (80-91), XJ650, XS650 TC1, XS650SE, XJ700X, XJ750/J/XS, XJ900/1100 ... and reliable.Fits: Road BikesYAMAHA:XJ400, XS400 DOHC, XJ550, FZ600, XJ600 (80-91), XJ650, XS650 TC1, XS650SE, XJ700X, XJ750/J/XS, XJ900/1100 ... XJ400, XS400 DOHC, XJ550, FZ600, XJ600 (80-91), XJ650, XS650 TC1, XS650SE Motorcycle Regulator Rectifier