XJ400, XS400 DOHC, XJ550, FZ600, XJ600 (80-91), XJ650, XS650 TC1, XS650SE, XJ700X, XJ750/ ... extremely rugged 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 ...