This Yamaha 4R4-82305-10-00 IGNITOR UNIT ASSY 1 fits the following models and components:
yamaha motorcycle 1982 xs400sj electrical - 2
yamaha motorcycle 1981 xs400 - xs400h electrical - 2
yamaha motorcycle 1981 xs400sh electrical - 2
yamaha motorcycle 1980 xs400g electrical - 2
yamaha motorcycle 1980 xs400sg electrical - 2