Honda CB750 CB650 CB900 CB1000 Ignition Spark Unit - Replaces Honda OEM 30400-MA4-601. This ignition trigger unit sends the timing signal used by the matching electronic ignition system. Install this ignition spark unit after checking the related wiring, grounds, connectors, battery condition, and system voltage. Fitment / Compatibility Fits Honda: CB1000C (1983) CB1100F (1983) CB650 (1979-82) CB650C (1980-81) CB650SC (1982) CB750C (1980-82) CB750F (1979-82) CB750K (1979-82) CB750L (1979) CB750SC (1982-83) CB900C (1980-82) CB900F (1981-82) CBX1050 (1981-82) CX500C (1982) CX650C (1983) GL1100 (1980-83) GL1100A (1982-83) GL1100I (1980-83) GL500 (1981-82) GL500I (1981-82) GL650 (1983) GL650I (1983) Product Details Replaces Honda OEM 30400-MA4-601 Part type: ignition trigger unit Sold individually Before Ordering Use OEM/reference 30400-MA4-601 to confirm the correct application Confirm voltage, connector style, wire count, ground path, and AC/DC system type for this ignition spark unit