Carb Pump Diaphragm for Keihin Carbs - Replaces OEM #'s 16021-393-004 / 16021-393-014 / 16021-MC9-771
Kits contain: 1 Diaphragm with Rod and 1 Bellow Rubber
Fits: Honda CB750K (1977-78),
CB750F (1977-78) Supersport,
CB750A (1976-78) Hondamatic
Fits: Honda CB650 (1979/1981-82) - Only fits if bike requires a 89mm end to end pin
CB650C (1981) Custom - Only fits if bike requires a 89mm end to end pin
CB650SC (1982) Nighthawk - Only fits if bike requires a 89mm end to end pin
Check the pin length on your old carb pump diaphragm before ordering
Fits: Honda CB450SC (1983/1985-86) Nighthawk
