Honda 76-78 CB750 83-86 CB450 Nighthawk CM450 Accelerator Pump Diaphragm Set
Aftermarket accelerator pump diaphragm with spring, o-ring, and shaft cover. All parts shown in picture.
Shaft is 89.5mm long.
Fitment list provided for reference.
Part # = 16021-MC9-771
Part Description = DIAPHRAGM SET, PUMP
Model Count = 4
CB450SC-D 1983 450 Nighthawk 450 Street
CB450SC-F 1985 450 Nighthawk 450 Street
CB450SC-G 1986 450 Nighthawk 450 Street
CM450E-D 1983 450 CM450E Street
Part # = 16021-393-004
Part Description = DIAPHRAGM SET, PUMP
Model Count = 6
CB750A-76 1976 750 CB750A Hondamatic Street
CB750A-77 1977 750 CB750A Hondamatic Street
CB750F-K7 1977 750 750 Super Sport Street
CB750F-K8 1978 750 750 Super Sport Street
CB750-K7 1977 750 750 Four Street
CB750-K8 1978 750 750 Four Street
Part # = 16021-393-014
Part Description = DIAPHRAGM SET, PUMP
Model Count = 1
CB750A-78 1978 750 CB750A Hondamatic Street
Aftermarket accelerator pump diaphragm with spring, o-ring, and shaft cover. All parts shown in picture.
Shaft is 89.5mm long.
Fitment list provided for reference.
Part # = 16021-MC9-771
Part Description = DIAPHRAGM SET, PUMP
Model Count = 4
CB450SC-D 1983 450 Nighthawk 450 Street
CB450SC-F 1985 450 Nighthawk 450 Street
CB450SC-G 1986 450 Nighthawk 450 Street
CM450E-D 1983 450 CM450E Street
Part # = 16021-393-004
Part Description = DIAPHRAGM SET, PUMP
Model Count = 6
CB750A-76 1976 750 CB750A Hondamatic Street
CB750A-77 1977 750 CB750A Hondamatic Street
CB750F-K7 1977 750 750 Super Sport Street
CB750F-K8 1978 750 750 Super Sport Street
CB750-K7 1977 750 750 Four Street
CB750-K8 1978 750 750 Four Street
Part # = 16021-393-014
Part Description = DIAPHRAGM SET, PUMP
Model Count = 1
CB750A-78 1978 750 CB750A Hondamatic Street