1977 Honda CB750F Carb Floats, Pump & Screw Kits

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Honda CB750 CB650 CB450 carb pump diaphragm 16021-393-004

Honda CB750 / CB650 / CB450 Carb Pump Diaphragm ~ Replaces 16021-393-004

$27.95 USD

Rebuild your Keihin carb's accelerator pump with this Carb Pump Diaphragm, replacing OEM #16021-393-004 / #16021-393-014 / #16021-MC9-771. Kit contains 1 diaphragm with rod...

Honda CB1100 CB1000 CB900 CB750 float bowl drain screw o-rings pk 4

Honda CB Float Bowl Drain Screw O-Rings Pk/4

$5.80 USD

Replace your float bowl drain screw O-rings with this Float Bowl Drain Screw O-Rings 4-Pack.Key Features• Float bowl drain screw O-rings• 4 per packFitment...

Honda CB1100 CB1000 CB900 CB750 CB550 air screw needle o-ring

Honda CB Air Screw Needle O-Ring

$1.95 USD

Replace your air screw needle O-ring with this Air Screw Needle O-Ring, 2.8mm x 1.2mm.Note: sold each, order the quantity you require.Key Features• Air...

Honda CB750F CB750K carb overflow guide 11355-300-000

1971-78 Honda CB750F / CB750K Carb Overflow Guide ~ Replaces 11355-300-000

$7.50 USD

Replace your carb overflow guide with this Carb Overflow Guide, replacing OEM #11355-300-000.Key Features• Carb overflow guide• Replaces OEM #11355-300-000• Honda part name: Guide,...

Honda CB1100 CB1000 CB900 CB750 float bowl drain screw -a

Honda CB Stock Type Float Bowl Drain Screw ~-A

$6.50 USD

Small part, but an important one. This float bowl drain screw with included O-ring allows you to properly drain the carburetor bowl without leaks,...

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1977-78 Honda CB750F / CB750K Carburetor Screw Kit

$19.95 USD

Refresh your 1977-78 CB750 carb screws with this Carburetor Screw Kit. Get a new set of screws to clean up the look of your...

Honda CB1100 CB1000 CB900 CB750 float bowl drain screw

Honda CB Stock Type Float Bowl Drain Screw

$6.50 USD

Replace your stock-type float bowl drain screw with this Float Bowl Drain Screw with O-Ring for the later DOHC and Nighthawk lineup.Note: sold each,...

Honda CB750 CB650 CB550 CB125 carb float 16013-405-004

Honda CB750 / CB650 / CB550 / CB125 Carb Float ~ Replaces 16013-405-004

$27.95 USD

Replace your late-'70s CB carb float with this Carb Float with Pin, replacing OEM #16013-405-004 / #16013-393-004 / #16013-KCY-670 / #16013-MN1-671.4 carb floats are...

1976-78 Honda CB750A / CB750F / CB750K Carb Bolt Kit

$26.95 USD

Restore your carburetor hardware with this Carburetor Bolt and Washer 46-Piece Kit, a complete bolt kit for all 4 carburetors.Key Features• Carburetor bolt and...

Honda CB750 / CB550 / CB400 / CB350 Keihin PD Carburetor Felt Throttle Shaft Seal Set/6

$21.95 USD

Replace worn or missing felt throttle shaft seals during carburetor service on compatible vintage Honda CB models with Keihin PD carburetors. These felt seals...

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1977 Honda CB750F · Floats & carb parts Buying guide

Choosing floats and carburetor hardware

A float, accelerator-pump diaphragm and screw kit cover different repair needs. Identify the carburetors fitted, then compare the required hardware with the contents of each package before buying overlapping kits.

Carb parts to consider

Honda CB750 / CB650 / CB550 / CB125 Carb Float ~ Replaces 16013-405-004

Carb float with pinFloat with pin, replacing 16013-405-004 / 16013-393-004 / 16013-KCY-670 / 16013-MN1-671.View part

Honda CB750 / CB650 / CB450 Carb Pump Diaphragm ~ Replaces 16021-393-004

Pump diaphragmDiaphragm with rod and bellows rubber for the Keihin accelerator pump.View part

1977-78 Honda CB750F / CB750K Carburetor Screw Kit

Carb screw kitCarburetor screw kit 49-0772, listed for the 1977–78 CB750F.View part

Accelerator-pump diaphragm

Diaphragm 20-9040 supplies one diaphragm with rod and one bellows rubber. Its replacement references are 16021-393-004, 16021-393-014 and 16021-MC9-771, with a listed 1977–78 CB750F application.

Single-part orders

Float 20-6509 is supplied as one float with its pin. Drain screw 48-5042 is sold individually with its O-ring, so a separate seal is already covered when buying that screw.

Carb component questions

How does the screw kit differ from the 46-piece bolt kit?

Screw kit 49-0772 itemizes four drain screws with O-rings plus one 4 × 8, eleven 4 × 12 and twelve 4 × 16 screws with lock washers. Kit 73-1043 is a 46-piece bolt-and-washer kit listed for all four carburetors; its contents exclude gaskets, fuel seals, jets and internal metering parts. Choose the kit for the hardware and seals required rather than assuming the two packages contain the same parts.

Will the felt throttle-shaft seals suit replacement carburetors?

The six-piece felt set is listed for compatible Keihin PD carburetors and includes the 1977–78 CB750F application. If the carburetors have been changed, identify them first; the motorcycle’s model year alone does not establish the replacement carburetors’ seal requirements.

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