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1978 Honda CB750A Fuel & Intake Parts

The 1978 CB750A fuel choices include a Hondamatic rebuild kit, individually supplied intake boots, a numbered holder set and tank fittings. Start with the part of the motorcycle needing attention. Carburetor service, intake connections and filler hardware call for different ordering checks.

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Honda motorcycle parts

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Honda CB750 stock type air filter 17211-405-000

1969-78 Honda CB750 Stock Type Air Filter ~ Replaces 17211-405-000

$25.95 USD
15-0060
Replace your SOHC CB750's stock air filter with this Stock-Type Air Filter, replacing OEM #17211-405-000.Key Features• Stock-type air filter• Replaces OEM #17211-405-000• Honda part...
Honda CB front fuel tank holder rubber 17611-283-010

Honda CB Front Fuel Tank Holder Rubber ~ Replaces 17611-283-010

$7.87 USD
02-6534
Secure the front of your fuel tank with this Front Fuel Tank Holder Rubber, a direct replacement for OEM #17611-283-010. Fits a broad range...
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Honda CB throttle sleeve 53141-300-010

Honda CB Throttle Sleeve ~ Replaces 53141-300-010

$9.95 USD
02-2462
Refresh the throttle feel on your Honda with this Nylon Throttle Sleeve, a replacement for OEM Ref. #53141-300-010 with exceptionally broad fitment across the...
Honda CB1000 CB900 CB750 performance main jet kit

Honda CB1000 / CB900 / CB750 Performance Main Jet Kit

$39.95 USD
48-2111
Tune your CB to match your engine mods with this Performance Main Jet Kit. Includes a total of 16 main jets for Keihin carbs....
Honda CB750 CB650 CB450 carb pump diaphragm 16021-393-004

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

$27.95 USD
20-9040
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 CB750 CB550 CB450 CB400 CB350 gas cap rubber seal 17631-329-003

Honda CB Gas Cap Rubber Seal ~ Replaces 17631-329-003

$7.95 USD
20-0097
Replace the broad-fitment gas cap rubber seal on many classic Hondas with this Gas Cap Rubber Seal, replacing OEM #17631-329-003. Exceptionally wide fitment covering...
Honda CB1000 CB900 CB750 CB700 ultimate performance main jet kit

Honda CB1000 / CB900 / CB750 / CB700 Ultimate Performance Main Jet Kit

$64.95 USD
48-2112
Cover every tuning scenario with this Ultimate Performance Main Jet Kit. Includes a total of 44 main jets for Keihin carbs. Use this jet...
Honda CB750 CB550 choke cable 17950-393-020

1976-78 Honda CB750 / CB550 Choke Cable ~ Replaces 17950-393-020

$29.95 USD
51-2602
Replace your CB choke cable with this Choke Cable, replacing OEM #17950-393-020 / #17950-404-670. Made in Japan.Key Features• Choke cable• Replaces OEM #17950-393-020 /...
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
48-0792
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 CB750 CB650 CB550 float bowl gasket

Honda CB750 / CB650 / CB550 Float Bowl Gasket

$9.95 USD
20-8030
Replace your late-'70s CB float bowl gasket with this Float Bowl Gasket (O-ring).Key Features• Float bowl gasket (O-ring)Fitment / Compatibility• Honda CB750K (1977‑78)• CB750F...
Honda CB750 CB550 CB400 filler cap 17620-399-010

Honda CB750 / CB550 / CB400 Filler Cap ~ Replaces 17620-399-010

$69.95 USD
73-0079
Replace your gas tank cap with this OEM Style Gas / Fuel Tank Cap with rubber gasket already installed, replacing OEM #17620-399-010.Note: does not...
New
Honda CB750 CB650 CB125 press in pilot jet set size #40 (pk 4)

Honda CB750 / CB650 / CB125 Press In Pilot Jet Set ~ Size #40 (Pk/4)

$24.64 USD
48-9034
#40 pilot jet set for applications that use press-in style jets. These control fuel flow at idle and low throttle, making them important for...
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Honda CB750 CB650 CB550 CB400 CB125 float needle 16011-382-004

Honda CB Float Needle ~ Replaces 16011-382-004

$8.95 USD
48-5010
Replace your float needle (only) with this Float Needle, replacing OEM #16011-382-004.Key Features• Float needle (only)• Replaces OEM #16011-382-004• Honda part name: Valve Set,...
Honda CB1100 CB1000 CB900 CB750 CB550 air screw needle o-ring

Honda CB Air Screw Needle O-Ring

$1.95 USD
48-5043
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 CB750 CB650 fuel tank emblem screw set

Honda CB750 / CB650 Fuel Tank Emblem Screw Set

$4.95 USD
01-0121
Complete your fuel tank emblem installation with this Fuel Tank Emblem Screw Set of 4, a direct replacement for OEM #93700-04006-0G. Enough hardware for...
Honda CB1100 CB1000 CB900 CB750 float bowl drain screw -a

Honda CB Stock Type Float Bowl Drain Screw ~-A

$6.50 USD
48-5042
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,...
New
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Honda CB750 CB650 CB125 press in pilot jet set size #38 (pk 4)

Honda CB750 / CB650 / CB125 Press In Pilot Jet Set ~ Size #38 (Pk/4)

$24.64 USD
48-9033
Press In Pilot Jet Set/4 ~ #38 Size Please Double Check you Require the #38 Size Before Ordering Fits: Honda CB750K (1977-78), CB750F (1977-78)...
New
Honda CB750 CB650 CB125 press in pilot jet set size #42 (pk 4)

Honda CB750 / CB650 / CB125 Press In Pilot Jet Set ~ Size #42 (Pk/4)

$24.64 USD
48-9035
Pilot jet set sized at #42, designed for applications that use press-in style jets. A key component in fuel delivery at idle and low...
New
Honda CB750 CB650 CB125 press in pilot jet set size #35 (pk 4)

Honda CB750 / CB650 / CB125 Press In Pilot Jet Set ~ Size #35 (Pk/4)

$24.64 USD
48-9028
Replace your press-in pilot jets with this Press In Pilot Jet Set of 4, size #35. Please double-check that you require the stock #35...
Honda CB1100 CB1000 CB900 CB750 float bowl drain screw

Honda CB Stock Type Float Bowl Drain Screw

$6.50 USD
48-5042
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 CB750A carb holder set 16211-393-020

1977-78 Honda CB750A Carb Holder Set ~ Replaces 16211-393-020

$189.95 USD
48-0761
Replace your 1977-78 CB750A Hondamatic carb holders with this Carb Holder Set of 4. Replaces those old cracked or dried-up carb holders. Each holder...
New
Honda CB750A CB750K gas tank chrome trim moulding set 2 17542-405-000

1977-78 Honda CB750A / CB750K Gas Tank Chrome Trim / Moulding Set/2 ~ Replaces 17542-405-000 & 17541-405-000

$89.95 USD
99-5560
Upgrade or restore your classic Honda motorcycle with this Gas Tank Chrome Trim / Moulding Set — precision‑designed to fit stock Honda gas tanks....
Honda CB750 CB650 CB550 CB125 carb float 16013-405-004

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

$27.95 USD
20-6509
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...
Honda CB750A CB750F CB750K carb bolt kit

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

$26.95 USD
73-1043
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 CB750A carb air box rubber boot 17253-393-770

1977-78 Honda CB750A Carb Air Box Rubber Boot ~ Replaces 17253-393-770

$21.95 USD
73-0138
Replace your CB750A Hondamatic carb-to-air-box boot with this Carburetor to Air Box Rubber Boot, replacing OEM #17253-393-770. We have had these re-manufactured as they...
Honda CB750 CB550 CB400 CB350 Keihin pd carburetor felt throttle shaft seal set 6

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

$21.95 USD
33-0045
Replace worn or missing felt throttle shaft seals during carburetor service on compatible vintage Honda CB models with Keihin PD carburetors. These felt seals...
Honda CB750A carb rebuild kit

1976-78 Honda CB750A Carb Rebuild Kit

$34.95 USD
48-1997
Rebuild your CB750A Hondamatic carb with this Carb Rebuild Kit. Contains float bowl gasket (made from high-quality ethanol-resistant Viton material), #105 main jet, slide...
Honda CB750A throttle cable push 17920-393-770

1977-78 Honda CB750A Throttle Cable ~ Push ~ Replaces 17920-393-770

$23.45 USD
51-2593
Replace your CB750A Hondamatic throttle push cable with this Throttle Cable "Push Type", replacing OEM #17920-393-770. Made in Japan.Key Features• Throttle cable, push type•...
Honda CB750A throttle cable pull 17910-393-770

1977-78 Honda CB750A Throttle Cable ~ Pull ~ Replaces 17910-393-770

$24.95 USD
51-2592
Replace your CB750A Hondamatic throttle pull cable with this Throttle Cable "Pull Type", replacing OEM #17910-393-770. Made in Japan.Key Features• Throttle cable, pull type•...
Honda CB750K CB750A fuel filler lid 17531-405-000ZB

Fuel Filler Lid / Gas Tank Cover ~ Genuine Honda 17531-405-000ZB

$99.95 USD
99-5247
This genuine Honda fuel filler lid / gas tank filler cover is Honda OEM 17531-405-000ZB (Excel Black) for the listed 1977-1978 Honda CB750K and...
Honda CB750A CB650 CB550 carb top gasket 16014-393-004

1976-80 Honda CB750A / CB650 / CB550 Carb Top Gasket ~ Replaces 16014-393-004

$9.50 USD
73-0954
Replace your carb top gasket with this Carburetor Top Gasket, replacing OEM #16014-393-004.Key Features• Carburetor top gasket• Replaces OEM #16014-393-004• Honda part name: Top...
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1978 Honda CB750A · Fuel & intake Buying guide

Follow the Hondamatic application through the complete order

Identify the carburetors, intake connections and tank fittings that the repair will retain. Build the order around their condition and any previous modifications before comparing kit sizes.

Parts to consider

1976-78 Honda CB750A Carb Rebuild Kit Hondamatic carb rebuild kitOne-carb kit with bowl gasket, #105 main jet, slide needle and clip, float needle, air screw and spring, packing and O-rings.View part 1977-78 Honda CB750A Carb Holder Set ~ Replaces 16211-393-020 Four numbered carb holdersHondamatic holder set numbered one through four, with separately specified clamps.View part Honda CB750 / CB550 / CB400 Filler Cap ~ Replaces 17620-399-010 Filler cap with gasketCap referencing 17620-399-010 with its rubber gasket installed. The listing excludes an attached chain.View part

Related parts: Stock-type air filter element · Individual carb-to-airbox boot · Pump diaphragm and bellows

Compare the repair list with the kit inventory

Inspect the internal carburetor parts and external pump and rubber components separately. Choose packages after identifying those needs, then check for any loose seals or needles already supplied by a kit.

Keep the intake and tank work on separate order lines

Record which existing clamps, cap fittings and mounting pieces can be reused. Use the note attached to each product when counting replacements; similar-looking rubber parts can belong to different connections.

Common questions

Does the rebuild kit also renew the pump diaphragm and float?

Its stated contents include a float needle but do not name a replacement float or accelerator-pump diaphragm. The separate float supplies a pin, and the pump package supplies one diaphragm with rod and one bellows rubber. Inspect those components independently when planning the carburetor work.

Is a CB750K kit automatically the correct Hondamatic choice?

Use the product’s stated CB750A application and contents instead of relying on CB750 in a general name. The featured rebuild kit expressly lists the Hondamatic, and the intake holders have their own numbered references. Compare any replacement carburetors with those listings first.

Does the #105 jet in the kit establish a setting for a modified bike?

It establishes the size supplied in that kit. It does not establish a setting for replacement carburetors or a changed intake or exhaust. Identify the installed equipment and obtain the appropriate specification before interpreting a package’s jet as a tuning recommendation.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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