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1977 Honda CB750K Carb Rebuild & Jetting

The 1977 Honda CB750K carb rebuild options include a detailed one-carb kit with a #115 main jet and a smaller packing kit. Main jet assortments and press-in pilot jets are separate choices. Match the fitted carburetors and planned repair before selecting a package.

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Currently viewing Carb Rebuild & Jetting

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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 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 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...
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,...
New
Sold out
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)...
Honda CB750K carb rebuild kit

1977 Honda CB750K Carb Rebuild Kit

$29.95 USD
48-1738
Rebuild your 1977 CB750K carb with this Carb Rebuild Kit, made in Japan. Contains float bowl gasket, carb top gasket, D432 slide needle, main...
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 CB750F CB750K CB750P carb rebuild kit 16010-405-004

1977-78 Honda CB750F / CB750K / CB750P Carb Rebuild Kit ~ Replaces 16010-405-004

$24.95 USD
48-1995
Refresh the float-valve seals on your 1977-78 CB750 carbs with this Carb Packing Kit (Float Valve Kit), replacing OEM #16010-405-004. Kit contains float bowl...
Honda CB750F CB750K carb top gasket 16010-405-004

1977-78 Honda CB750F / CB750K Carb Top Gasket ~ Replaces 16010-405-004

$9.50 USD
73-0953
Replace your carb top gasket with this Carburetor Top Gasket, replacing OEM #16010-405-004.Key Features• Carburetor top gasket• Replaces OEM #16010-405-004• Honda part name: Gasket...
Honda CB750K carburetor needle jet holder 16165-405-004

1977 Honda CB750K Carburetor Needle Jet Holder ~ Replaces 16165-405-004

$21.95 USD
73-0832
Replace your carburetor needle jet holder with this Carburetor Needle Jet Holder, replacing OEM #16165-405-004.Note: sold each.Key Features• Carburetor needle jet holder• Replaces OEM...
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1977 Honda CB750K · Carb Rebuild & Jetting Buying guide

Compare rebuild contents before choosing jet sizes

Replacement seals, needles and jets address different parts of carb service. The 1977 kit identifies its slide needle and main jet; the pilot-jet sets require a separate check of the press-in style and size.

Parts to consider

1977 Honda CB750K Carb Rebuild Kit 1977 carb rebuild kitServices one carburetor; includes a #115 main jet, D432 slide needle, float needle and listed seals.View part 1977-78 Honda CB750F / CB750K / CB750P Carb Rebuild Kit ~ Replaces 16010-405-004 One-carb packing kitBowl gasket, top gasket, O-rings and needle for the listed 1977–78 application; no main jet listed.View part Honda CB750 / CB650 / CB125 Press In Pilot Jet Set ~ Size #35 (Pk/4) Four #35 press-in pilot jetsFour #35 press-in pilot jets. Confirm the fitted carburetor, jet construction and required size rather than treating a package label as a tuning specification.View part

Related parts: 16-jet Keihin main jet selection · 44-jet Keihin main jet selection · Individual 1977 needle jet holder

Distinguish the needle jet from its separate holder

The larger kit explicitly lists a needle jet and D432 slide needle. The separately sold needle jet holder is reference 16165-405-004; do not treat the kit’s needle-jet entry as confirmation that it includes the holder.

Treat supplied jets as package contents

The rebuild kit’s #115 main jet identifies what arrives in that package. It does not prescribe the final setting for changed carburetors, intake or exhaust. Establish the carburetor and tuning requirements before selecting either kit or a separate jet assortment.

Choosing parts for your 1977 CB750K

How much extra size coverage does the 44-jet assortment add?

The 16-jet kit contains four each of #105, #110, #115 and #120. The 44-jet kit adds four each of #100, #102, #108, #112, #118, #122 and #125. Compare the sizes required for a verified tuning plan rather than buying the larger assortment for an assumed performance gain.

Can I replace a press-in pilot jet with any same-size jet?

No. Jet construction and fit must match as well as the number. These pilot sets are specifically press-in. Verify the carburetor and existing jet before choosing #35, #38, #40 or #42; a size label alone does not establish interchangeability.

Can a seal-and-needle repair use the smaller kit without buying replacement jets?

The packing kit lists a bowl gasket, top gasket, O-rings and needle, but no main jet or D432 slide needle. Compare the needed pieces with that smaller package; both kits are sold for one carburetor, and neither contents list includes a float.

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