1977 Honda CB550K Carb Rebuild Kits & Jetting

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Honda CB750 / CB650 / CB550 Float Bowl Gasket

$9.95 USD

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...

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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

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,...

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1977-78 Honda CB550K Carburetor Screw Kit

$15.94 USD

Refresh your 1977-78 CB550K carb screws with this Carburetor Screw Kit. Get a new set of screws to clean up the look of your...

1977-78 Honda CB550K Carb Rebuild Kit

$24.95 USD

Rebuild your 1977-78 CB550K carb with this Carb Rebuild Kit. Contains float bowl gasket, carb top gasket, float needle, main jet (#90), jet holder,...

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

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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1977 Honda CB550K · Carb Rebuild & Jetting Buying guide

Choose complete-kit or individual-carb purchases

The rebuild kit lists specific jet components and gaskets. The separate screw kit itemizes drain screws and two screw sizes, so check overlap as well as the small repair pieces still needed.

Parts to consider

One-carb repair kit with named jet partsIncludes a #90 main jet and #D376 jet needle alongside the listed gaskets and internals.View part

Separate float-bowl gasketIndividually listed bowl gasket/O-ring for the stated 1977–78 CB550K application.View part

1977-78 Honda CB550K Carburetor Screw Kit

Carburetor screw and drain-hardware kitFour drain screws with O-rings, eight 4 × 12 screws and twelve 4 × 16 screws with lock washers.View part

Read the calibration identifiers as supplied contents

The kit names a #90 main jet and #D376 jet needle, along with a jet holder, adjusting screw and spring, E-clip and six various O-rings. Compare those identifiers with the fitted carburetor and the intended setup. Their presence in this kit is not a calibration recommendation for modified intake or exhaust parts.

Avoid duplicating the screw kit’s drain pieces

The screw kit includes four drain screws with O-rings as well as eight 4 × 12 and twelve 4 × 16 screws with lock washers. Compare the hardware needed with that list before separately ordering drain screws or their seals; the rebuild kit and screw kit have different contents.

Common ordering questions

Which gaskets does the rebuild kit name?

It lists both a float-bowl gasket and a carb-top gasket for one carburetor. Compare the complete contents with the required work before adding the separately offered gaskets, so the order reflects the actual components needed.

Does the float-needle listing include a seat?

The separate product is expressly described as a float needle only, with reference 16011-382-004. Identify the fitted carburetor and compare the required component before ordering; a separate seat is not named in that product’s contents.

Is a pilot jet named in the rebuild kit?

The itemized description names the main jet, jet holder and jet needle, along with other internals. It does not name a pilot jet. Confirm any additional jet requirements before assuming every metering component is supplied.

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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