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1977 Honda CB750K Carb Holders & Airbox Boots

The 1977 Honda CB750K holder set and carb-to-airbox boot cover opposite sides of the carburetors. The holders come as four; airbox boots are individual. A separate stabilizer bracket supports a modified intake arrangement and does not replace either type of rubber fitting.

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Currently viewing Carb Holders, Air Box Rubber Boots, Clamps

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Honda CB750 carb airbox rubber boot 17253-405-300

1977-78 Honda CB750 Carb-to-Airbox Rubber Boot ~ Replaces 17253-405-300

$15.95 USD
02-6554
Replace cracked or perished airbox rubber with this Carburetor to Air Box Rubber Boot, a direct replacement for OEM #17253-405-300. Fits the CB750K (1977‑78)...
Honda CB750K carb holder set 16211-405-000

1977-78 Honda CB750K Carb Holder Set ~ Replaces 16211-405-000

$169.95 USD
48-0757
Replace your 1977-78 CB750K carb holders with this Carb Holder Set of 4. Replaces those old cracked or dried-up carb holders. Replaces OEM #16211-405-000...
Honda CB750F CB750K carburetor stabilizer bracket

1977-78 Honda CB750F / CB750K Carburetor Stabilizer Bracket

$74.95 USD
29-0537
Stabilize your CB750 carburetors when running pods or hardtails with this Carburetor Stabilizer Bracket. Comes with a 7mm spacer and 30mm socket head cap...
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1977 Honda CB750K · Carb Holders & Airbox Boots Buying guide

Keep carb holders, airbox boots and support separate

Order each rubber fitting by its position and packaging. The holder set and individual airbox boots also specify different clamp requirements. The stainless support bracket belongs to an arrangement with pods or no airbox.

Parts to consider

1977-78 Honda CB750K Carb Holder Set ~ Replaces 16211-405-000 Four 1977–78 carb holdersCB750K holder set replacing the four listed holder references. Required clamps are separate.View part 1977-78 Honda CB750 Carb-to-Airbox Rubber Boot ~ Replaces 17253-405-300 Individual carb-to-airbox bootFour used per bike. The listing specifies separate 50–52 mm band clamps or its listed gear clamps.View part 1977-78 Honda CB750F / CB750K Carburetor Stabilizer Bracket Carb support for pods or no airboxCanadian-made stainless bracket supplied with a 7 mm spacer and 30 mm socket-head cap screw.View part

Compare the two sides before ordering clamps

The holder listing specifies four of one clamp type for one side and four of another type for the other side. The airbox boot listing separately specifies four compatible 50–52 mm band clamps or the listed gear clamps. These are different fitting requirements, so do not assume one clamp size covers everything.

A support bracket has a different job from intake rubber

The stabilizer bracket is described for carburetors running pods or without the airbox. It supplies mechanical support with its spacer and screw. It does not replace a cracked holder or a leaking carb-to-airbox boot, so retain the rubber-fitting checks required by the actual intake arrangement.

Choosing parts for your 1977 CB750K

Does the holder set include four airbox boots?

No. The four-piece package is the carb holder set. The carb-to-airbox rubber boot is a separate listing, sold individually, with four used per bike. Identify both connection areas before deciding how much rubber needs replacing.

Are clamps included with the replacement rubbers?

Both rubber listings direct you to separate clamps when needed. The holder set calls for two specified clamp types, while the airbox boot lists its own compatible clamps. Compare your existing hardware with those requirements rather than treating the packages as clamp kits.

Can the stabilizer bracket replace the stock airbox?

The bracket is a support component for an arrangement using pods or no airbox. It is not an airbox or filter. Assess the complete intake setup separately; the bracket’s presence does not establish filter compatibility or carburetor settings.

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

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