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1977 Honda CB750K Exhaust Parts

The 1977 Honda CB750K exhaust selection brings together a chrome 405-style muffler set and later mounting components. Compare the fitted exhaust before choosing mufflers, flange clamps, studs or joint collars. A custom system may use different mounting parts despite the same motorcycle year.

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Honda motorcycle parts

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Honda CB1100 CB1000 CB900 exhaust headpipe gasket (each) 18291-254-000

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000

$3.42 USD
17-2812
Replace one exhaust port gasket on your CB750 or big-bore DOHC CB with this Exhaust Port Gasket, 1 piece, replacing OEM #18291-254-000 / #18291-MM5-860....
Honda CB kick stand stopper rubber 95011-61000

Honda CB Kick Stand Stopper Rubber ~ Replaces 95011-61000

$2.95 USD
07-4624
Replace a worn kick stand stopper with this Kick Stand Stopper Rubber "A", a direct replacement for OEM #95011-61000. Exceptionally broad fitment across the...
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Honda CB1100 CB1000 CB900 exhaust headpipe gasket (each) 18291-MM5-860

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-MM5-860

$6.84 USD
18-7013
Replace one cylinder-head-to-exhaust-headpipe gasket on your big-bore Honda with this Cylinder Head to Exhaust Headpipe Gasket, 1 piece, replacing OEM #18291-MM5-860. Exceptionally broad fitment...
Honda CB750F CB750K exhaust stud and flange nut set

1975-78 Honda CB750F / CB750K Exhaust Stud & Flange Nut Set

$34.95 USD
73-1141
Ensure a solid, leak-free seal at your exhaust ports with this Exhaust Stud Set. Includes 8 high-quality studs and 8 flange nuts — everything...
Honda CB750 exhaust flange clamp side detail 18231-392-000

1975-78 Honda CB750 Exhaust Flange Clamp ~ Replaces 18231-392-000

$34.95 USD
07-4622
Rebuild your late-'70s CB750 exhaust with this Stock-Type Exhaust Flange Clamp, replacing OEM #18231-392-000. An essential piece of exhaust mounting hardware for CB750K (1977-78),...
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Honda CB750A CB750F CB750K Honda exhaust pipe joint collar 18233-392-000

1975-78 Honda CB750A / CB750F / CB750K Genuine Honda Exhaust Pipe Joint Collar ~ OEM 18233-392-000

$29.95 USD
99-5173
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Exhaust Pipe Joint Collar — precision‑engineered and made in Japan. This original Honda...
New
Honda CB750K stock type muffler set

1977-78 Honda CB750K Stock Type Muffler Set

$1,995.00 USD
80-41006
Stock Type Muffler Set These brand new mufflers are the 405 Style muffler set. Beautiful high quality, newly produced stock type muffler set. High...
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1977 Honda CB750K · Exhaust Buying guide

Plan the muffler and mounting work as separate choices

The muffler listing identifies the 1977–78 405 style, while the hardware listings give their own quantities and applications. Check the existing system and retain serviceable fittings only after comparing their condition and compatibility.

Parts to consider

1977-78 Honda CB750K Stock Type Muffler Set 1977–78 405-style muffler setNewly produced stock-type chrome muffler set described for the 1977–78 CB750K.View part Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000 Individual exhaust port gasketOne gasket per item for the listed cylinder-head connection. Order the quantity required.View part 1975-78 Honda CB750F / CB750K Exhaust Stud & Flange Nut Set Eight studs with eight flange nutsStud-and-nut package listed for the 1977–78 CB750K; clamps and gaskets are separate items.View part

Related parts: Later stock-type flange clamp · Individual genuine Honda joint collar

Do not assume the muffler set includes mounting parts

The muffler description identifies the chrome 405-style replacement but does not itemize supplied clamps, studs, nuts or gaskets. Check the full listing and confirm package contents when those parts are needed. The separately linked hardware should be matched to the fitted system.

Keep original-style hardware distinct from custom fittings

The later flange clamp is sold individually, with four used per bike in its listed application. The joint collar is also sold per piece. If the motorcycle has an aftermarket exhaust, compare its instructions and attachment arrangement before using original-style parts solely on the basis of year.

Choosing parts for your 1977 CB750K

Is this the earlier 300-style muffler set?

The product offered here is explicitly described as the 405-style set for the 1977–78 CB750K. It should not be confused with an earlier-style set. Compare the fitted system and restoration target before selecting replacement mufflers.

Does the stud package include exhaust port gaskets?

Its listed contents are eight studs and eight flange nuts. Port gaskets have separate individual listings. Count what your repair requires and check the other mounting components instead of treating the stud kit as every part for the exhaust.

Will all these mounting parts fit a custom exhaust?

Their stated applications are for the listed Honda arrangements. A custom system can use different flanges or fittings. Compare the parts actually installed and the exhaust manufacturer’s requirements before assuming that model-year membership guarantees compatibility.

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