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1975 Honda CB750F Exhaust Parts

Exhaust parts for the 1975 Honda CB750F focus on sealing the headpipes to the cylinder head. Headpipe gaskets, flange clamps, a stud and flange nut set and a genuine Honda joint collar are listed, all sold for the 1975-78 Supersport.

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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 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...
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1975 Honda CB750F · Exhaust Buying guide

Separate sealing parts from mounting hardware

The two gasket listings cover the cylinder-head-to-headpipe joint. The flange clamps, stud-and-nut set and genuine Honda joint collar are separate products. Identify the damaged or leaking connection before deciding which pieces to replace.

Exhaust parts to consider

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000 Headpipe gasketPart 17-2812: one exhaust-port gasket replacing 18291-254-000 and 18291-MM5-860.View part 1975-78 Honda CB750 Exhaust Flange Clamp ~ Replaces 18231-392-000 Exhaust flange clampSold individually; replaces 18231-392-000. The product specifies four flange clamps per bike.View part 1975-78 Honda CB750F / CB750K Exhaust Stud & Flange Nut Set Exhaust stud and flange nut setOne package contains eight exhaust studs and eight flange nuts, part 73-1141.View part

Related parts: Genuine Honda joint collar · Headpipe gasket, part 18-7013

Compare the two headpipe-gasket references

Part 17-2812 names 18291-254-000 and 18291-MM5-860; part 18-7013 names 18291-MM5-860. Their descriptions overlap on that Honda reference and do not provide a material or dimensional comparison that establishes either as an upgrade.

A clamp is different from a collar piece

The flange clamp replaces 18231-392-000. The genuine Honda collar is 18233-392-000 and is sold per collar piece. The stated four-clamp requirement does not establish the number of collar pieces needed.

Exhaust questions

Can the old headpipe gasket be reused after separating the joint?

Replace the crush gasket whenever its joint is disturbed. Remove the old gasket from the port before fitting the new one; follow the Honda procedure for the fitted exhaust.

Will a new collar cure a damaged pipe connection?

A collar cannot seal damaged pipe surfaces by itself. Inspect the adjoining pipes, gasket or seal, clamps and fasteners for distortion, corrosion and leakage.

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