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1981 Honda CB750F Headpipe Seals, Joint Parts & Mufflers

Work from the exhaust fitted to your 1981 Honda CB750F when deciding between a sealing repair, joint hardware and replacement mufflers. Individual headpipe gaskets, a muffler-joint gasket and a Honda collar are different purchases. The MAC slip-ons need their own outlet, mounting and supplied-content checks.

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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...
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 Honda exhaust pipe joint collar 18233-438-000

1979-82 Honda CB750F Genuine Honda Exhaust Pipe Joint Collar ~ OEM 18233-438-000

$24.95 USD
99-5110
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Exhaust Pipe Joint Collar — precision‑engineered and made in Japan. This authentic OEM...
Honda CB1100F CB900F CB750F muffler joint gasket

1979-83 Honda CB1100F / CB900F / CB750F Muffler Joint Gasket

$9.95 USD
17-4507
Replace your DOHC CB's muffler joint gasket with this Muffler Joint Gasket, fitting the 1979-82 CB750F Supersport, 1981-82 CB900F Supersport, and 1983 CB1100F Supersport.Key...
Honda CB750F CB900F CB1100F m.a.c. chrome slip-on megaphone muffler set

Honda CB750F / CB900F / CB1100F M.A.C. Chrome Slip-On Megaphone Muffler Set

$529.00 USD
07-001/2613
Refresh the back half of your F-Model Supersport exhaust with these Chrome Slip-On Megaphone Mufflers from M.A.C. Designed to bolt onto the factory 4-into-1...
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1981 Honda CB750F · Exhaust Buying guide

Separate sealing work from a muffler change

Locate the damaged connection before choosing its gasket or collar. If changing the mufflers, compare the actual header outlets and mounting arrangement first. Existing or modified pipes determine the comparisons needed for the proposed exhaust parts.

Parts to consider

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000 Single exhaust port gasketPort gasket sold as one piece, with references 18291-254-000 and 18291-MM5-860. Compare the seal being replaced.View part 1979-83 Honda CB1100F / CB900F / CB750F Muffler Joint Gasket Muffler joint gasketGasket listed for the 1979–82 CB750F muffler joint. Compare the fitted joint and confirm the supplied quantity if needed.View part Honda CB750F / CB900F / CB1100F M.A.C. Chrome Slip-On Megaphone Muffler Set MAC chrome megaphone slip-onsChrome M.A.C. mufflers described with all-steel baffles. Match the actual exhaust outlets and mounting, and confirm supplied contents before ordering.View part

Related parts: Individual Honda exhaust joint collar · Individual cylinder-head-to-headpipe gasket

Choose the gasket from the connection being repaired

The two headpipe gasket listings share 18291-MM5-860; they should not be treated as proof that different joints require both products. The muffler-joint gasket is separately named and listed for the CB750F. Compare the damaged seal and fitted connection with its relevant listing, then confirm any unclear selling quantity.

Make a muffler purchase conditional on the existing exhaust

The chrome MAC product supplies two slip-on megaphone mufflers for the stock headpipes, rather than a complete header system. Compare the header outlets and mounting positions on the bike, particularly after previous exhaust changes. Confirm any unitemized mounting or sealing hardware before planning the work.

Common questions

Are the headpipe gaskets a full-engine pack?

Both headpipe listings describe one gasket and individual sale. Use the selling unit of the chosen product and count the seals required by the repair. The separately listed muffler-joint gasket has its own contents to confirm, rather than an assumed matching pack size.

Does the Honda collar replace a gasket?

The collar is separately identified hardware referencing 18233-438-000 and sold individually. Compare it with the metal piece needing replacement. Select the appropriate gasket for a sealing repair rather than treating the collar as a substitute because both belong near exhaust joints.

Can I select the MAC mufflers solely from the model year?

Compare the exhaust actually fitted, including its outlets, joints and mounting points. Confirm the product’s supplied contents and fitting requirements before ordering. A custom or previously modified exhaust needs that direct comparison before the mufflers can be chosen.

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