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1972 Honda CB100K2 Exhaust Seals & Mounting

For a 1972 CB100K2 exhaust joint repair, separate the hardware retaining the pipe from the gasket sealing the port. The featured clamp has defined mounting centres, while linked gaskets offer individual and ten-piece quantities. Check a changed exhaust before treating either as a replacement.

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Honda motorcycle parts

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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 CB550 CB500 CB200 exhaust headpipe gasket (each) 18291-216-000

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-216-000

$4.13 USD
17-2816
Replace one exhaust port gasket on your CB500/CB550 or smaller Honda with this Exhaust Port Gasket, 1 piece, replacing OEM #18291-216-000 / #18291-MN5-650. Fits...
Honda CB550 CB500 CB400 CB350 CB100 chrome exhaust clamp 18231-323-000

Honda CB Chrome Exhaust Clamp ~ Replaces 18231-323-000

$24.95 USD
73-0090
Replace your exhaust clamp with this Chrome Exhaust Clamp, 14-fin type. Center-to-center mounting hole diameter 55mm. Replaces OEM #18231-323-000 / #18231-323-010 / #18231-333-010.Key Features•...
Honda CB550 CB500 CB200 exhaust headpipe gaskets (pk 10) 18291-216-000

Honda CB Exhaust Headpipe Gaskets ~ (Pk/10) ~ Replaces 18291-216-000

$32.95 USD
17-3816
Stock up on exhaust port gaskets for your CB500/CB550 or smaller twins with this 10-pack, replacing OEM #18291-216-000 / #18291-MN5-650.Key Features• Exhaust port gaskets,...
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1972 Honda CB100K2 · Exhaust seals & mounting Buying guide

Make separate decisions about retention and sealing

Clamp dimensions and gasket pack quantities answer different ordering questions. Check the fitted mounting arrangement for the 14-fin clamp, then choose the linked port-gasket quantity required for the repair or parts shelf.

Parts to consider

Honda CB Chrome Exhaust Clamp ~ Replaces 18231-323-000 Chrome exhaust clamp14-fin clamp with 55mm mounting-hole centres. Compare the connection before ordering for a changed exhaust.View part

Related parts: One-piece exhaust port gasket · Ten-piece exhaust port gasket pack

Treat the clamp as a measured mounting part

The chrome clamp has 14 fins and 55mm mounting-hole centres. Use those measurements with replacement references 18231-323-000, 18231-323-010 and 18231-333-010. If the headpipe has been changed, compare the actual retaining arrangement before ordering rather than using the motorcycle’s year as the only check.

Choose the seal quantity before starting the job

The linked gasket is sold either as one piece or as a ten-pack, with the same replacement references on both products. The ten-piece option is a supply quantity, not a statement about how many seals a CB100K2 uses. Keep installation procedure and joint inspection tied to the correct service information.

Buying questions

Does the chrome clamp include the port gasket?

The clamp’s specified content does not establish a supplied gasket. Port gaskets are separately linked in one-piece and ten-piece quantities, so select the required seal separately unless confirmed package information establishes otherwise.

Should I buy one gasket or the ten-pack?

Choose the single piece for the quantity needed now, or the ten-pack when additional stock is useful. Both linked options carry references 18291-216-000 and 18291-MN5-650; ten is the package count rather than an installation requirement.

Can I select the clamp from the motorcycle year alone?

The clamp explicitly covers the 1972 CB100K, but a replacement headpipe can change the retaining arrangement. Compare the fitted connection with the 55mm mounting-hole centres and clamp profile before selecting it for a modified exhaust.

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