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1982 Honda CB650SC Nighthawk Headpipe Gasket Quantities

Gasket ordering for the 1982 CB650SC headpipes comes down to the fitted connection and the number of joints being disturbed. The individual gasket and ten-pack use the same listed application. Inspect the exhaust hardware separately so the seal purchase follows the actual repair.

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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 CB900 CB650 CB550 exhaust headpipe gasket (each) 18212-634-000

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18212-634-000

$3.58 USD
17-2813
Replace one exhaust port gasket on your CB650, CB400, CB450, or modern CB900F with this Exhaust Port Gasket, 1 piece, replacing OEM #18212-634-000 /...
Honda CB900 CB650 CB550 exhaust headpipe gaskets (pk 10) 18212-634-000

Honda CB Exhaust Headpipe Gaskets ~ (Pk/10) ~ Replaces 18212-634-000

$27.95 USD
17-3813
Stock up on exhaust port gaskets for your CB650, CB400, CB450, or modern CB900F with this 10-pack, replacing OEM #18212-634-000 / #18291-236-000 / #18291-MN4-920.Key...
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1982 Honda CB650SC Nighthawk · Headpipe Gasket Quantities Buying guide

Match the connection, then count the gasket order

Both quantity options reference 18212-634-000, 18291-236-000 and 18291-MN4-920. Use those references with the fitted header and choose the package for the planned service rather than assuming a bulk count describes the motorcycle’s layout.

Parts to consider

Honda CB Exhaust Headpipe Gaskets ~ (Pk/10) ~ Replaces 18212-634-000 Exhaust gasket ten-packTen port gaskets with the same listed replacement references as the single gasket.View part Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18212-634-000 Single exhaust-port gasketOne gasket for references 18212-634-000, 18291-236-000 and 18291-MN4-920.View part

Replace seals at the joints you open

Honda’s common service guidance calls for replacing the exhaust-pipe gasket when the pipe is removed from the engine. Count the port joints you will disturb, then choose single gasket 17-2813 or ten-pack 17-3813. The ten-pack is a supply quantity, not the number required by the motorcycle.

Check non-original exhaust hardware

An aftermarket header or altered flange can require additional comparison at the cylinder head. Use its manufacturer’s requirements and the correct service procedure. The gasket references help identify the part, but do not establish torque values or the condition of the mounting pieces.

Headpipe Gasket Quantities questions

Can I reuse the old port gasket if it looks intact?

Honda’s common service guidance calls for a replacement gasket whenever the exhaust pipe is removed from the engine. Include new gaskets for the joints you open instead of planning reuse solely because the old seal looks intact.

Does the model listing settle fit after a header change?

The gasket products list the 1982 CB650SC and references 18212-634-000, 18291-236-000 and 18291-MN4-920. An aftermarket header still needs its cylinder-head connection and manufacturer’s requirements checked. The model listing alone does not establish fit for every modified flange or header.

Does fitting a new gasket finish the exhaust check?

No. Honda’s common service guidance also calls for checking the exhaust for leaks after installation. Follow the correct procedure for the fitted system and inspect its mounting hardware separately; a new port gasket does not verify the rest of the installation.

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