1977 Honda CB550K Exhaust Seals and Mounting Parts

These exhaust choices focus on the cylinder-head connection: port gaskets, finned clamps and a stud hardware set. Compare the fitted mounting arrangement and count the pieces you need. A gasket pack or stud kit does not provide a complete replacement exhaust system.

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Honda CB kick stand stopper rubber 95011-61000

Honda CB Kick Stand Stopper Rubber ~ Replaces 95011-61000

$2.95 USD

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

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...

1971-78 Honda CB550F / CB550K / CB500K Exhaust Stud Set

$34.95 USD

Restore secure and leak-free exhaust mounting on your vintage Honda with this premium Exhaust Stud Set. Designed for CB500K, CB550K, and CB550F models, this...

Honda CB550 CB500 CB400 CB350 CB100 chrome exhaust clamp 18231-323-000

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

$24.95 USD

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

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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1977 Honda CB550K · Exhaust Buying guide

Build the head-end exhaust order from separate parts

Gaskets seal the stated exhaust-port application, while clamps and stud hardware are separate purchases. Check their contents and mounting details individually before assuming one kit covers the complete connection on the motorcycle.

Parts to consider

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

Chrome finned exhaust clampChrome clamp with 14 fins and listed 55 mm center-to-center mounting-hole spacing. Compare the existing clamp; that spacing is not an exhaust pipe diameter.View part

1971-78 Honda CB550F / CB550K / CB500K Exhaust Stud Set

Exhaust stud, washer and nut kitKit described with eight studs, eight washers and eight nuts. Choose gaskets and clamps separately; they are not identified in the kit contents.View part

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

Individual exhaust-port gasketOne port gasket referencing 18291-216-000 and 18291-MN5-650. Count the gaskets needed before comparing this purchase with the ten-pack.View part

Related parts: Ten-pack of exhaust-port gaskets

Use the clamp’s mounting measurement

The clamp’s stated 55 mm measurement is between mounting-hole centers. Compare that with the existing clamp instead of reading it as a pipe diameter. Its 14-fin description helps identify the pattern, but neither detail establishes the contents of a full exhaust mounting package.

Keep gasket and fastener quantities clear

The stud kit contains eight studs, eight washers and eight nuts. The gasket choices are one gasket or a pack of ten, with separate descriptions. Count the repair’s required pieces and retained usable hardware before ordering; a kit name alone does not include clamps or seals.

Common questions

Does the exhaust stud kit contain eight pieces altogether?

No. Its description specifies eight studs, eight washers and eight nuts. Gaskets and finned clamps are not identified among those contents, so assess those parts separately when building the exhaust mounting order.

Is the clamp’s 55 mm figure a pipe size?

It is the center-to-center distance between the mounting holes. Compare that spacing with the fitted clamp. The description does not establish a pipe diameter from this measurement, so do not use it as one.

Is the stand stopper rubber an exhaust-port seal?

No. The rubber stopper is a stand component referenced as 95011-61000. It should not be used in place of the separately listed exhaust-port gasket when choosing sealing parts for the cylinder-head connection.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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