Honda motorcycle parts
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Choose your model and year to see parts listed for your bike.
1974 Honda CB550K · Exhaust Buying guide
The gasket is offered individually and as a ten-pack. Studs, clamps and the rubber connector have separate functions and supply details. Build the order from the fitted exhaust rather than treating them as one complete system.
Exhaust port gasketSingle gasket replacing references 18291-216-000 and 18291-MN5-650, with CB550K 1974–78 application. Sold each; count the individual seals required.View part
Chrome exhaust clamp14-fin clamp replacing OEM 18231-323-000, with 55mm hole centres.View part
Muffler connecting tubeGenuine Honda rubber connector 18473-323-000, sold individually for listed original-style exhaust assemblies. Compare the connector location and muffler arrangement before ordering.View part
Related parts: Exhaust stud, washer and nut set · Exhaust port gaskets, pack of ten
The single gasket and ten-pack both list references 18291-216-000 and 18291-MN5-650. Their difference is the stated supplied quantity, not an established second sealing location. Count the seals required and compare that need with each listing before choosing individual gaskets or a pack.
The Honda muffler connecting tube is sold individually for listed original-style exhaust assemblies. Its description asks you to compare the exhaust layout, connector position and muffler setup, particularly after an aftermarket change. That check is separate from selecting port gaskets or the mounting stud set.
The shown products are seals, clamps, a retaining-hardware set and the muffler connecting tube. None is described as a complete exhaust system. Review the particular components needed to service the exhaust already fitted rather than assuming a supplied pipe or muffler assembly.
It establishes ten gaskets supplied per pack. Determine the number of individual seals needed for the actual repair, then choose the package accordingly. Do not use package size as an installed-per-motorcycle quantity or as evidence that every seal needs replacement.
Its description expressly lists eight exhaust studs, eight washers and eight nuts for the supported CB550 applications. That is the supplied hardware package. The gaskets, clamps and rubber connecting tube are separately described products, so assess them independently for your repair.
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