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1981 Honda CB650C Custom · Engine Cover Bolts Buying guide

Compare the application as carefully as the finish

This route uses the set listed for the 1980–1981 CB650C Custom. Its 24-piece total includes the tool as well as 23 bolts. Available products depend on your selected country.

The variant matters even when the count matches

The standard CB650 also has a 24-piece set in the catalog, but the Custom application has its own listing. Select the CB650C item from the stated fitment. Matching package totals and a similar appearance do not establish that the hardware is interchangeable.

Keep the kit contents visible in your plan

The stated contents are 23 stainless bolts and one Allen key for visible engine-cover hardware. If the work also needs gaskets, oil seals or a replacement cover, verify those separately. They are not identified among this listing's supplied parts.

Engine cover bolt questions

How should I match replacement bolts if the old hardware is mixed or incomplete?

Keep known original bolts laid out by cover position and replace them one at a time, comparing lengths before starting each replacement by hand. This listing does not provide a bolt-location chart or individual lengths. Use workshop information for the fitted engine and covers rather than copying an uncertain mixture of old fasteners.

Does stainless construction determine the thread treatment and tightening setting?

No universal thread treatment or torque is specified for this kit. Follow the Honda procedure for washers, thread treatment and torque at the relevant cover positions. The product guidance warns that overtightening can strip an aluminum case or distort a cover; the supplied Allen key is not a tightening specification.

Does the hardware set also supply cover gaskets or oil seals?

The stated contents are 23 stainless bolts and one Allen key for visible engine-cover hardware. Gaskets, oil seals and replacement covers are not identified as supplied. Check the correct separate listings if the planned work needs sealing parts or a replacement cover.

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