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1981 Honda CB650 · Engine Cover Bolts Buying guide
The 1980–1982 standard CB650 listing supports this model year and supplies 23 bolts with one Allen key. Check modified or replacement engines separately. Available products depend on your selected country.
The motorcycle year alone does not settle the hardware choice if a different engine or cover has been fitted. This set is described for the standard 1980–1982 CB650 application. Compare the actual assembly with that listing before ordering for a modified bike.
The listed contents are 23 stainless bolts and an Allen key. Gaskets, oil seals and replacement covers are not identified as included. Check those items on their own listings if the planned work needs more than a hardware change.
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.
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.
The listing specifies bolts and one Allen key; it does not identify cover gaskets as supplied. Check the appropriate gasket listing separately if your cover work also requires a sealing part.
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