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1983 Honda CB650SC Nighthawk · Engine Cover Bolts Buying guide
The product names the 1983–1985 CB650SC Nighthawk application. Its 50-piece package is 49 bolts and one Allen key. Available products depend on your selected country.
The catalog has a separate bolt set for the 1982 CB650SC. This product explicitly names 1983–1985 Nighthawks, including the 1983 model. Use that application evidence rather than assuming every CB650SC shares the same cover hardware because the model name is similar.
The description specifies stainless bolts for the visible engine covers and an Allen key. A complete cover, gasket or oil seal is not identified in the package. Match any other required repair parts independently instead of extending the contents of this hardware listing.
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 stated contents are 49 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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