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1985 Honda CB650SC Nighthawk · Engine Cover Bolts Buying guide
This set names the 1983–1985 CB650SC Nighthawk and describes visible engine-cover hardware. The 50 pieces include 49 bolts and a key. Available products depend on your selected country.
The product supplies stainless bolts for the visible engine covers. It does not describe a replacement cover or a sealing kit. If the existing cover is damaged or the work involves another component, identify that part separately rather than relying on the fastener package.
The stated model-year range is useful ordering evidence for the original application. If the motorcycle has received a different engine or modified covers, compare those fitted parts before choosing the kit. An unchanged registration year does not establish the replacement assembly's hardware needs.
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 other sets in the catalog have their own model applications. This listing does not establish them as substitutes. Match the fitted engine and covers before comparing package size or choosing different hardware.
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