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1982 Honda CB900C Custom Engine Covers

The 1982 CB900C Custom cover selection includes a chrome spark-advancer cover and its separate sealing ring. Identify the damaged cover before buying cosmetic hardware, and check whether the surrounding seal needs replacing as part of the same repair.

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Honda CB1100 CB1000 CB900 CB750 spark advancer cover gasket 30372-425-000

Honda CB1100 / CB1000 / CB900 / CB750 Spark Advancer Cover Gasket ~ Replaces 30372-425-000

$7.95 USD
18-7059
Replace your DOHC CB's spark advancer cover gasket with this Spark Advancer Cover Gasket (rubber O-ring), replacing OEM #30372-425-000.Key Features• Spark advancer cover gasket...
Honda CB1000 CB900 CB750 spark advancer cover screw set 93700-06025-0A

Honda CB1000 / CB900 / CB750 Spark Advancer Cover Screw Set ~ Replaces 93700-06025-0A

$3.50 USD
73-0900
Replace your spark advancer cover screws with this Spark Advancer Cover Screw Set of 3 in 6x25 size, replacing OEM #93700-06025-0A.Note: the 1980 bikes...
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Honda CB valve tappet cover rocker cap 12361-300-000

Honda CB Valve Tappet Cover / Rocker Cap ~ Replaces 12361-300-000

$6.95 USD
01-9980
Dress up your Honda's top end with this Valve Tappet Cover (Rocker Cap), an aftermarket finned chrome-plated replacement for OEM #12361-300-000. Fits an exceptionally...
Honda CB1100 CB1000 CB900 CB750 starter motor cover gasket 31282-425-300

Honda CB1100 / CB1000 / CB900 / CB750 Starter Motor Cover Gasket ~ Replaces Honda OEM 31282-425-300

$11.69 USD
18-7070
Starter Motor Cover Gasket ~ Replaces Honda OEM 31282-425-300 for the Honda CB models listed below. Use this part for repair, restoration, or replacement...
Honda CB1000 CB900 CB750 chrome spark advancer cover 30371-425-010

Honda CB1000 / CB900 / CB750 Chrome Spark Advancer Cover ~ Replaces 30371-425-010

$64.95 USD
73-0050
Replace a worn spark advancer cover with this Chrome Spark Advancer Cover, replacing OEM #30371-425-010. These covers are often dented, rusted, or worn; a...
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1982 Honda CB900C Custom · Engine Covers Buying guide

Inspect behind a damaged advancer cover before fitting a new one

The chrome spark-advancer cover protects an ignition assembly; it is separate from the generator and clutch covers. Match its mounting and rubber sealing ring, and check for damage behind a dented cover rather than treating the job as chrome replacement alone.

Parts to consider

Honda CB1000 / CB900 / CB750 Chrome Spark Advancer Cover ~ Replaces 30371-425-010 Chrome spark-advancer coverReplacement cover referencing 30371-425-010; a new gasket is sold separately.View part Honda CB1100 / CB1000 / CB900 / CB750 Spark Advancer Cover Gasket ~ Replaces 30372-425-000 Spark-advancer cover sealing ringRubber O-ring gasket referencing 30372-425-000.View part

A new cover does not repair the mechanism beneath it

Honda checks spark-advancer operation as part of ignition service. If the cover has been struck, inspect the enclosed components and clearance before fitting the replacement. A damaged advancer or pulser assembly needs its own diagnosis; changing the outer cover will not correct ignition timing faults.

Match the seal and fasteners to the cover

The 1982 guide links the chrome cover and its rubber O-ring separately. Inspect both mating surfaces and the existing fasteners before ordering. The outer cover is not a complete ignition assembly, and its seal is not the paper gasket used at a different engine cover.

Engine Covers questions

Does a replacement chrome cover cure an ignition misfire?

Not by itself. Inspect for contact or damage underneath, then follow Honda’s ignition checks if the symptom remains. A damaged internal component needs its own repair; avoid disturbing pulser settings during a cosmetic cover change.

Should a flat paper gasket be used with this cover?

The listed sealing part is a rubber O-ring, reference 30372-425-000. Match the old ring and its seating area. A gasket for another engine cover does not become suitable because the outer cover looks similar.

What should I check before reusing the old screws?

Inspect the heads and threads, and keep their original positions and lengths. Damaged threads or screws that bottom before clamping need attention before the cover is refitted; extra tightening can damage the housing.

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