Pièces pour motos Honda
Choisissez votre modèle et l’année pour voir les pièces répertoriées pour votre moto.
Choisissez votre modèle et l’année pour voir les pièces répertoriées pour votre moto.
1981 Honda CB900C Custom · Advancer Cover & Seals Buying guide
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.
Chrome spark-advancer coverReplacement cover; its rubber O-ring gasket is supplied separately.Voir la pièce
Spark-advancer cover sealRubber O-ring gasket for the cover; reference 30372-425-000.Voir la pièce
Cover screw three-packThree 6 × 25 screws, reference 93700-06025-0A, listed for the 1981 Custom.Voir la pièce
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.
The chrome cover and rubber O-ring are separate purchases. The linked 1981 screw set contains three 6 × 25mm fasteners, but a swapped cover or engine still needs direct comparison. Keep their positions and lengths correct and use Honda’s tightening procedure.
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.
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.
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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