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Pièces pour motos Honda

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1983-85 Honda CB650SC / CB550SC Athena Overhaul Gasket Set

$229.95 USD
18-0108
Rebuild your CB550SC or CB650SC Nighthawk engine with this Athena Overhaul Engine Gasket Set. Athena of Italy is an original-equipment supplier to Yamaha, Honda,...
Épuisé
Honda CB650SC CB550SC valve cover gasket 12391-ME5-306

1983-85 Honda CB650SC / CB550SC Valve Cover Gasket ~ Replaces 12391-ME5-306

$39.95 USD
12-1023
Replace your Nighthawk valve cover gasket with this Fibre-Type Valve Cover Gasket, replacing OEM #12391-ME5-306 / #12391-ME5-000. Fits the CB650SC (1983-85) and CB550SC (1983)...

1984 Honda CB650SC Nighthawk · Valve-Cover & Engine Gaskets Buying guide

Match gasket coverage to the amount of disassembly

The featured individual gasket serves the valve cover. The overhaul set is listed for the later CB650SC, but its full contents need checking when a particular oil seal or small sealing part is essential.

Use the cover-specific identification

The valve-cover gasket replaces 12391-ME5-306 or 12391-ME5-000. Check the cover and engine application rather than assuming an earlier CB650 gasket shares the same outline. A model name alone is not a useful substitute for that component check.

Ask the set to cover defined joints

For an engine overhaul, make a list of the joints and seals needed before selecting the Athena set. The current product description does not enumerate its contents. Confirm any critical item rather than assuming every separately sold gasket or seal comes in the box.

Valve-Cover & Engine Gaskets questions

Does the valve-cover gasket include bolt seals or grommets?

No. It contains the main valve-cover gasket only. Inspect separate sealing washers, grommets and rubber plugs during disassembly, and select those parts separately if they are worn or hardened.

Should I order individual gaskets alongside the overhaul set?

Only after comparing confirmed set contents with the repair plan. That avoids unnecessary duplicates and makes any genuinely missing joint or seal clear before the engine work begins.

What should I check to prevent another valve-cover leak?

Check the cover for damage and remove old gasket residue without gouging the aluminum mating surfaces. Use the service-manual tightening sequence and torque; overtightening can distort the cover or damage the new gasket.

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