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Exemple : oil filter (filtre à huile) ou une référence OEM.

Consultation en cours Joints et fixations

Pièces pour motos Honda

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Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-254-000

$3.42 USD
17-2812
Replace one exhaust port gasket on your CB750 or big-bore DOHC CB with this Exhaust Port Gasket, 1 piece, replacing OEM #18291-254-000 / #18291-MM5-860....
Épuisé
Honda CB1100 CB1000 CB900 exhaust headpipe gasket (each) 18291-MM5-860

Honda CB Exhaust Headpipe Gasket (Each) ~ Replaces 18291-MM5-860

$6.84 USD
18-7013
Replace one cylinder-head-to-exhaust-headpipe gasket on your big-bore Honda with this Cylinder Head to Exhaust Headpipe Gasket, 1 piece, replacing OEM #18291-MM5-860. Exceptionally broad fitment...

1986 Honda CB700SC · Exhaust-Port Sealing Parts Buying guide

Compare the headpipe gasket reference and order quantity

Both choices cover the listed cylinder-head sealing application. Use the actual joint and current specification to choose, rather than assuming the two listings use different materials or fit different joints.

Use the single-piece sale unit

Each selected listing supplies one gasket. Resealing all four CB700SC cylinder-head exhaust ports therefore requires four individual pieces. If only some joints are disturbed, order for those locations and inspect the sealing faces and mounting hardware before assembly.

Ask about a specification that matters

The two listed applications and references overlap. If the repair calls for a particular material or dimension, check that requirement against the current product specification before buying. The catalog entry alone should not be used to infer an unlisted construction difference.

Buying questions

Can an old exhaust-port gasket be left in place under a new one?

No. The replacement guidance calls for removal of the old crush gasket from the disturbed port before installing a fresh one. Check the seat carefully rather than stacking another gasket on top of an old compressed seal.

Do the two Honda references identify different exhaust-joint locations?

Both selected products cover the CB700SC cylinder-head-to-headpipe joint and share reference 18291-MM5-860; one also lists 18291-254-000. The extra reference does not make that item a collector or muffler-joint gasket, or prove a different material.

What should I check for an aftermarket headpipe?

Use the headpipe maker’s sealing requirement and compare the actual cylinder-head connection. Keep any collector or muffler joint requirements separate from this headpipe-gasket application.

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