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  • Honda CB Cylinder Sleeve O-Ring Gasket Set ~ Replaces 91304-286-000
Honda CB750 CB650 cylinder sleeve o-ring gasket set 91304-286-000
OEM fiche reference for VintageCB750 SKU 18-7068
Honda CB Cylinder Sleeve O-Ring Gasket Set ~ Replaces 91304-286-000 — Front three-quarter
Honda CB Cylinder Sleeve O-Ring Gasket Set ~ Replaces 91304-286-000 — Rear three-quarter
Honda CB Cylinder Sleeve O-Ring Gasket Set ~ Replaces 91304-286-000 — Left side
Honda CB Cylinder Sleeve O-Ring Gasket Set ~ Replaces 91304-286-000 — Right side
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Honda CB750 CB650 cylinder sleeve o-ring gasket set 91304-286-000

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Load image into Gallery viewer, Honda CB750 CB650 cylinder sleeve o-ring gasket set 91304-286-000
Load image into Gallery viewer, OEM fiche reference for VintageCB750 SKU 18-7068
Load image into Gallery viewer, Honda CB Cylinder Sleeve O-Ring Gasket Set ~ Replaces 91304-286-000 — Front three-quarter
Load image into Gallery viewer, Honda CB Cylinder Sleeve O-Ring Gasket Set ~ Replaces 91304-286-000 — Rear three-quarter
Load image into Gallery viewer, Honda CB Cylinder Sleeve O-Ring Gasket Set ~ Replaces 91304-286-000 — Left side
Load image into Gallery viewer, Honda CB Cylinder Sleeve O-Ring Gasket Set ~ Replaces 91304-286-000 — Right side

Honda CB Cylinder Sleeve O-Ring Gasket Set ~ Replaces 91304-286-000

18-7068
$4.50 USD
In stock Usually ships the same or next business day
Check model fitment View fitment
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Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
Browse all parts
Honda CB Cylinder Sleeve O-Ring Gasket Set ~ Replaces 91304-286-000
$4.50 USD
Description

Replace your cylinder sleeve O-rings with this Cylinder Sleeve O-Ring Set of 4, replacing OEM #91304-286-000.

Key Features
• Cylinder sleeve O-rings, 4 per set
• Replaces OEM #91304-286-000
• Honda part name: O-ring (61.8X2.0)

Fitment / Compatibility

• Honda CB750K (1969‑78)
• CB750F (1975‑78) Supersport
• CB750A (1976‑78) Hondamatic

• Honda CB650 (1979‑82)
• CB650C (1980‑81) Custom
• CB650SC (1982)

• Honda CB500K (1971‑73)
• CB550F (1975‑77) Supersport
• CB550K (1974‑78)

• Honda CB125S (1973‑76)

Part Number: 18-7068

Read More
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Check the listed model and year, then read any fitment notes in the description.

Make Model Year
Honda CB750K Standard 1969
Honda CB750K 1970
Honda CB750K 1971
Honda CB750K 1972
Honda CB750K 1973
Honda CB750K 1974
Honda CB750K 1975
Honda CB750F Supersport 1975
Honda CB750K 1976
Honda CB750F 1976
Honda CB750A Hondamatic 1976
Honda CB750K 1977
Honda CB750F 1977
Honda CB750A 1977
Honda CB750K 1978
Honda CB750F 1978
Honda CB750A 1978
Honda CB650 1979
Honda CB650 1980
Honda CB650 1981
Honda CB650 1982
Honda CB650SC Nighthawk 1982
Honda CB650C Custom 1980
Honda CB650C Custom 1981
Honda CB550K0 1974
Honda CB550K1 1975
Honda CB550K2 1976
Honda CB550K3 1977
Honda CB550K4 1978
Honda CB550F1 1975
Honda CB550F2 1976
Honda CB550F3 1977
Honda CB500K0 1971
Honda CB500K1 1972
Honda CB500K2 1973
Honda CB125S0 1973
Honda CB125S1 1974
Honda CB125S2 1975
Honda CB125S3 1976

Free ground shipping over $50

To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.

Estimated ground delivery after your order ships
DestinationDelivery time
USA4–7 business days
Canada2–6 business days

Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.

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60-day returns on eligible parts

No restocking fees. Eligible parts must be unused, uninstalled, unaltered and complete. The 60-day window starts when your order is delivered.

Electrical parts are excluded from standard returns. Check return eligibility.

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Other shipping options

Canada Post Economy: Available at checkout for select small items. Allow 1–3 weeks for delivery. No tracking or insurance is included.

Outside the USA & Canada: Delivery times vary by destination and shipping method. Buyers are responsible for applicable duties, taxes and import fees. We cannot mark orders as gifts.

Frequently Asked Questions

How many cylinder-sleeve O-rings are included and required?

Four O-rings are included. Four complete one listed four-cylinder engine; the single-cylinder CB125S uses one O-ring per engine.

Which Honda sleeve O-ring number does set 18-7068 replace?

The four-piece set cross-references Honda OEM 91304-286-000.

Where do these O-rings seal?

They seal around the lower cylinder sleeves where the cylinder block registers into the crankcase.

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