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1982 Honda CB650 Gaskets & Oil Seals

A localized oil leak and a stripped engine need different sealing orders. For the 1982 standard CB650, begin with the exact joint, gasket outline and engine identity. Check individual pieces against the work planned before choosing a broader gasket set.

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Currently viewing Gaskets & Oil Seals & Engine Hardware

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Honda CB1100 CB1000 shift shaft oil seal 12.5 x 25 x 8 91204-425-003

Honda CB Shift Shaft Oil Seal ~ 12.5 x 25 x 8 ~ Replaces 91204-425-003

$4.61 USD
73-0968
Replace your shift shaft oil seal with this Shift Shaft Oil Seal, 12.5 x 25 x 8, replacing OEM #91204-425-003. High-quality, made in Japan.Key...
Honda CB1100 CB1000 tach drive oil seal 4.8 x 14.5 x 5 91256-425-003

Honda CB Tach Drive Oil Seal ~ 4.8 x 14.5 x 5 ~ Replaces 91256-425-003

$4.95 USD
73-0964
Replace your tach drive oil seal with this Tach Drive Oil Seal, 4.8 x 14.5 x 5, replacing OEM #91256-425-003. High-quality, made in Japan.Key...
Honda CB750 CB550 CB650 cylinder head nut cover 91318-300-013

Honda CB750 / CB550 / CB650 Cylinder Head Nut Cover

$3.74 USD
01-0137
Restore the clean look of your cylinder head with this Rubber Cylinder Head Nut Cover, a replacement for OEM Ref. #91318-300-013. Fits all 1969-78...
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Honda CB750 CB900 CB650 cam cover seal 90541-425-000

Honda CB750 / CB900 / CB650 Cam Cover Seal

$11.95 USD
01-0116
Keep oil where it belongs with this Cam Cover Seal, a direct replacement for OEM #90541-425-000. Fits a wide range of late-'70s through early-'80s...
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Honda CB650 CB650C CB650SC valve cover gasket 12391-460-770

1979-82 Honda CB650 / CB650C / CB650SC Valve Cover Gasket ~ Replaces 12391-460-770

$23.05 USD
18-6995
Replace your CB650 valve cover gasket with this Valve Cover Gasket (cylinder cover), replacing OEM #12391-460-770.Key Features• Valve cover (cylinder cover) gasket• Replaces OEM...
Honda CB750 CB650 cylinder sleeve o-ring gasket set 91304-286-000

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

$4.50 USD
18-7068
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...
Honda CB650 CB650C CB650SC alternator cover gasket 11691-426-306

1979-82 Honda CB650 / CB650C / CB650SC Alternator Cover Gasket ~ Replaces 11691-426-306

$11.05 USD
18-6994
Replace your CB650 alternator cover gasket with this Alternator Cover Gasket, replacing OEM #11691-426-306.Key Features• Alternator cover gasket• Replaces OEM #11691-426-306• Honda part name:...
Honda CB750 CB650 CB550 CB500 crank seal 30 x 42 x 8 91201-300-003

Honda CB Crank Seal ~ 30 x 42 x 8 ~ Replaces 91201-300-003

$7.00 USD
73-0960
Replace your crank seal with this Crank Seal, 30 x 42 x 8, replacing OEM #91201-300-003. High-quality, made in Japan.Note: please reference the OEM...
Honda CB650 engine oil seal kit made in japan

1980-82 Honda CB650 Engine Oil Seal Kit

$34.95 USD
01-9003
Rebuild your CB650 with this 7-piece Engine Oil Seal Kit, built to superior OEM quality and made in Japan. A complete seal bundle for...
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Honda CB650 CB650C CB650SC cylinder head gasket 12251-426-306

1979-82 Honda CB650 / CB650C / CB650SC Cylinder Head Gasket ~ Replaces 12251-426-306

$59.95 USD
18-6992
Replace your CB650 cylinder head gasket with this Cylinder Head Gasket, replacing OEM #12251-426-306.Key Features• Cylinder head gasket• Replaces OEM #12251-426-306• Honda part name:...
Honda CB650 CB650C CB650SC overhaul gasket set

1979-82 Honda CB650 / CB650C / CB650SC Overhaul Gasket Set

$139.95 USD
18-0440
Rebuild your CB650 engine with this Overhaul Engine Gasket Set.Key Features• Overhaul engine gasket setFitment / Compatibility• Honda CB650 (1979‑82)• CB650C (1980‑81) Custom• CB650SC...
Honda CB650 CB650C CB650SC Athena overhaul gasket set

1979-82 Honda CB650 / CB650C / CB650SC Athena Overhaul Gasket Set

$179.95 USD
18-0202
Rebuild your CB650 engine with this Athena Overhaul Engine Gasket Set. Athena of Italy is an original-equipment supplier to Yamaha, Honda, Kawasaki, Suzuki, and...
Honda CB650 CB550 CB500 cylinder base gasket 12191-426-306

Honda CB650 / CB550 / CB500 Cylinder Base Gasket ~ Replaces 12191-426-306

$18.50 USD
18-6993
Replace your CB650 or CB500/CB550 cylinder base gasket with this Cylinder Base Gasket, replacing OEM #12191-426-306.Key Features• Cylinder base gasket• Replaces OEM #12191-426-306• Honda...
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Honda CB650 CB650C CB650SC Athena gasket set (top end set only)

1979-82 Honda CB650 / CB650C / CB650SC Athena Gasket Set (Top End Set Only)

$149.95 USD
18-0434
Freshen up the top end of your CB650 with this Athena Top End Gasket Set. Athena of Italy is an original-equipment supplier to Yamaha,...
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1982 Honda CB650 · Gaskets & Oil Seals Buying guide

Match each gasket to the opened joint

Valve-cover and cylinder-head gaskets are clearly identified individual choices. Separate oil seals require their own size and position checks; an engine-wide kit should be checked against the full repair list.

Parts to consider

1979-82 Honda CB650 / CB650C / CB650SC Valve Cover Gasket ~ Replaces 12391-460-770 Valve-cover gasketCylinder-cover gasket replacing reference 12391-460-770, listed for the 1982 CB650.View part 1979-82 Honda CB650 / CB650C / CB650SC Cylinder Head Gasket ~ Replaces 12251-426-306 Cylinder-head gasketHead gasket replacing reference 12251-426-306 for the listed CB650 applications.View part

Use an individual gasket for a known joint

The valve-cover gasket carries reference 12391-460-770; the cylinder-head gasket uses 12251-426-306. Identifying the leaking or disturbed joint avoids opening a larger kit solely to obtain one piece. Compare the actual cover or cylinder assembly if the engine has been changed.

Check the full repair list

An overhaul gasket set and an oil-seal kit serve different purchasing needs. Before a complete rebuild, confirm the current kit contents against every opened joint and removed seal. Do not assume that rubber seals, valve-stem seals or cover hardware accompany every gasket set.

Buying questions

How do I distinguish the valve-cover joint from the head-gasket joint?

The valve-cover gasket seals the removable top cover. The head gasket seals between the cylinder head and cylinder block. Locate the leaking joint before choosing a gasket; the two parts serve different positions.

Can I choose a crank seal from the model name alone?

Match the specific seal position, dimensions and reference. Some engines use different crank seals at separate locations, so a broad application list is insufficient to choose a side.

What if I only need a cylinder-head gasket?

Use the individual head-gasket option after confirming the engine application. You do not need to choose an overhaul set merely because other engine work may be done later.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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