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1983 Honda CB650SC Nighthawk Engine Parts

The 1983 CB650SC engine selection supports oil changes and gasket work with parts listed for the later Nighthawk. Separate routine service from an opened-engine repair, then compare the filter hardware, gasket references and exact joints involved before building your order.

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Honda CB1100 CB1000 CB900 CB750 CB650 oil filter 15410-426-010

Honda CB Oil Filter ~ Replaces 15410-426-010

$7.95 USD
15-0002
Service your classic Honda with this Stock-Type Oil Filter Element (paper filter), replacing OEM #15410-426-010 / #15410-422-004. Exceptionally broad fitment covering the full SOHC...
New
Honda CB900 CB750 CB700 CB650 drain plug washer

Honda CB900/CB750/CB700/CB650 Drain Plug Washer

$1.75 USD
15-0006
Fit the smaller 12mm drain plug washer with this 12mm x 18mm x 1mm Drain Plug Crush Washer. Broad fitment across the SOHC CB750,...
Honda CB900 CB750 CB700 CB650 CB550 magnetic oil drain plug

Honda CB Magnetic Oil Drain Plug

$12.95 USD
15-0016
Fit a 12mm magnetic drain plug with this Magnetic Oil Drain Plug, 12mm diameter x M1.5, replacing OEM #92800-12000. Broad fitment across the SOHC...
Honda CB1100 CB1000 CB900 CB750 CB650 oil filter spring 15415-300-000

Honda CB Oil Filter Spring ~ Replaces 15415-300-000

$2.95 USD
15-0055
Replace the spring inside your oil filter housing with this Oil Filter Spring, replacing OEM #15415-300-000. Matches the fitment of our #15-0002 oil filter...
New
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Honda CB1100 CB1000 oil filter pack of 3 15410-426-010

Honda CB Oil Filter Pack of 3 (Volume Deal!) ~ Replaces 15410-426-010

$18.95 USD
15-0024
Keep your engine protected with this Pack of 3 Stock Type Oil Filter Elements, designed as direct replacements for the original Honda paper oil...
Honda CB Piston Pin Clips 15mm Pk/2 ~ Replaces 94601-15000

Honda CB Piston Pin Clips 15mm Pk/2 ~ Replaces 94601-15000

$1.95 USD
05-7201
Secure your piston pins with this 2-pack of 15mm Piston Pin Clips, Japanese made to superior quality and replacing OEM Ref. #94601-15000. Exceptionally broad...
Honda CB1100 CB1000 CB900 CB750 oil filter washer each 15414-300-000

Honda CB Oil Filter Washer ~ Each ~ Replaces 15414-300-000

$2.95 USD
15-0042
Oil filter washer designed to replace the original Honda component, matching OEM reference 15414-300-000. Used to create a proper seal at the oil filter...
New
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Honda CB1100 CB1000 CB900 CB750 oil filter pack of 5 15410-426-010

Honda CB Oil Filter Pack of 5 (Best Deal!) ~ Replaces 15410-426-010

$27.95 USD
15-0025
Keep your engine properly protected with this Pack of 5 Stock Type Oil Filter Elements, designed as direct replacements for the original Honda paper...
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Honda CB750 CB700 performance magnetic oil drain plug joker machine

Honda CB Performance Magnetic Oil Drain Plug ~ Joker Machine

$49.95 USD
73-1074
Catch metal debris from your engine with this Joker Machine Brand Custom Performance Magnetic Oil Drain Plug, 12mm dia x M1.5, OEM #92800-12000.The plug...
Honda CB650SC CB550SC Athena overhaul gasket set

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,...
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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)...
Honda CB1100 CB1000 CB700 CB650 CB550 oil pressure switch

Honda CB Oil Pressure Switch ~ Genuine Honda OEM

$69.95 USD
99-5094
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Oil Pressure Switch — precision‑engineered and made in Japan. This authentic replacement part...
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1983 Honda CB650SC Nighthawk · Engine Parts Buying guide

Plan engine parts around the work being opened

Paper oil filters, a valve-cover gasket and an overhaul gasket set serve different jobs. Use the 1983–85 CB650SC application when selecting the featured sealing parts.

Parts to consider

Honda CB Oil Filter ~ Replaces 15410-426-010 Paper oil filterStock-type paper element replacing references 15410-426-010 and 15410-422-004.View part 1983-85 Honda CB650SC / CB550SC Valve Cover Gasket ~ Replaces 12391-ME5-306 Valve-cover gasketReplacement gasket using references 12391-ME5-306 and 12391-ME5-000.View part 1983-85 Honda CB650SC / CB550SC Athena Overhaul Gasket Set Athena engine gasket setOverhaul engine gasket set listed for the 1983–85 CB650SC Nighthawk.View part

Start with the service scope

The paper filter is intended for the original-type housing and is supplied as one element. O-rings, spring and washer are separate. Inspect the retained housing pieces before adding the replacements needed for the service.

Choose sealing parts deliberately

The valve-cover gasket is an individual repair part. The Athena package is an engine overhaul gasket set; its current description does not itemize every seal. Confirm the required joints against the package contents before treating it as a complete repair order.

Engine Parts questions

Will the valve-cover gasket also fit the earlier Nighthawk?

The featured gasket is listed for the 1983–85 CB650SC and uses ME5 references. Use the application for the engine actually fitted rather than extending it to the earlier model.

Does the paper filter include its housing hardware?

No. The paper element is sold without replacement O-rings, a spring or washers. Inspect the existing filter-housing parts and order any needed replacements separately.

Should I choose the overhaul set for one leaking cover?

Compare the individual valve-cover gasket first when that is the only joint being opened. For wider engine work, verify the overhaul-set contents against the repair plan before ordering.

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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