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1986 Honda CB700SC Engine Maintenance Parts

For the 1986 CB700SC, an engine-parts order should reflect what the service actually opens or replaces. Compare spin-on filters for routine maintenance, individual mounting seals for cover work and a gasket set for a wider overhaul. Identify the affected joint before choosing a package.

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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 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...
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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...
Honda CB1100 CB1000 CB900 CB750 oil filter wrench

Honda CB1100/CB1000/CB900/CB750 Oil Filter Wrench

$14.95 USD
35-9022
Remove and install spin-on oil filters with this 3/8" Drive Tripod Oil Filter Wrench. Designed for our aftermarket spin-on cartridge oil filters.Key Features• 3/8"...
Honda CB 82RH2015 silent cam chain rivet link for silent cam chain service

82RH2015 Silent Cam Chain Rivet Link

$4.61 USD
01-8816
Finish your silent cam chain install the easy way with this Silent Cam Chain Rivet Link, type 82RH2015. This rivet link lets you press...
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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...
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Honda CB750SC CB700SC black spin on oil filter 15410-MJ0-405

1984-86 Honda CB750SC / CB700SC Black Spin On Oil Filter ~ Replaces 15410-MJ0-405

$12.50 USD
15-0026
Fit a black spin-on oil filter to your Nighthawk with this Black Spin-On Oil Filter, replacing OEM #15410-MJ0-405. Fits the 1984-86 CB700SC and 1984-85...
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...
Honda CB750SC CB700SC chrome spin on oil filter 15410-MJ0-405

1984-86 Honda CB750SC / CB700SC Chrome Spin On Oil Filter ~ Replaces 15410-MJ0-405

$14.50 USD
73-0086
Replace your Nighthawk oil filter with this Chrome Spin-On Oil Filter, OEM #15410-MJ0-405.Key Features• Chrome spin-on oil filter• OEM #15410-MJ0-405• Honda part name: Filter,...
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Honda CB700SC Athena overhaul gasket set

1984-86 Honda CB700SC Athena Overhaul Gasket Set

$239.00 USD
18-0377
Rebuild your late-model Nighthawk engine with this Athena Overhaul Gasket Set. Athena of Italy is an original-equipment supplier to Yamaha, Honda, Kawasaki, Suzuki, and...
Honda CB700SC overhaul gasket set

1984-86 Honda CB700SC Overhaul Gasket Set

$199.95 USD
18-0442
Rebuild your CB700SC Nighthawk engine with this Overhaul Engine Gasket Set.Key Features• Overhaul engine gasket setFitment / Compatibility• All Honda CB700SC (1984‑86) NighthawkPart Number:...
Honda CB700SC CB900F CB1000 cam cover seal 90543-MV9-670

Honda CB700SC / CB900F / CB1000 Cam Cover Seal ~ Replaces 90543-MV9-670

$3.95 USD
01-0158
Keep your late-model Honda's top end leak-free with this Cam Cover Seal, a direct replacement for OEM #90543-MV9-670. Fits the CB700SC Nighthawk plus early...
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1986 Honda CB700SC · Engine Maintenance Parts Buying guide

Plan oil service and top-end work separately

The 1986 CB700SC combines a spin-on oil filter with hydraulic valve tappets. A filter change, a leaking cam-cover fastener and a cylinder-head overhaul call for different parts. Locate the fault before choosing seals, and keep the Nighthawk S engine separate from earlier CB750 designs.

Parts to consider

Honda CB700SC / CB900F / CB1000 Cam Cover Seal ~ Replaces 90543-MV9-670 Cam-cover mounting sealSold individually. The CB700SC uses eight of these seals per motorcycle.View part 1984-86 Honda CB750SC / CB700SC Chrome Spin On Oil Filter ~ Replaces 15410-MJ0-405 Chrome spin-on oil filterSpin-on replacement for reference 15410-MJ0-405, with a chrome finish and explicit CB700SC application.View part 1984-86 Honda CB700SC Overhaul Gasket Set CB700SC overhaul gasket setEngine overhaul gasket set with an explicit 1984–86 CB700SC application.View part

Related parts: Black spin-on oil filter

Oil service has an engine drain and a frame drain

Honda’s oil-change procedure identifies both engine and frame drain plugs. Match replacement hardware to each actual connection; a catalog M12 × 1.5 plug is not proof of fit at every drain. The 1986 refill quantity after replacing oil and filter is 3.3 L. Check the final level with the motorcycle on its center stand and the dipstick resting in place, not screwed in, as the manual specifies.

Hydraulic tappets change the top-end service plan

The CB700SC’s hydraulic tappets eliminate routine manual valve-clearance adjustment. Cover fastener seals address a different job: each small rubber seal sits at a mounting point, while the perimeter gasket follows the cover edge. If work extends to camshaft removal, Honda requires tappet bleeding and refilling the defoaming chambers during reassembly. Confirm gasket-set contents against that work rather than assuming every seal is supplied.

Buying questions

Does a CB700SC need valve shims during routine maintenance?

Its hydraulic tappets maintain valve clearance, so routine shim adjustment is not part of the factory maintenance arrangement. Persistent top-end noise still needs diagnosis. Camshaft removal brings specific tappet-bleeding requirements, which should not be confused with replacing a leaking cover mounting seal.

Which oil quantity applies to a 1986 oil-and-filter change?

Honda lists 3.3 L for the 1986 CB700SC after changing both oil and filter. Oil-only service is 3.0 L and a disassembled engine is 4.1 L. These are different service conditions; follow the complete drain procedure and final dipstick check rather than filling to the largest figure.

Can eight small cam-cover seals replace the perimeter gasket?

No. The eight sold-each seals are the rubber mounts at the cover fasteners. The long gasket around the cover is a separate sealing part. Locate the leak at the fastener or cover edge before ordering, and check the overhaul set’s actual contents if that is being considered.

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