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Honda CB550 Parts

Honda CB550 parts for CB550K Four, CB550F Super Sport and CB550SC Nighthawk repairs. Choose your model below for carburetor kits, fork seals, brake components and engine service parts.

Browse Honda CB models to compare models.

Choose your Honda CB550 model

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Choose your Honda CB550 model

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In stock
Honda CB750 CB550 CB500 CB400 Tank Cap Latch Assembly Black

Honda CB750 CB550 CB500 CB400 Tank Cap Latch Assembly - Black

$27.31
01-9934
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Honda CB750 CB550 CB500 CB400 Tank Cap Latch Assembly - Black. This fuel tank cap closes the filler neck and helps seal the fuel...
In stock
Honda CB550F CB550K Engine Oil Seal Kit

Honda CB550F CB550K Engine Oil Seal Kit

$27.31
01-0149
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Honda CB550F CB550K Engine Oil Seal Kit. This oil seal retains oil around the matching shaft, hub, or housing bore. Replace hardened, cut, grooved,...
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About the Honda CB550: Four, Super Sport & Nighthawk

Three CB550 branches, with different choices for carburetors, forks and clutch repairs.

Honda Motorcycle Logo

The 1970s CB550K Four and CB550F Super Sport belong to Honda’s classic four-cylinder range. The F’s original four-into-one exhaust is a useful styling clue. The later CB550SC Nighthawk takes a different mechanical direction with a DOHC engine, hydraulic clutch and shaft drive. The full model code matters more than the shared 550 badge.

Choose the model before building your repair list

Start with the CB550K guide for its 1974–1976 and 1977–1978 carb-kit split, or the CB550F Super Sport guide for the separate F application. The CB550SC Nighthawk guide covers hydraulic-clutch service and the selected 37 mm fork-seal application. These are part-specific examples, not one interchange list for the whole family.

Know your CB550 before choosing partsCB550 repair checkpoints

Use these assembly-specific notes to plan your repair.

CB550K | 1974–1978 examples

Two carb-kit groups

The selected K kits divide into 1974–1976 and 1977–1978.

Parts checkpoint: Use the fitted carburetor’s markings to resolve a changed rack.

CB550F | 1975–1977 examples

Super Sport service parts

The F has its own carb kit, while selected brake pads and fork seals also list K applications.

Parts checkpoint: Shared chassis items do not establish carb-kit interchange.

CB550SC | 1983–1984 examples

Nighthawk assemblies

The selected SC fork seals are 37 × 50 × 11 mm and supplied as two seals.

Parts checkpoint: The SC engine-related kits featured here list 1983 separately.

Identify your motorcycle before orderingCB550 model and identification checklist

Use this checklist to distinguish the motorcycle from any replacement assembly. It is not a frame-number decoder.

CB550 model and component identification
Model or componentYear or identificationCheck before ordering
CB550K FourK suffix and model yearChoose the early or late K carb application.
CB550F Super SportF suffix; original four-into-one stylingAn aftermarket exhaust does not change the required carb kit.
CB550SC NighthawkSC suffix; hydraulic clutch and shaft driveKeep engine, clutch and fork applications separate from F/K.
Changed componentsCarburetor markings and fork dimensionsOrder for the assembly being serviced.
Need help identifying your CB550?

Contact PartsNMore with the model year, frame and engine markings, and clear photos of the part being repaired.

Honda CB550 Parts for repairs & restoration

Choose a repair below. Each linked example has its own model-year application and may sit outside your current filter; use the full product listing when ordering.

Restoring or customizing your CB550?

For a period restoration, identify original controls and mounting points before selecting replacements. For a custom build, measure handlebar diameter, cable reach and mirror threads first.

Universal parts require measurement and may need modification. They are not a confirmed CB550 fit.

Why buy your CB550 parts from PartsNMore?

Supplying motorcycle parts since 2002. Meet PartsNMore.

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Stock on our shelves

Items marked in stock are held in our warehouse. Orders usually dispatch the same or next business day.

Free ground shipping

USA: $50 USD or more. Canada: over $50 CAD. View shipping details.

60-day returns

Eligible unused, unaltered parts in original packaging. No restocking fee; electrical parts excluded. Read the return policy.

Need help choosing? Ask our parts team with your CB550 model, year and a clear photo of the part or its markings.

Honda CB550 parts questions

What is the difference between CB550K, CB550F and CB550SC?
K is the classic Four branch and F is the Super Sport, originally styled with a four-into-one exhaust. The later SC Nighthawk has a DOHC engine, hydraulic clutch and shaft drive. Select the complete code before shopping for a repair.
Which CB550 carburetor rebuild kit should I buy?
The selected applications are CB550K 1974–1976, CB550K 1977–1978 and CB550F 1975–1977. The separate SC repair kit lists 1983. A replaced carburetor rack must be identified by its own markings.
Are the featured CB550 fork seals sold as a pair?
Yes. The selected F/K and SC listings each specify two fork oil seals. They have different dimensions and applications; the F/K set is not the featured SC set. Dust seals and other overhaul parts need their own contents check.
Can a CB550SC hydraulic-clutch kit repair an earlier CB550?
Do not extend an SC application to an F or K. The linked Nighthawk kits service its clutch master or slave cylinder. Choose parts for the clutch assembly installed on the motorcycle.

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