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1976 Honda CB550K Fork Seals, Springs, Boots & Caps

Fork work on the 1976 Honda CB550K may need seals, protective gaitors, springs, circlips or top caps. These listings cover different parts of the assembly. Compare the fitted forks and existing components, then read the spring package’s model-specific notes before ordering extra pieces.

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Currently viewing Fork Tubes, Springs, Seals & Boots

Honda motorcycle parts

Choose your model and year to see parts listed for your bike.

Honda CB750 CB650 CB550 CB500 fork seals

Honda CB750 / CB650 / CB550 / CB500 Fork Seals

$19.95 USD
27-1007
Replace your fork seals with this Fork Seal Set, 35 x 48 x 10.5 / 11mm. High quality, made in Japan. Key Features• Fork...
Honda CB750 CB550 CB500 CB450 fork gaiters 51611-300-000

Honda CB Stock Type Fork Gaitors ~ Replaces 51611-300-000

$29.95 USD
27-1061
Replace your fork gaitors with this Black Stock Type Fork Gaitors Set of 2, replacing OEM #51611-300-000.Key Features• Stock-type black fork gaitors, set of...
Honda CB750 CB550 CB500 CB450 CB400 reflector 33741-340-670

Honda CB Stock Type Reflector ~ Replaces 33741-340-670

$21.46 USD
11-2303
Restore your mid-'70s Honda's stock reflectors with this Stock-Type Screw-On Reflector with a 6mm thread, replacing OEM #33741-340-670. Broad fitment covering the 1972-78 CB750...
Honda CB750 CB550 CB500 CB450 CL450K5 fork internal circlip set 94521-48000

Honda CB Fork Internal Circlip Set

$7.95 USD
73-1035
Replace your fork internal circlips with this Fork Internal Circlip (48mm) Set of 2, replacing OEM #94521-48000.Key Features• Fork internal circlips• 48mm• Set of...
Honda CB750 CB550 front reflector rubber base 33743-341-670

Honda CB Stock Type Front Reflector Rubber Base ~ Replaces 33743-341-670

$8.95 USD
11-2304
Fit the rubber base beneath your stock front reflector with this Stock-Type Front Reflector Rubber Base, replacing OEM #33743-341-670.Key Features• Stock-type front reflector rubber...
Honda CB750 CB550 CB500 CB450 35mm front fork tube bolt with o-ring 90123-300-000

Honda CB750 / CB550 / CB500 / CB450 35mm Front Fork Tube Bolt with O-Ring ~ Replaces Honda OEM 90123-300-000

$17.95 USD
29-6013
This aftermarket 35mm front fork tube bolt is used as the top cap/bolt on compatible Honda CB 35mm fork tubes. It replaces Honda OEM...
Honda CB750A CB550F CB550K Progressive type front fork springs

1974-78 Honda CB750A / CB550F / CB550K Progressive Type Front Fork Springs

$84.95 USD
33-0005
Upgrade your fork performance with this Progressive Type Front Fork Spring Set of 2, including 10" pipe and washers. Progressive springs improve handling and...
Honda CB750 CB650 CB550 front fork damper valve set

Honda CB750 / CB650 / CB550 Front Fork Damper Valve Set

$79.95 USD
27-1886
Upgrade your 35mm rod-style front forks to perform like modern cartridge forks with this Front Fork Damper Valve Set of 2. These tunable valves...
Honda CB750 CB550 CB500 CB450 CL450K5 fork gaiters 51611-300-000

Honda CB Fork Gaitors ~ Replaces 51611-300-000

$29.95 USD
27-1089
Replace your fork gaitors with this Black Fork Gaitors Set of 2, replacing OEM #51611-300-000.Note: these are about 1.75" shorter than the stock type...
Universal motorcycle fork cap wrench 35mm

Universal Motorcycle Fork Cap Wrench ~ 35mm

$7.00 USD
35-9113
Fork Cap Wrench ~ 35MM Size for custom or restoration work on classic Honda CB motorcycles.  Key Features Aftermarket part Sold as: Each Fitment...
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Honda CB750 CB550 CB500 fork boot collars joker machine

Honda CB750 / CB550 / CB500 Fork Boot Collars ~ Joker Machine

$99.95 USD
12-0072
Get a café look while keeping your OEM fork gaiters with these Joker Machine Custom Fully CNC Machined Fork Boot Collars, set of 2....
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1976 Honda CB550K · Fork Tubes, Springs, Seals & Boots Buying guide

Separate the seal, boot and cap requirements

Stock-type gaitors and a shorter alternative are different appearance choices. The replacement cap includes an O-ring; the fork spring package has a specific CB550 accessory exclusion. Match the actual assembly rather than combining packages by name.

Parts to consider

Honda CB750 / CB650 / CB550 / CB500 Fork Seals Fork seal setSeal set listed at 35 × 48 × 10.5 / 11mm. Compare the actual fork seals before ordering.View part Honda CB Stock Type Fork Gaitors ~ Replaces 51611-300-000 Stock-type black gaitor pairTwo black stock-type gaitors with replacement reference 51611-300-000. Compare them with the fitted boots.View part Honda CB750 / CB550 / CB500 / CB450 35mm Front Fork Tube Bolt with O-Ring ~ Replaces Honda OEM 90123-300-000 Fork cap with O-ringAftermarket cap replacing reference 90123-300-000, sold each with an O-ring; its listing specifies M28 × 1.5 threads.View part

Related parts: Fork spring pair; read CB550 package note · 48mm fork internal circlip pair · Shorter black gaitor pair

Compare the two gaitor options deliberately

Both black gaitor listings name replacement reference 51611-300-000 and a set of two. The alternative is described as about 1.75 inches shorter than the stock type. That difference matters when matching an existing appearance, so compare the two descriptions and your fitted boots before choosing.

Keep spring notes separate from cap dimensions

The progressive-type spring set lists two springs with pipe and washers, but says those accessories are not used on CB550K or CB550F models. The cap’s listed 35mm fork application and M28 × 1.5 thread are separate details; neither establishes the wrench size of every cap fitted to a changed fork.

Common questions

Does the spring pair require the supplied pipe on this bike?

The description says the spacers and washers are not used with the listed CB550K or CB550F applications. Although pipe and washers are included in the package, do not apply another model’s spacer instruction to this motorcycle. Use the linked product instructions.

What comes with the replacement fork cap?

The aftermarket cap listing includes its O-ring and sells the cap individually. It specifies replacement reference 90123-300-000 and M28 × 1.5 threads. Compare the fitted fork, threads and original cap information before ordering the number you need.

Are the two gaitor sets the same length?

No. One is described as stock type, while the other is described as about 1.75 inches shorter. Both list black gaitors in a set of two. Compare the actual fitted boots and the appearance you want before selecting between them.

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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