1971 Honda CB500K Fork Seals & Boots

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Honda CB750 / CB650 / CB550 / CB500 Fork Seals

$19.95 USD

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

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 CL450K5 fork internal circlip set 94521-48000

Honda CB Fork Internal Circlip Set

$7.95 USD

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

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 CL450K5 fork gaiters 51611-300-000

Honda CB Fork Gaitors ~ Replaces 51611-300-000

$29.95 USD

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...

Honda CB500K CB450K CL450K5 front fork tube cap bolt with o-ring 90123-323-010

1971-74 Honda CB500K / CB450K / CL450K5 Front Fork Tube Cap Bolt with O-Ring ~ Replaces Honda OEM 90123-323-010

$23.85 USD

Replace a damaged, rusted, or rounded front fork tube cap bolt on the Honda CB500K, CB450K, and supported CL450K applications listed below. This aftermarket...

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Honda CB500K CB125S handlebar steering lock 53600-086-007

1971-85 Honda CB500K/CB125S Handlebar Steering Lock ~ Replaces 53600-086-007

$14.07 USD

Replace your handlebar steering lock with this Handlebar Steering Lock / Fork Lock with keys, replacing OEM #53600-086-007.Key Features• Handlebar steering lock / fork...

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

$99.95 USD

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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1971 Honda CB500K · Fork Tubes, Springs, Seals & Boots Buying guide

Separate fork sealing from external boot repairs

The seal set, accordion-style boots and cap bolt address different fork positions. Check the worn component and its dimensions, then select the appropriate listing rather than assuming those separate pieces form a complete fork rebuild kit.

Parts to consider

35mm fork seal setJapan-made fork seal set specified as 35 × 48 × 10.5/11mm. The detailed application explicitly includes the 1971 CB500K0; confirm the installed forks retain this size.View part

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

Stock-type fork gaiter pairBlack stock-type gaiters supplied as a set of two, referencing 51611-300-000. Choose by the existing fork covers and mounting arrangement, particularly after a headlight-bracket change.View part

1971-74 Honda CB500K / CB450K / CL450K5 Front Fork Tube Cap Bolt with O-Ring ~ Replaces Honda OEM 90123-323-010

Fork cap bolt with O-ringAftermarket fork tube top bolt referencing 90123-323-010, explicitly listed for the 1971 CB500K0. Includes its O-ring and is sold individually.View part

Related parts: 48mm fork circlip pair

Choose stock-type or shorter gaiters deliberately

The featured stock-type black gaiters are a set of two referencing 51611-300-000. Another catalog gaiter pair is described as about 1.75 inches shorter than the stock type. Check the existing appearance and attachment points, especially after bracket changes, rather than assuming two pairs sharing a reference have identical length.

Keep the cap and seal positions distinct

The fork cap bolt references 90123-323-010 and expressly lists CB500K0 1971, with an O-ring included. It is a top-of-tube component. The fork seals have a separate 35 × 48 × 10.5/11mm specification, while the 48mm circlip pair is another part; none should substitute for a different sealing or retaining position.

Questions before you order

What size and quantity are supplied in the fork-seal set?

The Japanese-made set contains two seals, each specified at 35 × 48 × 10.5/11mm, for both compatible fork legs. Keep that complete profile in the fit check when the motorcycle has replacement forks.

Which gaiter pair keeps the stock length?

The stock-type pair replaces 51611-300-000. A separate black pair shares that reference but is approximately 1.75 inches shorter than stock. Choose the stock-type version for original-length appearance; both packages contain two gaiters.

How many cap bolts and retaining clips cover both legs?

Each 90123-323-010 cap bolt includes one O-ring, so order two for both fork tops. The separate 48mm 94521-48000 internal-circlip set already contains two, enough for both compatible legs.

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