1981 Honda CB750K Fork Seals, Dust Seals & Springs

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Consultation en cours Tubes, ressorts, joints et soufflets de fourche

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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 Progressive Type Front Fork Springs

$89.95 USD

Upgrade your CB750 front suspension with this Progressive Type Front Fork Spring Set of 2, including required spacers and washers. Progressive springs improve handling...

Honda CB750 / CB650 / SL350K2 Fork Dust Seal Set

$24.95 USD

Replace your DOHC CB750 or CB650 fork dust seals with this Fork Dust Seal Set of 2. OEM-quality parts made in Japan.Key Features• Fork...

Honda CB750 / CB650 / CB550 Front Fork Damper Valve Set

$79.95 USD

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...

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Universal motorcycle headlight reflector rubber base 33743-425-600

Universal Motorcycle Headlight Reflector Rubber Base ~ Replaces 33743-425-600

$16.95 USD

Upgrade or restore your Honda motorcycle’s headlight assembly with this Headlight Reflector Rubber Base — precision‑designed to replace OEM #33743‑425‑600. This rubber base provides...

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Honda CB750 CB650 headlight stay headlight reflector bolt 90120-425-000

1979-83 Honda CB750 / CB650 Headlight Stay / Headlight Reflector Bolt ~ Replaces 90120-425-000

$8.95 USD

Replacement headlight stay bolt for restoring your CB750's headlight assembly back to proper condition. This is the bolt that fastens through the headlight ears,...

Honda CB1100 CB1000 CB900 CB750 16mm clutch oil filter rotor lock nut 90231-KCS-651

Honda CB 16mm Clutch / Oil Filter Rotor Lock Nut ~ Genuine Honda 90231-KCS-651 ~ Replaces 90231-KCS-651

$10.95 USD

This genuine Honda 16mm lock nut is used on compatible Honda CB clutch basket and oil filter rotor assemblies. It is a small hardware...

Honda CB900 CB750 CB650 CB550 front fork oil lock piece 51432-371-003

Honda CB900 / CB750 / CB650 / CB550 Front Fork Oil Lock Piece ~ Genuine Honda 51432-371-003

$29.95 USD

This genuine Honda front fork oil lock piece fits inside the front fork assembly on the Honda CB models listed below. It works with...

Comparer

1981 Honda CB750K · Fork Tubes, Springs, Seals & Boots Buying guide

Choose the sealing parts and spring package separately

The spring set lists its own spacers and washers. Fork seals, dust seals and the oil-lock piece are independent listings, so compare their references and contents with the fitted forks.

Parts to consider

Fork seal setThe listed seal dimensions are 35 × 48 × 10.5 / 11mm; the 1981 CB750K is included in its application.Voir la pièce

DOHC fork dust seal pairTwo dust seals described for the listed DOHC CB750 fork applications. Check the fitted fork assembly.Voir la pièce

Progressive-type spring pairTwo front fork springs, with spacers and washers described as included. Review the full package before selecting service parts.Voir la pièce

Pièces connexes : Honda internal fork oil-lock piece

A spring set does not identify all sealing requirements

The spring listing specifies a pair of springs with spacers and washers. It does not list the separate seal and dust-seal products as package contents. Inspect those components on the fitted forks and choose any replacements from their own descriptions rather than assuming they are supplied with the springs.

Read the scope of any internal fork work

The related genuine Honda oil-lock piece is sold individually under reference 51432-371-003. Its application explicitly includes the 1981 CB750K. Match the fitted fork diagram and the removed internal piece before ordering; its description does not make it a universal fork component.

Common questions

What should be inspected before ordering only new fork seals?

Honda calls for checking the tubes, sliders, bushings and pistons for scoring, scratches and abnormal wear. Have those surfaces assessed during service; a seal-only order does not address worn or damaged hard parts.

How does Honda assess whether the original fork springs are worn?

The manual checks the removed spring’s free length against a service limit specific to the K/C fork. That is a check for the original spring, not a specification to impose on an aftermarket progressive spring and spacer package. Identify the fitted springs before comparing measurements.

Can a workshop air compressor be used on the original air-assisted forks?

Honda specifies a hand-operated pump and warns against compressed air because excessive pressure can damage fork components. Follow the applicable fork instructions and pressure limits; do not connect the original forks to a workshop air line.

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