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1983 Honda CB1000C Fork Seals & Dust Seals

Fork service on the 1983 Honda CB1000C calls for two sealing parts: oil seals that keep the damping oil inside the sliders, and a pair of dust wipers that sit above them. Both are produced in Japan and shared with other 39mm big-bore DOHC models.

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Currently viewing Fork Tubes, Springs, Seals & Boots

Honda motorcycle parts

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Honda CB1100F CB1000C CB900F CB650SC fork seal set

1981-85 Honda CB1100F / CB1000C / CB900F / CB650SC Fork Seal Set

$23.05 USD
27-1029
Replace your big-bore DOHC fork seals with this Fork Seal Set, 39 x 52 x 11mm. Made in Japan by OEM supplier.Key Features• Fork...
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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
99-4979
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...
Honda CB1100F CB1000C CB900F CB650SC fork dust seal set

1981-85 Honda CB1100F / CB1000C / CB900F / CB650SC Fork Dust Seal Set

$26.23 USD
27-1048
Replace your big-bore DOHC fork dust seals with this Fork Dust Seal Set of 2. OEM-quality parts made in Japan.Key Features• Fork dust seal...
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
99-5383
This genuine Honda 16mm lock nut is used on compatible Honda CB clutch basket and oil filter rotor assemblies. It is a small hardware...
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Honda CB1000C CB900C rear shock fork gaitor

1980-83 Honda CB1000C / CB900C Rear Shock Fork Gaitor ~ Genuine Honda OEM

$34.95 USD
99-5459
Upgrade or restore your classic Honda motorcycle with this Rear Shock Fork Gaitor — genuine Honda OEM quality made to the factory specifications. This...
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1983 Honda CB1000C · Fork Seals Buying guide

Treat the leak and its cause

The oil seal retains fork oil, while the dust seal helps keep contamination away from it. If the fork leaks, inspect the tube and surrounding parts before fitting new seals; damaged running surfaces can compromise a replacement seal.

Fork parts to consider

1981-85 Honda CB1100F / CB1000C / CB900F / CB650SC Fork Seal Set Fork oil seal setSized 39 x 52 x 11mm and produced in Japan for the big-bore DOHC fork.View part 1981-85 Honda CB1100F / CB1000C / CB900F / CB650SC Fork Dust Seal Set Fork dust seal setA pair of OEM-quality wipers, also produced in Japan.View part

Check the assembled fork before ordering

Oil-seal set 27-1029 is specified at 39 × 52 × 11mm and names the 1983 CB1000C. Dust-seal set 27-1048 is a separate listing. If the front end has been changed, identify the fitted fork rather than selecting both parts from the frame model alone.

Plan the full fork service

A seal driver is an installation tool, not a substitute for the fork-disassembly procedure. The original CB1000C front end is air-assisted and includes an anti-dive arrangement. Use its own service instructions for depressurizing, dismantling and refilling rather than copying another Honda’s quantities or sequence.

Fork questions

Will new dust seals stop oil running down the fork leg?

Dust seals exclude contamination; the oil seal is the oil-retaining component. Inspect the source of leakage and the tube’s condition before choosing parts. Replacing only the outer wiper does not establish that the oil leak has been repaired.

What if the front forks have been replaced with another assembly?

Identify that fork and compare its specified oil seals, dust seals and driver size. The listed CB1000C applications describe the original model arrangement, not every front end that can be installed in its frame.

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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