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1980 Honda CB750C Fork Oil & Dust Seals

Fork sealing work on a 1980 CB750C starts with the assembly actually fitted. Compare the oil-retaining seals and outer dust seals separately before ordering. A changed front end may use different parts, and worn fork surfaces need inspection before new seals are installed.

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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 CB650 SL350K2 fork dust seal set

Honda CB750 / CB650 / SL350K2 Fork Dust Seal Set

$24.95 USD
27-1049
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 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...
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
99-5318
This genuine Honda front fork oil lock piece fits inside the front fork assembly on the Honda CB models listed below. It works with...
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1980 Honda CB750C · Fork Oil & Dust Seals Buying guide

Match the oil seals and outer dust seals

The oil-seal set measures 35 × 48 × 10.5/11mm. The dust-seal package contains two pieces and is a separate purchase; compare both with the forks fitted to the motorcycle.

Parts to consider

Honda CB750 / CB650 / CB550 / CB500 Fork Seals Fork oil sealsFork seal set with listed dimensions 35 × 48 × 10.5/11mm, made in Japan.View part Honda CB750 / CB650 / SL350K2 Fork Dust Seal Set Fork dust-seal pairTwo fork dust seals for the listed 1980–82 CB750C application.View part

Oil seals and dust seals differ

The fork oil-seal set is specified at 35 × 48 × 10.5/11mm. The outer dust seals are supplied in a separate two-piece package. Match the seal being renewed and compare both packages before deciding whether the repair needs one or both.

Inspect the parts you will retain

A new seal does not repair a damaged sliding surface or establish that every retained fork component is serviceable. Check the fork tubes and related parts, then use the correct service manual to plan the rebuild and required consumables.

Fork seal questions

Does the dust-seal pack include oil seals?

It is a separate two-piece dust-seal package. The fork oil-seal set is another product with its own listed dimensions.

Is the fork-oil quantity the same after draining and after a rebuild?

Honda's 1980 CB750C specification distinguishes the quantity at draining from the full fork-oil capacity. Choose the applicable service procedure when planning a seal replacement or fork rebuild; do not treat those two quantities as interchangeable.

Can I use these after a fork swap?

Identify and measure the fitted forks first. The original-model application does not establish seal or washer compatibility with a replacement front end.

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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