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1979 Honda CB650 Fork Seals & Dust Boots

Fork oil seals, external dust seals and their retaining rings are separate parts for the 1979 CB650. Inspect the fork assembly and compare dimensions before ordering. A front-end swap can change the required seals even when the frame and model year remain original.

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Most orders ship same or next business day Fitment guarantee Listed for your exact model and year? We’ll make it right if it doesn’t fit as described. Mechanic-backed support Ask our team for help choosing the right Honda CB part.
Currently viewing Fork Tubes, Springs, Seals & Boots

Honda motorcycle parts

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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 CB550 CB500 fork seal stopper metal rings (pk 2) 51447-KL4-951

Honda CB750 / CB650 / CB550 / CB500 Fork Seal Stopper Metal Rings (Pk/2) ~ Replaces 51447-KL4-951

$7.95 USD
73-0940
Replace your fork seal stopper metal rings with this Fork Seal Stopper Metal Ring Pk/2, replacing OEM #51447-KL4-951. This is the metal ring above...
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 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...
New
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...
New
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
99-4975
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 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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1979 Honda CB650 · Fork Seals & Dust Boots Buying guide

Compare the seal specification and each separate package

The oil seals, dust seals and metal stopper rings are three separate products. Their package counts are clear, but their application ranges are not identical; identify each required part rather than treating the selection as one universal fork kit.

Parts to consider

Honda CB750 / CB650 / CB550 / CB500 Fork Seals Fork oil-seal setTwo Japanese-made fork seals; the listing specifies 35 × 48 × 10.5/11 mm.View part Honda CB750 / CB650 / SL350K2 Fork Dust Seal Set Fork dust-seal pairTwo Japanese-made dust seals for the listed CB650 forks.View part Honda CB750 / CB650 / CB550 / CB500 Fork Seal Stopper Metal Rings (Pk/2) ~ Replaces 51447-KL4-951 Fork seal stopper pairTwo metal stopper rings; replacement reference 51447-KL4-951.View part

Order from the three stated inventories

Oil-seal set 27-1007 supplies two seals with the stated 35 × 48 × 10.5/11 mm size. Dust-seal set 27-1049 supplies two dust seals. Both are described as made in Japan; neither package description lists the separate stopper-ring set.

Keep the metal-ring identity on the parts list

Stopper-ring pack 73-0940 supplies two metal rings and references 51447-KL4-951. Compare that reference with the required fork parts before adding the rings; the seal dimensions do not establish the ring’s application.

Buying questions

Does 10.5/11 mm mean the oil-seal set supplies two different size options?

The record states two seals and gives the combined notation 35 × 48 × 10.5/11 mm, but does not explain the slash or describe alternative sizes in the pack. Obtain a dimensioned specification before treating either figure as a selectable option for a different fork.

Does the stopper-ring pack cover every CB650 year listed for the seals?

The detailed standard-CB650 lists differ: both seal products list 1979–82, while the stopper rings list 1979–80. Match each product independently; shared seal coverage does not extend the ring listing to another year or identify the parts in a swapped fork.

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