1975 Honda CB750F Fork Seals, Springs & 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 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 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

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 CB550 CB500 CB450 CB400 reflector 33741-340-670

Honda CB Stock Type Reflector ~ Replaces 33741-340-670

$21.46 USD

Restore your mid-'70s Honda's stock reflectors with this Stock-Type Screw-On Reflector with a 6mm thread, replacing OEM #33741-340-670. Broad fitment covering the 1972-78 CB750...

1975-78 Honda CB750 / CB550 Fork Dust Boot Set

$24.95 USD

Replace your 35mm fork dust boots with this Fork Seal Dust Boot Set of 2 for 35mm fork tubes.Key Features• Fork dust boot set,...

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Honda CB750 CB550 CB500 CB400 headlight stay headlight reflector bolt 90120-377-000

Honda CB750 / CB550 / CB500 / CB400 Headlight Stay / Headlight Reflector Bolt ~ Replaces 90120-377-000

$8.95 USD

Upgrade or restore your classic Honda motorcycle headlight system with this Headlight Stay / Headlight Reflector Bolt — designed to secure the headlight reflector...

Honda CB750 CB550 CB500 CB450 35mm front fork tube bolt with o-ring 90123-300-000

Honda CB750 / CB550 / CB500 / CB450 35mm Front Fork Tube Bolt with O-Ring ~ Replaces Honda OEM 90123-300-000

$17.95 USD

This aftermarket 35mm front fork tube bolt is used as the top cap/bolt on compatible Honda CB 35mm fork tubes. It replaces Honda OEM...

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...

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...

Universal Motorcycle Fork Cap Wrench ~ 35mm

$7.00 USD

Fork Cap Wrench ~ 35MM Size for custom or restoration work on classic Honda CB motorcycles. Key Features Aftermarket part Sold as: Each Fitment...

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1975 Honda CB750F · Fork seals & springs Buying guide

Seals, springs and damping

The spring set includes two springs, spacers and washers; the dust boots and stopper rings are also supplied in pairs. The fork cap is sold individually with its O-ring. Choose quantities for the parts being renewed rather than ordering two of every package.

Fork parts to consider

Progressive fork springsPair of progressive springs with spacers and washers, listing the 1975-78 F.View part

1975-78 Honda CB750 / CB550 Fork Dust Boot Set

Fork dust boot setPair of boots for 35mm fork tubes, listing the 1975-76 CB750F.View part

Front fork damper valve setPair of tunable valves for the listed 35mm forks; damper-rod modification is required.View part

Damper valves explained

The valve set is listed for 35mm forks, above the damper rods and below the springs. Its description requires damper-rod drilling and recommends a mechanic. Some models may need a 1-inch tube spacer; the source does not identify the 1975 F as one of them.

Fork caps and O-rings

The replacement cap is specified for 35mm fork tubes with an M28 × 1.5 thread, replaces 90123-300-000 and includes an O-ring. It is sold individually. The fork-tube diameter and cap thread are separate measurements; confirm the fitted cap’s wrenching surface before choosing a tool.

Fork questions

What size are the fork seals?

The Japanese-made seal set is listed as 35 × 48 × 10.5 / 11mm and includes the 1975 CB750F in its application. The slash dimension is not presented as a choice between two selectable sizes.

Do the progressive springs include spacers?

Yes. The offered pair includes spacers and washers and lists the 1975–78 CB750F. The description does not give spring-rate or preload-setting specifications.

Does the damper-valve set require fork modification?

Yes. The supplier states that damper-rod drilling is required and recommends mechanic installation. Discuss the fitted forks and any spacer requirement with the installer before ordering; no drilling dimensions or procedure are supplied here.

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