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1975 Honda CB550F Fork Service Tools

Prepare for fork service on your 1975 Honda CB550F with tools matched to the job. The split seal driver is sized for 35 or 36 mm forks, while the cap wrench fits a 24 mm cap hex; those measurements describe different tool interfaces.

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Honda CB750 CB650 CB550 CB500 35 36mm fork seal driver

Honda CB750 / CB650 / CB550 / CB500 35/36mm Fork Seal Driver

$49.95 USD
35-4299
Install 35mm or 36mm fork seals cleanly with this 35/36mm Fork Seal Driver. High-quality carbon steel with split design. Use for easy installation of...
Honda CB750 CB550 fork cap wrench 24mm

Honda CB750 / CB550 Fork Cap Wrench ~ 24mm

$7.00 USD
35-9116
Remove 24mm fork caps without damage with this 24mm Non-Marring Fork Cap Wrench. Fits all motorcycles with 24mm fork caps. Lets you remove fork...
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1975 Honda CB550F · Fork service tools Buying guide

Match the seal driver and cap wrench to different measurements

A fork seal driver is chosen for the fork tube size; a cap wrench is chosen for the cap hex. Check both on the installed assembly, particularly after a fork or cap conversion.

Parts to consider

Honda CB750 / CB650 / CB550 / CB500 35/36mm Fork Seal Driver 35/36 mm split fork seal driverCarbon-steel split driver for 35 or 36 mm forks. The application includes CB550F 35 mm forks.View part Honda CB750 / CB550 Fork Cap Wrench ~ 24mm 24 mm non-marring fork cap wrenchTool for a 24 mm fork cap hex. Listed for stock-type CB550F caps; check changed caps before ordering.View part

Choose the driver by fork size

The split driver is intended for 35 or 36 mm fork seal installation and lists the CB550F’s 35 mm fork application. Match it to the fork assembly you are servicing. If an earlier owner fitted different forks, identify their tube size rather than ordering from the motorcycle’s original model label alone.

Choose the wrench by the cap hex

The featured wrench is a separate non-marring tool for a 24 mm cap hex. This is not the fork tube diameter or cap thread size. Measure the installed cap before ordering, especially with custom caps, and use the correct service instructions when removing a cap under spring load.

Fork Service Tools FAQs

Why are the seal driver and cap wrench different sizes?

They fit different parts of the fork. The driver’s 35/36 mm range refers to fork tube size; the wrench’s 24 mm size refers to the cap hex. Measure the correct interface for each tool rather than treating the numbers as interchangeable.

Will the 24 mm wrench fit custom fork caps?

Only if the installed caps have a compatible 24 mm hex. The wrench is listed for stock-type CB550F caps, but an aftermarket cap may use another tool size. Measure the actual cap before selecting your wrench.

Can the split seal driver be used on inverted forks?

The split driver is described for 35 or 36 mm conventional or inverted forks. Confirm the replacement fork’s actual diameter and tool engagement before choosing it for a conversion; the motorcycle’s original model name does not establish that fit.

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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