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1978 Honda CB550K Fork Seal Driver and Cap Wrench

Choose the fork tool from the fitting and task rather than the year alone. The split seal driver is listed for 35/36 mm applications, while the cap wrench uses a 24 mm working size. A changed fork cap needs its own hex comparison before selection.

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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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1978 Honda CB550K · Fork & Suspension Tools Buying guide

Measure the cap hex separately from the fork application

The driver and wrench use different measurements because they address different fork fittings. Check the cap actually fitted and the planned seal task independently; neither tool supplies the replacement fork parts for the repair.

Parts to consider

Honda CB750 / CB550 Fork Cap Wrench ~ 24mm Wrench for 24 mm stock fork capsCap wrench listed for the stock 24 mm CB550 application. Check the fitted hex rather than deriving tool size from the fork tube diameter.View part Honda CB750 / CB650 / CB550 / CB500 35/36mm Fork Seal Driver Split 35/36 mm fork-seal driverSplit-design driver for the stated 35 mm or 36 mm fork applications. Compare the fitted fork and intended seal work before selecting it.View part

Use the fitting’s working dimension

The cap wrench specification is 24 mm, while the driver’s application is 35/36 mm. Do not substitute the tube diameter for the cap hex measurement. Compare the actual cap before ordering, particularly when a previous owner has installed custom fork-top fittings.

Keep repair parts out of the tool contents

The driver and wrench are tools for their named tasks, not packaged fork repairs. Work out whether the job needs one or both, then compare the oil seals, dust boots, stopper rings or caps separately. The tool descriptions do not establish included replacement fork components.

Common questions

Why are the driver and cap wrench different sizes?

Their specifications concern different fittings. The driver is listed for 35/36 mm fork applications, while the wrench addresses a 24 mm cap fitting. Compare the fork application and cap hex as separate buying checks.

Will the wrench suit every aftermarket cap?

Check the aftermarket cap’s working hex first. The listed stock-cap application does not establish the hex on a changed cap, so choose the wrench only after comparing the actual fitting to its 24 mm specification.

Are seals included when I buy the driver?

The product is a split seal driver. Replacement oil seals and any needed boots or retaining rings have separate listings, so select those parts according to the fitted fork and the planned repair.

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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