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1985 Honda CB700SC 39 mm Fork-Seal Tool

The 1985 CB700SC fork-seal tool choice is a split 39 mm driver. Confirm the fork assembly on the motorcycle before ordering it, particularly after a front-end change. The driver supports seal installation, while replacement seals and the rest of the service materials need a separate order.

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Honda CB1100F CB1000C CB900F CB700SC 39mm fork seal driver

1981-86 Honda CB1100F / CB1000C / CB900F / CB700SC 39mm Fork Seal Driver

$39.95 USD
35-4298
Install 39mm fork seals cleanly with this 39mm Fork Seal Driver. High-quality carbon steel with split design. Use for easy installation of 39mm fork...
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1985 Honda CB700SC · 39 mm Fork-Seal Tool Buying guide

Choose the seal driver by the fork size

A correct driver starts with the fork being serviced. The split carbon-steel tool has a 39 mm application; it should not be selected from the motorcycle badge alone after a fork swap.

Parts to consider

1981-86 Honda CB1100F / CB1000C / CB900F / CB700SC 39mm Fork Seal Driver Split 39 mm fork-seal driverCarbon-steel split driver for 39 mm fork-seal installation; listed for CB700SC forks.View part

Check for front-end changes

The driver is specifically listed for CB700SC 39 mm fork work. If another fork has been installed, use that assembly’s requirements to select the tool. A shared Honda model family or a similar tube appearance does not establish the same driver size.

Prepare seals separately from tools

The split carbon-steel driver is an installation tool for the 39 mm fork application. One oil-seal set and one separate dust-seal set provide the two pairs needed when renewing both seal types on the original forks. Honda’s air-assisted fork procedure still governs disassembly and the different left/right filling requirements.

Buying questions

Why is the driver 39 mm when the oil seal also lists 51 mm?

The oil-seal size is 39 × 51 × 8/10 mm: its 39 mm inner diameter matches the fork-tube application, while 51 mm is the outer diameter. The listed driver is specified for the 39 mm CB700SC fork application; select it from that application, not from the seal’s outer diameter.

Does the driver make an air-assisted fork safe to dismantle?

No. Honda warns about retained fork air pressure and spring pressure at the cap. Follow the CB700SC manual’s preparation and disassembly procedure; a correctly sized seal driver only addresses the later seal-installation task.

Can I select it for a custom fork installation?

Only after identifying the fitted fork and its required driver size. Custom front-end work needs that application check before this 39 mm tool can be chosen.

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