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1971 Honda CB500K Ignition Switch Nut Tool

The electrical service tool listed for your 1971 Honda CB500K works on the ignition-switch retaining nut. Compare the nut fitted to the motorcycle before ordering. A changed ignition switch or mounting arrangement may require a different tool from the original application.

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Honda CB750K CB550K CB500K ignition switch nut tool

1969-76 Honda CB750K / CB550K / CB500K Ignition Switch Nut Tool

$19.95 USD
35-9119
Loosen and tighten the ignition switch nut without damage using this Ignition Switch Nut Tool.Key Features• Ignition switch nut tool• Tightens and loosens without...
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1971 Honda CB500K · Electrical Tools Buying guide

Service the retaining nut without confusing it with the switch

This tool loosens and tightens the mounting nut. It is not an electrical test tool and does not replace the switch, contacts, wiring or retaining nut itself.

Parts to consider

1969-76 Honda CB750K / CB550K / CB500K Ignition Switch Nut Tool Ignition switch nut toolTool for loosening and tightening the ignition-switch retaining nut on the listed CB500K models. It services the nut; an ignition switch or replacement retaining nut is not supplied.View part

Check the mounting hardware as well as model fitment

The listing includes the CB500K ignition-switch retaining nut application. That does not establish compatibility with a replacement switch using a different nut. Compare the fitted nut and available access around the switch, so you buy a tool for the actual mounting arrangement.

Separate a loose switch from an electrical fault

This tool addresses the retaining nut during switch removal or fitting. It does not diagnose worn contacts or repair a wiring fault. If the complaint is intermittent power or a non-working ignition circuit, identify the fault and any replacement components independently of the nut-tool purchase.

Ignition Switch Retaining Nut Tool FAQs

Why use this tool rather than a punch on the ignition nut?

Its dedicated engagement is intended to loosen or tighten the retaining nut without gouging its slots, damaging the finish or striking the switch and surrounding panel. Compare the actual nut with the tool before ordering.

Will it fit an aftermarket ignition switch?

Only if that switch uses a compatible retaining nut. The listing supports the stated Honda application, not every replacement switch. Compare the fitted nut’s engagement shape before assuming an aftermarket installation uses the original tool.

Which other original Honda switch nuts are listed for the same tool?

Besides CB500K 1971–73, the application lists CB750K 1969–76 and CB550K 1974–76 ignition-switch nuts. Use those exact ranges when buying for several motorcycles, and check any replaced switch against the actual retaining nut.

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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