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1973 Honda CB500K Horn Unit & Button Repair Parts

A horn problem on a 1973 Honda CB500K can involve the small control button or the horn unit. Check the affected components and wiring before ordering. The button package and chrome universal horn have separate contents, and the replacement horn may need mounting or wiring adaptation.

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Honda motorcycle parts

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Honda CB750 CB500 CB350 horn button

Honda CB750 / CB500 / CB350 Horn Button

$7.00 USD
12-0036
Replace a worn horn button with this Horn Button with Spring. Works as a horn button or a starter button, fitting all SOHC CB750s,...
New
Universal motorcycle horn similar to stock style 12 volt

Universal Motorcycle Horn ~ Similar to Stock Style ~ 12 Volt

$34.95 USD
99-4994
Upgrade or restore your motorcycle’s horn system with this 12 Volt Chrome Horn — designed to deliver a clear, loud 103 dB signal at 3 amps. While...
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1973 Honda CB500K · Horns & Horn Controls Buying guide

Select the control component or sound unit that needs repair

The button and spring belong inside a compatible Honda control assembly. The horn is a separate 12-volt, 3-amp universal unit with stock-like appearance. Compare its attachment and electrical connections rather than identifying it by the chrome face alone.

Parts to consider

Honda CB750 / CB500 / CB350 Horn Button Button repair component with springOne button and spring serve a compatible horn or starter-button position. The handlebar housing and wiring are excluded.View part Universal Motorcycle Horn ~ Similar to Stock Style ~ 12 Volt Universal stock-style horn unitChrome 12-volt horn rated at 3 amps. It is similar in appearance to stock rather than an exact replica, so check mounting, clearance and wiring.View part

Check the housing when selecting a button repair

A button-and-spring package supplies small components, not a complete control assembly. Inspect the existing housing and the button’s operation before selecting it. If the fitted controls have been changed, compare their layout and internal parts; the motorcycle’s model alone does not establish a match with every aftermarket switch.

Assess the universal horn beyond its stock-like appearance

The horn listing calls for bracket, terminal and clearance checks. Confirm its electrical requirements and follow the relevant equipment instructions. A similar chrome face does not establish identical mounting, and a new horn cannot repair an open wire, poor ground or damaged control elsewhere in the circuit.

Horns & Horn Controls FAQs

Which control positions can use the replacement button and spring?

The listing supports horn or starter-button use within a compatible Honda switch assembly. Compare the fitted button and housing layout before choosing it, especially after a control swap. It is an individual button repair rather than an assumed match for every aftermarket housing.

What distinguishes the universal horn from an exact replica?

The listing describes a similar stock-style appearance rather than an identical Honda unit. The bracket, terminal arrangement and body clearance require comparison with the motorcycle. Wiring or mounting adaptation may be needed despite the familiar-looking chrome finish.

Which electrical ratings should I compare for the chrome horn?

The horn is rated at 12 volts and approximately 3 amps, with a stated 103 dB output. Compare those electrical requirements and the terminal arrangement with your intended installation, alongside the separate mounting and body-clearance checks.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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