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1971 Honda CB500K Horns & Horn Buttons

A horn fault on a 1971 Honda CB500K can start at the handlebar button or the horn itself. This selection offers a button with spring and a 12-volt stock-style universal horn. Identify the failed component and check mounting and connections before ordering.

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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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1971 Honda CB500K · Horns Buying guide

Choose between the control button and the horn

The button renews a small component inside a compatible control assembly. The chrome universal horn is the sound-producing unit and has its own mounting and electrical requirements. A similar stock appearance does not mean every installation is unchanged.

Parts to consider

Honda CB750 / CB500 / CB350 Horn Button Horn button with springOne replacement button and spring for a compatible Honda control. It can serve as a horn or starter button; the switch housing and wiring are separate.View part Universal Motorcycle Horn ~ Similar to Stock Style ~ 12 Volt 12-volt stock-style universal hornA chrome horn rated at 3 amps, with a similar stock appearance. It is not an exact OEM replica; mounting or wiring adaptation may be required.View part

Check the small control before replacing the horn

A worn button is a different repair from a failed horn. The button listing includes the spring but not the switch housing or wiring. Compare the small parts inside the fitted control, especially if the motorcycle has aftermarket switches, and confirm the rest of the horn circuit is serviceable.

Treat the universal horn as its own installation

The horn is listed for the CB500K but described as universal and similar to stock, not identical. Compare its bracket, terminal arrangement, clearance and electrical requirements with the installed equipment. Do not assume the chrome appearance proves that the original mounting and wiring can be reused unchanged.

Questions about horns

Can the same replacement button serve the horn or starter position?

The button and spring can serve either position in a compatible Honda switch assembly. Match the fitted control layout and existing button first, especially with changed controls. This is a small-component repair for that housing, not a universal button application.

Is the chrome horn an exact original Honda replica?

No. The listing describes a universal 12-volt horn with a similar stock appearance. Compare the bracket, terminals and body clearance; mounting or wiring adaptation may be required even though the model appears in the application list.

What voltage and current rating should I compare before choosing the horn?

The universal horn is specified at 12 volts and approximately 3 amps, with a stated 103 dB output. Compare its electrical requirements, mounting bracket and terminal arrangement with the intended installation before buying it for the motorcycle.

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