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1977 Honda CB750F Horns, Horn Button & Sub Harness

The 1977 Honda CB750F has three horn listings. A Joker Machine black horn with machined bracket, a horn button with spring and the horn sub harness made for the 1977-78 Supersport cover the parts most likely to fail.

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Most orders ship same or next business day Fitment guarantee Listed for your exact model and year? We’ll make it right if it doesn’t fit as described. Mechanic-backed support Ask our team for help choosing the right Honda CB part.
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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,...
Honda CB750F horn sub harness 38105-410-671

1977-78 Honda CB750F Horn Sub Harness ~ Replaces 38105-410-671

$10.49 USD
73-0112
Replace your CB750F horn sub harness with this Horn Sub Harness, the harness that attaches to the horns. Replaces OEM #38105-410-671.Key Features• Horn sub...
Honda CB750 black horn with bracket joker machine

Honda CB750 Black Horn with Bracket ~ Joker Machine

$59.95 USD
73-1065
Add a billet horn with this Joker Machine Brand Small Custom Black Horn with CNC-machined bracket and 2 gold mounting screws. This horn relocates...
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1977 Honda CB750F · Horns Buying guide

Choosing horn parts

Choose the sounder, replacement button and subharness for the parts actually fitted. The horn subharness has a specific replacement reference and application.

Horn parts to consider

1977-78 Honda CB750F Horn Sub Harness ~ Replaces 38105-410-671 Horn sub harnessReplaces OEM 38105-410-671; listed only for the 1977-78 F.View part Honda CB750 / CB500 / CB350 Horn Button Horn buttonReplacement button 12-0036 supplied with its spring.View part Honda CB750 Black Horn with Bracket ~ Joker Machine Joker Machine hornSmall black horn with CNC bracket and two gold mounting screws.View part

Horn package and connections

Joker Machine horn 73-1065 is made in the USA. Wiring terminals and connectors are not included.

Matching the horn wiring

Horn subharness 73-0112 replaces 38105-410-671 and specifically lists the 1977–78 CB750F. Compare it with the wiring fitted; its description does not state a no-alterations guarantee.

Horn questions

What mounting change comes with the Joker Machine horn?

The supplier describes horn 73-1065 as relocating to the frame centre line. Confirm that this mounting arrangement suits the fitted motorcycle before ordering.

Can button 12-0036 replace the starter button as well as the horn button?

The supplier lists button 12-0036 and its spring for horn or starter use in compatible Honda switch assemblies, with the 1975–78 CB750F included in its applications. Match the fitted switch assembly before ordering.

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