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1972 Honda CB500K Left & Right Handlebar Controls

Before replacing handlebar controls on your 1972 Honda CB500K, inspect how their wires leave the fitted bars. The listed left assembly uses an outside route and the right assembly an inside route. Choose the required side and compare its connections with the existing loom.

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Currently viewing Handlebar Switches

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Honda CB750 CB500 bar switch assembly left (clutch) side 35250-300-033

Honda CB Bar Switch Assembly ~ Left (Clutch) Side ~ Replaces 35250-300-033

$79.95 USD
12-0306
Fit left-side handlebar controls on your early SOHC CB with this Bar Switch Assembly for the Clutch Side in black, replacing OEM #35250-300-033. Wiring...
Honda CB750K CB500K bar switch assembly right (brake) side 35300-323-671

1971-73 Honda CB750K / CB500K Bar Switch Assembly ~ Right (Brake) Side ~ Replaces 35300-323-671

$84.95 USD
12-0304
Fit the right-side handlebar controls on your early-'70s SOHC CB with this Bar Switch Assembly for the Brake Side in black, replacing OEM #35300-323-671....
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1972 Honda CB500K · Handlebar Switches Buying guide

Use side, wire path and reference to identify the control

Both listed controls are black replacement assemblies, but they use different Honda references and wiring arrangements. The clutch-side housing and brake-side housing are separate purchases. Changed bars or mixed electrical parts need their own connection and routing comparison.

Parts to consider

Honda CB Bar Switch Assembly ~ Left (Clutch) Side ~ Replaces 35250-300-033 Externally wired left controlThe clutch-side black assembly references Honda 35250-300-033. Its intended wiring path is outside the bar, so compare that route with the current installation.View part 1971-73 Honda CB750K / CB500K Bar Switch Assembly ~ Right (Brake) Side ~ Replaces 35300-323-671 Internally wired right controlThe brake-side black assembly references Honda 35300-323-671. It is designed for wiring through the handlebar; inspect the fitted bar’s wire path.View part

Check the fitted bars before planning a control swap

Vintage bikes can have replacement bars with a different wire path from their original controls. The left and right products here specify different routes. Compare the available openings and external clearance with the instructions for the exact assembly before making changes to the control installation.

Keep the two sides as separate order decisions

The control assemblies have separate listings and reference numbers. Choose the damaged side rather than assuming either listing includes both. Where the loom or switches have been changed, compare each circuit function and connector with the motorcycle’s actual wiring before treating an original-style control as a straightforward swap.

Handlebar Switches FAQs

Do both switch assemblies use the same wiring route?

No. The left clutch-side listing specifies wiring outside the handlebar; the right brake-side listing specifies wiring inside it. Compare the actual bar and existing controls, especially when aftermarket handlebars or switch assemblies have been installed.

Which Honda reference identifies the right control?

The brake-side assembly cross-references Honda 35300-323-671 and is listed for the 1971–73 CB500K. Compare that reference, its connections and intended internal wiring path with the control being replaced on your 1972 CB500K.

What should I match when replacing the clutch-side control on changed bars?

The left assembly references Honda 35250-300-033 and is designed for external wiring. Compare that reference, the existing control connections and the outside wire path with your fitted bars. The right control’s internal routing is a different installation arrangement.

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