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1973 Honda CB450K Left Handlebar Control & Wiring

Compare the left control and wiring presently fitted to your 1973 CB450K with the black replacement assembly. Its description specifies wires outside the handlebar and a Honda reference. Check that route and the retained terminations before choosing it for original or changed controls.

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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...
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1973 Honda CB450K · Handlebar Switches Buying guide

Plan the stated wire route with the retained control layout

The black left clutch-side assembly references 35250-300-033 and specifies wiring outside the handlebar. Its linked instructions address the product without identifying a CB450K year-specific wiring map. The retained bar, control attachment and electrical connections still need their own comparison.

Parts to consider

Honda CB Bar Switch Assembly ~ Left (Clutch) Side ~ Replaces 35250-300-033 Black left control with externally routed wiresLeft clutch-side bar-switch assembly referencing 35250-300-033. The description expressly routes the wires outside the handlebar. Compare the fitted control, bar attachment and terminations; complete clamp dimensions and a CB450K-specific wiring map are not supplied.View part

Check the attachment separately from the electrical connection

The side and Honda reference identify the intended assembly, while the wire-route statement identifies an installation requirement. Compare the bar and remaining controls directly. If the bar or control mount has been changed, confirm the required clamp and clearance measurements before relying on the motorcycle application.

Keep the instruction guide within its documented scope

The linked guide describes this left-side assembly without naming a CB450K model year. Use it alongside identification of the wiring actually fitted. Establish the correct connections for that motorcycle and any prior alterations before applying product-level wire descriptions to the retained loom.

Left-control routing and attachment questions

How should I assess this assembly if the old wires ran inside the bar?

The replacement description specifies external wiring. Examine the space and route needed outside the bar, together with the retained terminations and controls. Confirm that arrangement suits the repair before selecting it; the listing does not promise internal wire routing.

What should I check after fitting different handlebars?

Compare the control attachment, surrounding clearance and external wire path on the bars now fitted. The listing gives reference 35250-300-033 without full clamp dimensions. Confirm the missing mounting measurements and required wire reach where those bars change the installation.

Does the linked instruction sheet identify every CB450K loom connection?

It is a product guide without a named CB450K year-specific loom diagram. Identify the retained harness and any changed terminations separately. Confirm the actual connection mapping instead of treating that generic sheet as documentation for every wire on this motorcycle.

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