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1968 Honda CB450K Custom Speedometer Guide

A custom gauge changes more than the dial appearance on a 1968 CB450K. The MPH and KPH choices here require a compatible mechanical drive and custom mounting. Compare the connections and space available before selecting the instrument for your build.

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Honda CB custom vintage style mph speedometer front view

Custom Vintage Style Speedometer MPH

$99.95 USD
03-0760
Custom Vintage Style Speedo (MPH) - Mechanical speedometer ratio: 2240:60. Before ordering, confirm the drive ratio, cable or electrical connection, gauge diameter, and mounting...
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Honda CB custom vintage style kph speedometer front view

Custom Vintage Style Speedometer KPH

$99.95 USD
03-0761
Custom Vintage Style Speedo (KPH) - Mechanical speedometer 60 km/h = 1400 rpm Before ordering, confirm the drive ratio, cable or electrical connection, gauge...
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1968 Honda CB450K · Tach & Speedo Buying guide

Check the complete installation before choosing the face

Both speedometers have an 85mm diameter, LED illumination and mounting points 57mm apart. Their drive specifications are stated separately. Neither listing confirms a complete original-style instrument replacement or a supplied CB450K mounting kit.

Parts to consider

Custom Vintage Style Speedometer MPH MPH custom mechanical speedometer0–130 MPH instrument with a listed 2240:60 ratio. Check drive compatibility and cable fit; its 85mm body requires custom mounting.View part Custom Vintage Style Speedometer KPH KPH custom mechanical speedometer0–220 KPH instrument specified at 60 km/h = 1400 rpm. Compare its drive and cable requirements before planning the custom bracket and lighting connection.View part

Match the drive as carefully as the mount

A suitable bracket answers the mounting question, but it does not establish the drive ratio or cable compatibility. Compare those requirements with the motorcycle’s fitted speedometer drive before committing to either unit. Use the product’s stated mechanical specification rather than its face style as the deciding check.

Keep the lighting check separate

LED illumination belongs to the gauge lighting, while the speed input is mechanical. Verify the lamp wiring requirements for your installation without assuming an electronic speed sensor is supplied or needed. The product descriptions do not give a complete lighting-voltage or connector specification.

Buying questions

Will a new bracket make either gauge compatible with my drive?

A bracket can address physical mounting, but the selected instrument still needs the correct mechanical drive and cable attachment. Confirm both before buying. The descriptions state custom mounting rather than a verified direct stock replacement.

Is the linked matching tachometer covered by the speedometer specifications?

The matching style does not establish its tachometer drive compatibility. Confirm its separate drive ratio, cable connection and mounting requirements for the engine fitted. The items selected here are road-speed instruments, not tachometers.

What should I confirm before connecting the illumination?

Verify the gauge lamp requirements and your motorcycle’s wiring arrangement. The listings identify LED illumination but do not give every voltage or connector detail. Resolve those details before treating the lamp leads as a direct connection.

Not sure which part you need?

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

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