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1974 Honda CB450K Custom Gauge Selection Guide

Compare the drive requirement before choosing MPH or KPH markings for your 1974 CB450K custom speedometer. Both options are mechanically driven and share stated mounting dimensions with LED illumination. Check the actual drive and cable connection before using the dial style to complete the choice.

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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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1974 Honda CB450K · Tachometer & Speedometer Buying guide

Use each instrument’s stated input value without guessing equivalence

MPH specifies 2240:60; KPH specifies 60 km/h = 1400 rpm. Both list 85mm diameter, 55mm thickness and 57mm mounting-centre spacing. Custom mounting is required, with exact cable-thread and drive-tip details still needing confirmation.

Parts to consider

Custom Vintage Style Speedometer MPH 0–130 MPH gauge, stated 2240:60 requirementMechanically driven custom instrument with 85mm diameter and LED illumination. Match the actual input and cable interface before choosing its bracket.View part Custom Vintage Style Speedometer KPH 0–220 KPH gauge, stated input relationshipMechanically driven custom instrument specified at 60 km/h = 1400 rpm. Verify its drive connection and the listed dimensions for custom mounting.View part

Specify illumination separately from the mechanical drive

The LED feature concerns gauge lighting rather than an electronic road-speed sensor. Verify the mechanical drive and cable, then obtain the voltage and wiring information required for the lamp connections. Those electrical details are not stated here, and the instrument descriptions do not establish a complete connection kit supplied.

Compare more than the visible dial diameter

A proposed bracket must accommodate the stated body thickness and mounting-centre spacing, together with cable and lamp access at the rear. Use all those checks beside the 85mm diameter. Custom mounting remains required; the shared dimensions do not establish an original bracket fit or automatically confirm supporting parts included.

Buying questions

What changes in the comparison when I prefer a KPH dial?

Use the KPH product’s own 60 km/h = 1400 rpm relationship when matching the fitted drive. Then verify cable connection and mounting requirements. Do not replace that comparison with an assumed equivalent of the MPH value or a preference for the KPH scale.

What should I establish before connecting the gauge lighting?

Obtain the LED lamp voltage and wiring details needed for the motorcycle’s arrangement. The lighting feature is stated without a complete electrical specification. Keep that information separate from the mechanical speed input and confirm any additional connection parts needed for the build.

How should I assess a matching tachometer alongside either speedometer?

Compare the tachometer’s own engine-speed input, connections and mount with the equipment fitted. These speedometer values describe road-speed input instead. Matching styling and the linked product do not confirm compatible drives or establish a complete instrument-pair installation package.

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