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1984 Honda CB450SC Nighthawk Speedometer Housing & Mounting

A speedometer that appears small enough still needs a complete mounting check on your 1984 Nighthawk. These MPH and KPH choices provide housing dimensions and mounting centers. Request the remaining fitting details before deciding which bracket and accompanying electrical parts to order.

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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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1984 Honda CB450SC Nighthawk · Speedometers Buying guide

Check the space needed by the complete installation

The listed dimensions are approximately 85mm diameter and 55mm depth, with 57mm mounting-center spacing. Both gauges require custom mounting and list LED illumination. Their supplied fitting contents and detailed electrical specifications are not enumerated, so plan the bracket and wiring with confirmed information.

Parts to consider

Custom Vintage Style Speedometer MPH Custom MPH housingAn approximately 85mm-diameter, 55mm-deep mechanical gauge with 57mm mounting centers. It reads 0–130 mph at the specified 2240:60 calibration and lists LED illumination.View part Custom Vintage Style Speedometer KPH Custom KPH housingA similarly sized mechanical gauge with 57mm mounting centers and LED illumination. Its 0–220 km/h scale is calibrated to read 60 km/h at 1,400 cable rpm; drive suitability remains part of the order.View part

Allow for the fittings around the housing

Housing dimensions and mounting centers help assess the instrument, but the complete clearance with a bracket and connected cable is not specified. Request the mounting dimensions needed for the available space before choosing a bracket or assuming that the original mounting arrangement will work.

Determine which cockpit functions the new installation needs

LED illumination describes the gauge lighting. The listings do not identify built-in warning-lamp functions or a complete supplied bracket package. Confirm those details for the chosen gauge and list the accompanying parts needed to retain the functions planned for the motorcycle.

Custom speedometer ordering questions

Which extra measurements should I request for clearance behind the gauge?

The listings give approximate 85mm diameter, 55mm depth and 57mm mounting centers, but not complete installed clearance with the cable and mounting hardware attached. Request those fitting measurements for your intended bracket and available space before ordering.

What should I confirm before ordering a bracket with the instrument?

Ask which mounting fittings are supplied with the gauge. Custom mounting is required, but no itemized bracket package is given. Compare the confirmed contents with 57mm mounting centers and the proposed installation before buying additional mounting hardware.

Should warning-lamp parts be included in the custom instrument plan?

Only LED illumination is described for these instruments; built-in warning-lamp functions are not identified. Confirm what the chosen gauge provides and which warning functions the motorcycle’s planned cockpit must retain before ordering accompanying electrical parts.

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

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