Honda motorcycle parts
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1985 Honda CB700SC · Speedometer & Cable Parts Buying guide
An erratic reading does not automatically require a new gauge. Check the speedometer drive and cable first; custom instruments add ratio, mounting and warning-function decisions to the repair.
CB700SC speedometer cableBlack replacement cable with explicit CB700SC application; references include 44830-MJ1-000.View part
Custom vintage KPH speedometerMechanical speedometer marked 60 km/h = 1400 rpm, with 85 mm diameter and custom mounting requirements.View part
Custom vintage MPH speedometerMechanical 2240:60 speedometer, 85 mm diameter and 55 mm body thickness; custom mounting required.View part
The 1985 CB700SC speedometer is cable-driven, but the tachometer receives an ignition signal. Honda’s troubleshooting directs attention to the cylinders 2–3 ignition circuit and its yellow-wire connection before condemning the tachometer. The listed speedometer cable does not repair that separate electrical signal path.
The vintage-style speedometers have 85 mm bodies, a stated 55 mm thickness and 57 mm mounting centers. Check those dimensions, rear clearance and the drive connection before buying. Plan warning and indicator functions rather than assuming a custom speed display reproduces the complete original cluster.
No. The CB700SC tachometer uses an ignition-system signal, while cable 51-2315 serves the speedometer. Diagnose the instrument that has failed before ordering; a matching mechanical tachometer shown in a broad Honda category is not an electrical replacement.
Direct fit is not established. Compare the body diameter, depth, mounting centers and rear connection, then plan the required custom mounting before ordering.
No. Plan the fuel indication, tachometer and warning or indicator functions separately. The vintage-style speedometers specify speed display and illumination, and custom mounting is required; those specifications do not promise a complete CB700SC cluster conversion.
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