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1984 Honda CB650SC Nighthawk Speedometer & Cable Parts

For the 1984 Honda CB650SC Nighthawk, distinguish a replacement speedometer cable from a custom instrument change. The black cable has a model-specific reference, while the vintage-style MPH and KPH gauges require drive-ratio, mounting and connection checks before you commit to a conversion.

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Honda CB all-black deluxe mini custom mph speedometer

Deluxe Mini Custom Speedometer MPH ~ All Black

$119.95 USD
03-0773
Complete your blacked-out cockpit with this All-Black Deluxe Mini Custom MPH Speedometer. A 2.25" unit with an all-black body and face, LED illumination, and...
Honda CB1000 CB900 CB750 CB650 speedo gear plug

Honda CB1000/CB900/CB750/CB650 Speedo Gear Plug

$43.95 USD
29-0538
Keep your speedo drive gear clean with this Speedo Gear Plug, 15mm outer diameter, 22mm long.Key Features• Speedo gear plug• 15mm outer diameter, 22mm...
Honda CB deluxe mini custom kph speedometer with black face plate

Deluxe Mini Custom Speedometer KPH ~ Black Face Plate

$99.95 USD
03-0724
Upgrade your cockpit with this Deluxe Mini Custom KPH Speedometer in chrome with a black face plate. Sized at 2.25", this deluxe-spec unit includes...
Honda CB deluxe mini custom mph speedometer with black face plate

Deluxe Mini Custom Speedometer MPH ~ Black Face Plate

$99.95 USD
03-0725
Finish your custom build with this Deluxe Mini Custom MPH Speedometer in chrome with a black face plate. At 2.25", this deluxe-spec unit packs...
Honda CB all-black deluxe mini custom kph speedometer

Deluxe Mini Custom Speedometer KPH ~ All Black

$119.95 USD
03-0771
Go full stealth with this All-Black Deluxe Mini Custom KPH Speedometer. At 2.25", this deluxe-spec unit swaps the chrome body for an all-black finish,...
Honda CB deluxe mini custom mph speedometer with white face plate

Deluxe Mini Custom Speedometer MPH ~ White Face Plate

$119.95 USD
03-0744
Brighten up your cockpit with this Deluxe Mini Custom MPH Speedometer in chrome with a white face plate. The white face pops with classic...
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 CB750SC CB650SC CB550SC speedometer cable 44830-ME5-405

1982-85 Honda CB750SC / CB650SC / CB550SC Speedometer Cable ~ Replaces 44830-ME5-405

$27.95 USD
51-0745
Replace your Nighthawk speedometer cable with this Speedometer Cable in black, replacing OEM #44830-ME5-405.Key Features• Speedometer cable• Black• Replaces OEM #44830-ME5-405• Honda part name:...
Honda CB deluxe mini custom kph speedometer with white face plate

Deluxe Mini Custom Speedometer KPH ~ White Face Plate

$119.95 USD
03-0746
Bring vintage-style visibility to your metric cockpit with this Deluxe Mini Custom KPH Speedometer in chrome with a white face plate. At 2.25", it...
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 CB650SC Nighthawk · Speedometer & Cable Buying guide

Decide between cable service and a custom gauge

A cable replacement and a custom speedometer purchase call for different checks. Start with the existing instrument, then choose the appropriate reference or gauge dimensions rather than treating every item as a stock instrument replacement.

Parts to consider

1982-85 Honda CB750SC / CB650SC / CB550SC Speedometer Cable ~ Replaces 44830-ME5-405 Nighthawk speedometer cableBlack replacement cable with reference 44830-ME5-405, specifically listed for the 1983–85 CB650SC.View part Custom Vintage Style Speedometer MPH Vintage-style custom MPH speedometerMechanical 0–130 MPH gauge, 85 mm diameter, with LED illumination and 2240:60 ratio. Custom mounting required.View part Custom Vintage Style Speedometer KPH Vintage-style custom KPH speedometerMechanical 0–220 KPH gauge, 85 mm diameter, with LED illumination. Ratio: 60 km/h = 1400 rpm; custom mounting required.View part

Related parts: Unused wheel-drive closure plug

Retain a clear cable reference

The black speedometer cable replaces 44830-ME5-405 and explicitly lists the 1983–85 CB650SC. Match it to the existing cable and its connections when keeping the current instrument. A custom gauge installation needs a separate connection and routing check instead of assuming the stock-type cable proves the whole conversion.

Plan the custom instrument installation

Both vintage-style gauges are 85 mm in diameter, 55 mm thick and have mounting points 57 mm center-to-center. They require custom mounting. The MPH ratio is 2240:60; the KPH version specifies 60 km/h = 1400 rpm. Verify the drive and wiring requirements before choosing either gauge.

Buying questions

What should I check before treating the cable installation as finished?

Route the cable in broad curves with enough slack for steering and fully engage the inner cable at both ends. Confirm smooth speedometer operation without needle bounce. A changed instrument position still needs its own connection and routed-length check.

Are the vintage-style gauges stock instrument replacements?

They are custom-mounting gauges. Check the 85 mm diameter, rear clearance, 57 mm mounting centers and the selected gauge’s mechanical ratio before ordering; the model application does not promise a stock-cluster installation.

What does the separately linked gear plug do?

It closes the retained original wheel-drive opening after removing the mechanical speedometer cable, helping keep the gear clean. Compare the approximately 15mm outside diameter, 22mm length and retention with your fitted drive. It does not provide the components needed for an electronic speedometer conversion.

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