OEM 1977FLH Speedometer

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1977 FLH Speedometer Specs & Info

Type: Mechanical (cable-driven)

Drive Location: Front wheel hub (usually left side)

Speed Range: Typically up to 120 or 150 mph

Odometer: Analog rolling digits

Face Style: Black face with white or orange numbers (varied slightly by year)

Mounting:

Tank dash-mounted (console-style)

Standard 3.5” round gauge

Cable: Connects from front hub to rear of speedometer housing

🛠️ Common Issues

Wobbly needle: Usually caused by a worn cable or sticky internal gearing

No movement: Broken cable or stripped hub drive

Incorrect speed: Mismatched gearing or aftermarket wheel/tire sizes

🔧 Replacement Tips

OEM Style: Look for genuine or repop speedometers from V-Twin, Drag Specialties, or Midwest.

Aftermarket Digital? You’ll need a sensor conversion kit, as the stock is mechanical.

Calibration: Stock unit is calibrated for stock wheel and tire sizes—modifying tire size affects speed reading.

✅ Recommendation

If you’re restoring a 1977 FLH, stick with a NOS or repop mechanical unit to preserve authenticity. If going custom, you can switch to a Dakota Digital setup, but it’ll require a conversion to an electronic sensor.