Why is my motorcycle speedometer not working?
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Why is my motorcycle speedometer not working?
Some motorcycles have electronic speedometers that require calibration and repair by a trained technician. Problems with mechanical speedometers are most often a faulty gauge or worn cable.
What controls the speedometer on a motorcycle?
Most current motorcycle speedometers use a sensor triggered by the teeth of a transmission gear or a similar dedicated ring or by the slots in an ABS wheel ring. These sensors send a square-wave signal to the ECU, which calculates speed from the frequency of the signal.
Why is speedometer not working?
The most common causes of a speedometer that stopped working include are a faulty speed sensor, a broken gear on the speedometer, damaged wiring, or a faulty engine control unit.
How can I test my speedometer?
A vehicle’s speed can be made by measuring the time it takes to travel one mile. The best way to conduct the test is to set cruise at one speed and measure the time it takes to travel between two green mile markers on interstate or other US/state highways.
How do I know if my speedometer is bad?
If you think your speedometer is inaccurate, you can use a stopwatch to check how accurate it is. Start the watch as you pass a mile marker while on the highway, and then stop it once you pass the next marker. The second hand on your stopwatch will be your speed.
How do you know if a speed sensor is bad?
Therefore, a failing speed sensor will have a direct impact on automatic transmission operation. One of the most common signs of a bad speed sensor is abnormal automatic transmission operation. If the VSS is faulty, the transmission may exhibit symptoms such as delayed shifts, hard shifts, and limited gear operation.
Why is my speedometer wrong?
Reasons why your speedometer is inaccurate Damaged wiring or a blown fuse could be enough to through the speedometer out of whack. A malfunctioning sensor or engine control unit could be reporting an erroneous speed. A change in wheel or tire size could even throw off the senor and its calculations.
