What Causes the Motorcycle Fuel Gauge to Not Display?

2 Answers
StNova
07/29/25 6:47pm
In most cases, the issue is caused by the fuel level sensor inside the fuel tank getting stuck. After being soaked in gasoline for a period of time, some sensors may expand, clamping the float and preventing it from moving up and down. As a result, the correct fuel level cannot be displayed. In such cases, simply removing the float and loosening it slightly should resolve the problem. If the fuel level sensor is damaged, it usually needs to be replaced as it cannot be repaired. In some instances, the issue may be due to loose wiring screws on the fuel gauge in the dashboard or a broken connection between the fuel float and the gauge. Tightening the screws or reconnecting the wiring can fix this. The fuel gauge itself is generally not prone to damage, but if it fails, the entire instrument cluster usually needs to be replaced.
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Andrea
08/14/25 12:20pm
I've been riding motorcycles for years, and that time when the fuel gauge suddenly stopped working was really a headache. At first, I thought it was because the tank wasn't full, but later I found out that the float inside the tank was stuck at the low fuel level position, keeping the needle at empty. It could also be due to the sensor aging and failing, unable to send signals; or a short circuit or open circuit in the wiring causing signal interruption. Once, my bike had a blown fuse, and replacing it immediately restored normal operation. I suggest you first check the float and fuse yourself before rushing to a repair shop—it saves both money and time. Regularly cleaning the inside of the fuel tank during routine maintenance can effectively prevent the float from getting stuck. Remember, if this issue isn't addressed promptly, you might stall and break down during a trip, which is very dangerous, so it should be prioritized.
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