What Voltage Should A Motorcycle Battery Read When Running

By | August 17, 2022



Motorcycles are an economical and convenient form of transportation, but they require regular maintenance to ensure they stay in optimal condition. An important part of that maintenance is understanding the electrical systems and knowing what voltage a motorcycle battery should read when running.

A motorcycle battery's voltage should be anywhere from 12.4 to 13.8 volts when it's running, or when the engine is on. This provides the power needed for the starter motor, all the lights, and any additional electronics or accessories that are running on the bike. The battery voltage can vary depending on the weather, engine condition, and other factors, but if it drops below 12.4 volts, it's time to have it tested as it may need a charge or replacement.

When testing the voltage of a motorcycle battery with a multimeter, it's important to make sure the bike is off and that the connections to the battery terminals are clean. Dirt and corrosion on the terminals can cause inaccurate readings, so it's always best to use a battery post cleaner to clean them off first. If the voltage reads too low, it's likely the battery needs to be replaced. Always remember that having a properly charged battery is key to keeping a motorcycle running smooth and efficiently.

Being aware of a motorcycle battery's voltage can help you detect possible issues before they become more serious and expensive to repair. Knowing what voltage the battery should read when running is the first step towards proper maintenance of your bike.


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