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5 Causes of Dead Motorcycle Batteries

Do you know what reduces the life of your motorcycle batteries? No? Don’t worry, you are not the only one. Many people do not know how to keep their motorcycle batteries in top condition. Motorcycle batteries need proper care and maintenance if they are to last for long. Let’s take a look at some of the reasons that batteries die out quickly requiring costly replacement.

1. Overloading the Battery

Overloading the battery with too many accessories greatly reduces its lifespan. You should check the voltage of the battery with engine running and all accessories on. If the voltage reader reads less than 13.8 volts then the battery may not be able to cope with all the accessories.

Some motorcycles take on much power from the battery with little spare power available for extra accessories. You may want to shed some accessories to elongate the life of the battery. Also, consider buying a more powerful alternator to enable the battery to power up your accessories without strain.

2. Faulty Voltage Regulator

This problem is common with high mileage bikes. Faulty regulators or alternators greatly reduce the life of motorcycle batteries. You should check all the connections from the regulator to the alternator to make sure that they are in good condition. Also, check the resistance of regulators and alternators by consulting with the service manual.

The regulators and alternators that come equipped with most bikes do not last for long and require replacement. It is essential that you regularly make a regular check to ensure that they do not need replacement.

3. Poor Ground Connection

Another common cause of dead motor cycle batteries is a poor ground connection between the frame and the battery. This can prevent proper charging of the battery. You should carefully check all the connections to ensure that they are properly connected. If required, use light sandpaper or scotch brite to clean the connections.

4. Leaky Circuit

Leaky circuits slowly drain the battery and suck it dry. The leaks can form accessories installed on the bike like alarms, high beam light, GPS, or other sources. In order to check leak circuits, you should remove the negative battery cable and place a volt-ohm meter leads between the negative cable and the battery’s negative terminal. Ideally, the current draw should be zero. A drain of an amp or more should be investigated further to determine the source.

5. Heat and Vibration

Some motorcycle batteries cannot take on heat and vibrations. Even if you take proper care of the battery, heat and vibrations can severely reduce the lifespan of the battery. It can damage internal component of the battery. AGM batteries and gel cell batteries can take on a greater amount of heat and vibrations. These batteries generally last for long than conventional wet lead acid batteries.


You might also like: Taking care of Maintenance Free Motorcycle Batteries

On BatterySharks.com you can find quality replacements for the most popular models of motorcycle batteries such as the YTX12-BS, YTX14-BS and YTX14AH-BS battery by Yuasa.

 

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