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Motorcycle Battery Voltage While Running
Motorcycle Battery Voltage While Running. Place the voltmeter leads to the battery terminals. You can test the bike while it is off to see if the battery sits around 12.6 volts at rest, or you can run the bike and test voltages through a range of rpms.
If a battery reads 12 volts at rest, it is almost fully depleted. We think of motorcycle batteries as being 12v, but they actually hold more and more is required to start the bike. Everyone seems to think that stators rarely fail on these machines, but i'd like to be certain before i drop $80 or more on the regulator/rectifier.
Place The Voltmeter Leads To The Battery Terminals.
It is likely the old oem r/r is dead, but, 10 minutes of running the bike won't charge dead battery. Also know, what should a motorcycle battery voltage be when running? When you check the voltage on the battery terminals while the bike is running, at idle 13.xx, when you rev the bike you should see that voltage vary by a couple volts say 14.xx or 15.00v this is the upper limit of the regulator and is normal.
You May Not Notice Your Motorcycle Battery Is Draining While You’re Riding It.
When your car is running the cars alternator is charging the battery, this is why you should see a higher voltage. We think of motorcycle batteries as being 12v, but they actually hold more and more is required to start the bike. What voltage should a motorcycle battery read when running?
Your Owner’s Manual Will Tell You If A Certain Voltage Is Required In Order For Your Alternator To Begin Charging Your Battery.
Charge the battery with a charger until there is zero amps being taken, then, start the bike, and, measure the voltage across the battery at idle. Depends on the voltage regulator. If so, this is good!
Your Charging System Is Putting Out The Necessary Voltage To The Battery During A Running Condition (Past Idle).
Everyone seems to think that stators rarely fail on these machines, but i'd like to be certain before i drop $80 or more on the regulator/rectifier. If the voltage drops below 9.5 volts while starting the engine, it means that one of the battery cells is bad and the battery will need to be replaced. However, there are some signs a battery is dying and needs some attention.
This Information Will Help You Determine Whether You Need To Replace Your Motorcycle Battery.
The full range of the battery is from just over 14 volts (when being charged by the bike running at high rpms) down. If your reg/rec isn’t regulating voltage properly it might be sending too much voltage into the motorcycle’s battery. You can test the bike while it is off to see if the battery sits around 12.6 volts at rest, or you can run the bike and test voltages through a range of rpms.
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