Charging system problems

How many volts should put out

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Frank Quaranta

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12 to 14 volts. Less if lights are running. So anywhere from 10 to 14 should be ok. If less it should be replaced

Posted on Jun 17, 2013

Craig Davies

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The battery is 12 volts. Anything under that will result in battery being discharged and ultimatly your bike will cutout. You should have between 13.00v and 14.50 max even with lights on. If you have less than this, you need to have your charging system checked.

Posted on Aug 04, 2013

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So you had the battery tested? Possibly the alternator or charging system is not up to par? Before you assume there is a drain, first make sure both battery and charging system are working good.

Best to buy a cheap voltmeter (or multifunction meter) to do any testing. Put a voltmeter on the battery, with key off, volt reading should be at least 12.4 volts-any less, like below 12 volts, then battery is not taking full charge OR the charging system is at fault. Now start the car and put voltmeter on the battery again: the reading should be at least 13.5 volts- somewhere between 13.5 and 14.5 volts. If it is, then charging system is good. If both battery and charging system check out, then you start looking for an unintended drain. YouTube has lots of videos on how to find an unintended drain.

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