700 Twin Over Charging (20V +) - Polaris ATV Forum
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post #1 of 15 (permalink) Old 12-07-2018, 07:51 PM Thread Starter
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700 Twin Over Charging (20V +)

Hello everyone. I have a Polaris Sportsman 700 Twin that has an issue over charging the battery. I have replaced the battery and voltage regulator/rectifier with a new one and still have the problem. It has the original CDI/Ignition box and possibly the original stator. If I disconnect the V reg, the reading doesn't change. Still 20V +. Can anyone help?
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post #2 of 15 (permalink) Old 12-08-2018, 03:31 AM Thread Starter
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Forgot to put the year. It’s a 2002.
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post #3 of 15 (permalink) Old 12-09-2018, 02:24 PM
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Sounds like you got a bad regulator where did you get it from?


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post #4 of 15 (permalink) Old 12-09-2018, 03:12 PM Thread Starter
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The Vreg checks out in a bench test and the thing is, so did the original one and the used replacement one I first tried. I ordered a new stator and hopefully that does it. I'll keep this chat updated but in the mean time, if anyone has any new incites, I would love to hear it.
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post #5 of 15 (permalink) Old 12-10-2018, 06:44 AM
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Quote:
Originally Posted by TimWeb View Post
Hello everyone. I have a Polaris Sportsman 700 Twin that has an issue over charging the battery. I have replaced the battery and voltage regulator/rectifier with a new one and still have the problem. It has the original CDI/Ignition box and possibly the original stator. If I disconnect the V reg, the reading doesn't change. Still 20V +. Can anyone help?
With the voltage regulator disconnected It shouldn't charge at all, where is the battery getting that power from? Is the starter disengaging?
When i had a bad regulator on my old twin I would see 17.5 to 18 volts but never 20+, but that bike has the Kokusan ignition, maybe the Ducati ignitions have some different wiring to the battery.

If the starter was engaged it would at like a generator and overcharge the battery.

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Last edited by MNDS; 12-10-2018 at 11:18 AM.
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post #6 of 15 (permalink) Old 12-10-2018, 09:38 AM Thread Starter
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Pretty sure the starter is not engaged while it’s running. And yes, it has the Ducati ignition
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post #7 of 15 (permalink) Old 12-10-2018, 10:44 AM
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The starter cannot back feed the battery unless the solenoid sticks and if the solenoid sticks, the starter is going to run like it was designed to - that was the most improbable possibility I ever heard of
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post #8 of 15 (permalink) Old 12-10-2018, 11:43 AM Thread Starter
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I have ordered a new stator and hope that fixes it.
I appreciate all the comments and helpful hints. If anyone has any new suggestions I would love to hear them and I’ll post results when I install the new stator.
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post #9 of 15 (permalink) Old 12-21-2018, 07:45 PM Thread Starter
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New stator changed nothing.

On a positive note however, a friend came to help me and discovered that my multi meter was defective.
I purchased a new one and it appears the bike has been working normally all this time.
I feel pretty embarrassed by this final conclusion but I’m sharing the info so others may realize that it may not always be an issue with the bike but can be an issue with equipment as well.
Double check your tools every so often to avoid throwing money at something that is working perfectly. Cheers
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post #10 of 15 (permalink) Old 12-21-2018, 10:48 PM
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Quote:
Originally Posted by TimWeb View Post
New stator changed nothing.

On a positive note however, a friend came to help me and discovered that my multi meter was defective.
I purchased a new one and it appears the bike has been working normally all this time.
I feel pretty embarrassed by this final conclusion but I’m sharing the info so others may realize that it may not always be an issue with the bike but can be an issue with equipment as well.
Double check your tools every so often to avoid throwing money at something that is working perfectly. Cheers
That sux about the meter !!! But on the bright side you're up and running with no issues .

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