Question about Polaris ATV

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Trying to verify that the stator is bad. Its a 2002 sportsman 90. I have the manual but it still doesn't tell you what to do if the the specs are out. The only test that is not checking out would be unloaded cranking voltage the black/red to black. specs are 90-120 volts ac. I am getting 47

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  • brown_merrit Feb 09, 2010

    The atv doesn't have any spark

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  • Polaris Master
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The fact that you only get 47 volts indicates the stator has an open, there is nothing else but the stator that causes this low un-regulated voltage reading, all stators are tested the sam no matter what they come out of, car motorcycle, ATV etc.
here is the basic test.

STATOR TESTING.—The stator winding can be tested for opens and grounds after it has been disconnected from the alternator end frame. If the ohmmeter reading is low or the test lamp lights when connected between each pair of stator leads (fig. 2-31), the stator winding is electrically good. A high ohmmeter reading or failure of the test lamp to light when connected from any one of the leads to
the stator frame (fig. 2-32) indicates the windings are not grounded. It is not practical to test the stator for shorts due to the very low resistance of the winding.



Trying to verify that the - 7714c5d.jpg

Figure 2-32


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Posted on Feb 08, 2010

  • yadayada
    yadayada Feb 09, 2010

    U kinda left out the really important fact that this is an ignition stator, but still theink that is the probem.

  • yadayada
    yadayada Feb 12, 2010

    did u check the igntion stator?

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  • Master
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The only thing the shop book will tell you is how to test stator resistance. If any of the measurements are off, the stator is bad and needs to be replaced. Stator's seem to be a common problem with Polaris. I have had to change a few on different Sportsmans. Not only that, but the dealer had it in stock. That's gotta tell you something. I think a new stator is around $250.00, but don't hold me to that. Hope this helps and good luck...

Posted on Feb 09, 2010

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Posted on Jan 02, 2017

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