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Discussion Starter #1
I'm not real active here so sorry if this topic is covered a lot.

My Sportsman 500 eats bulbs and batteries and the speedo is erratic but runs fine. Do these symptom point to replacing anything specific like a rectifier or voltage regulator?

Thanks
Jack
 

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Definitely sounds like a voltage regulator. Check voltage at the battery when running at idle and at about 3000 rpm. If it goes over 14.5v dc ever it is bad.
 

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Discussion Starter #3
Thanks for the reply. Does anyone have any feelings one way of the other regarding getting a Polaris or aftermarket rectifier?
 
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