Question about Polaris 2010 Sportsman 400 H.O

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What courses it to back fire when i back off - Polaris 2010 Sportsman 400 H.O

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Most backfires are caused by improper mixture settings on the carburetor.

Posted on Apr 03, 2015

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Running lean, check for air leaks or a dirty carb

Posted on Apr 05, 2015

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