Polaris Sportsman 2010 sportsman 500 problem??? July 2, 2015 I noticed my speedometer is sometimes jumping all over when ideling in park. Just wondering if anyone else has had this happen and could give me a pointer on what to look for. I did look around at connections, and didn’t notice anything. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related