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sportsman 500 sputters

  1. 01sportsman 500 ho runs rough when warmed up and in 4x4

    ATV New Members
    Hi all, I'm new to the forum. I have an occurring problem with my polaris. I got an 01 sportsman 500 ho a few weeks ago. Been slowly working out the bugs. One bug I cannot wrap my head around is that the quad runs flawlessly when in any gear and in 2 wheel drive, but when I put it in 4x4 and the...
  2. sportsman 500 cuts out HELP

    ATV Repair and Maintenance
    02 sportsman 500 ho.... has run great for 7 years. last year it started to sputter and bogg down and cut out but only when going up steep hills all other times runs perfect..so changed sparked plug and fuel pump and took it out and it does the same thing..so this year replaced belt and air...
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