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backfires

  1. 2010 Polaris Sportsman 500 HO- backfiring and sputtering

    ATV Repair and Maintenance
    Hello everybody. I have a 2010 Polaris Sportsman 500 HO that is having some issues, I have tried all the basic stuff and nothing has worked, so here I am asking for you help. The machine has less than 400 miles on the odometer and 53 hours on the clock. I don't ride it every day, but try to at...
  2. 850 EFI backfires

    ATV General Discussion
    My 2011 Sportsman 850 X2 has less than 200 hrs. It has started backfiring when letting off the throttle. Besides trying a new plug where else should I look to solve the problem.
  3. loss of top end + Backfire=???

    ATV Repair and Maintenance
    2012 polaris 500 HO 60 hours I have two sons which have been riding the quad, and are oblivious to the problems i recently encountered on my trip around the property. This is why i cant have nice things...at least thats what my dad used to say to me.I changed the spark plug, and made sure it...
  4. Magnum 325 will not idle and bogs during acceleration

    ATV Repair and Maintenance
    Hello all, I surely hope that somebody here can help me because I'm at my wicks end with this problem. I have a 2000 Magnum 325 2x4 that has been sitting for about a year(axle was broke but fixed now). Before it was stored, I had problems with it not accellerating to full speed and sometimes...
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