Polaris ATV Forum banner

misfire

  1. 2006 sportsman 500 HO misfiring

    Polaris Sportsman
    So I'm new to this whole forum thing, and hope I'm posting this in the right place... Anyway, I bought a 2006 sportsman 500 HO of a friend of mine this past spring and I've loved it so far. So I've started to put some time and money into it. I installed an EPI clutch kit, K&N filter and a DG...
  2. 2002 500 Sportsman RSE w/miss

    ATV Repair and Maintenance
    When accelerating slow in low range the engine will start to sputter at about 5miles per hour.It feels like it isn't getting enough fuel or running out of gas.The machine starts and idles perfect.After the flat spot the performance is great.I have 10 thousand miles on the machine.I have changed...
  3. 1999 Sportsman 335 Misfire, Running Rich

    ATV Repair and Maintenance
    Is your Sportsman 335 1999 misfiring in forward gears as if a limiter (like used in reverse) is activated? Is the spark plug and exhaust black? I was advised it could be the CDI unit, a worn cam, faulty fuel pump or carb. I eliminated all these and after 2 years of trying to sort it out I...
Top