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backfiring

  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. frequent shutoff and backfiring problems

    ATV Repair and Maintenance
    I've got an 09 polaris sportsman 500 ho (not efi) and after this winter it has been wierdly just shutting down and the screen would go blank and I would have to restart it. Sometimes when I try to restart it, I turn the key on and the screen is still blank. Sometimes I might I have to wait about...
  3. 1997 trail boss Help!

    Polaris Trail Boss
    Im having a issue with it not starting only thing it will do is back fire out the carb i have fresh fuel and new plug Im getting spark and gas on plug Now here is what ive done: New plug and Fresh fuel rebuilt top end i used the stock piston and bought stock 72mm rings i bought gasket kit for...
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