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won't start

  1. Can I swap an ECU from the same year and model to test? Sportsman 570 won't start

    ATV Repair and Maintenance
    I would like to know if I can take a computer from the same year and model machine and swap it to my machine to see if it will start. My machine will not start and I have checked just about everything. Here is my story below which is why I want to swap a computer with another machine. Thanks...
  2. 98 Sportsman 500 won't turn over

    Polaris Sportsman
    Hey ya'll, I'm new here and can't find answers anywhere! I have a 98 sportsman 500 atv and it just won't turn over. I have always played on everyone else's toys and now that I have my own, I can't fix it! I added a link to a video of what its doing! Please any ideas...
  3. Sportsman 570 Died and can't get it started again

    Polaris Sportsman 570
    Ok so here's my story. I was riding with some friends and the machine died out of nowhere. It would turn over but not start. I towed it home and began to try and troubleshoot the problem. At first I thought it might just be a fouled plug or something simple. I replaced the spark plug and...
  4. Still won't start, lessons learned.

    Polaris Sportsman 570
    Ok last week I posted that I couldn't get my 2015 Sportsman 570 to start. I'm still having issues. To recap I installed a winch drained the old low on liquid original battery to the point of no return but before I bought a new battery I jumped the bike from my TRUCK THAT WAS RUNNING!! It cranked...
  5. 89 trail boss has weak spark. Won't even try to start

    Polaris Trail Boss
    Hi everyone, I'm a novice at troubleshooting this old 250 4x4 Trailboss which I have had since it was new. It has generally been pretty reliable but in it's later years would be very difficult to start and sometimes it would die and very hard to restart and then it would not start at all...
  6. Polaris 500 Runaway - now won't start

    ATV New Members
    Howdy, I am new, and this is the first post for me. I'm really glad I found this forum. I bought a 2013 500 EFI used, and it's functioned well for many typical ranch tasks like towing fallen trees, hauling firewood, etc. I had an interesting problem occur with this over Memorial Day. My wife had...
  7. 1996 Polaris sportsman 400 2 stroke

    ATV Repair and Maintenance
    Hey guys, Just bought a couple fixer uppers. A 95 and a 96 sportsman 400 2 stroke. The 95 is brought up to speed and purring like a kitten. However I am having problems with the 96. Here it is: - machine won't start, every so often it will give a small kick as if trying to go, but never...
  8. 2010 Sportsman 500 won't start

    ATV Repair and Maintenance
    I was out riding and everything was fine. I stopped and turn quad off. When I went to start back up nothing worked. No lights, no power to dash lights/speedo, no power to starter. When i turn the key to start the machine nothing happens. The positive battery terminal got hot and the main fuse in...
  9. 2009 550 XP EFI Doesn't Want to Start

    Polaris XP
    My XP doesn't want to start, although after about 10 minutes of cranking and giving it some throttle it will eventually start, run really rough until it warms up, and then once warm will only restart if you give it a bit of throttle. I didn't have this problem until I put it on a trailer and...
  10. 06 outlaw 500 has no electrical power when key is on..help? Lol

    Polaris Outlaw
    Hello, I'm new here, this is my first polaris, this bike has been sitting around a lot, I just got it and it has a brand new battery(full charge), I have checked all grounds, fuse links, fuses, can't find any broken or damaged wires, the engine will turn over when I cross the silanoid, but it...
  11. 04/05 Predator 500 Fuel/Carb Issue

    Polaris Predator
    Hey everybody, So for starters I might as well say what I have done to the quad thus far. Some 560cc kit (We have rebuilt the entire engine when I got it. We did a conversion (not much of a conversion) from a ‘04 bottom end to a ‘05 bottom. Found out that the quad was bored out I believe it...
  12. 2002 sportsman 500 won't fire has spark, please help

    ATV Repair and Maintenance
    Hey I am new to the board. I have a 2002 sportsman 500 ho that won't fire up. recently started smoking so I tore it down and replaced the piston rings. Now after i put it back together I've had problems with getting it to start. I have got it to start about 3 times after kept turning the key and...
  13. Electrical turns on for 20 sec. Then shuts off

    ATV Repair and Maintenance
    Hey guys I am new here... I have a 2005 polaris sportsman 500 ho. It has been a great bike and I have had no problems with it, however a few weeks ago I went out riding in a rain storm with the kids, played in a few puddles nothing deep and now I can't get the bike to start.... The electrical...
  14. ATV Kills when warned up. Does not start

    ATV Repair and Maintenance
    OK I have a challenge for you tech folks. I am out of answers. I have a 2004 1/2 sportsman 400. Once it gets warmed up it kills and will not start again. It can be idling or going down the road. Actually if I choke it it will start and run for a little while but will kill again. I need to let it...
  15. 2004 sportsman 500 no spark

    ATV Repair and Maintenance
    Ok... this is killing me. I have a 2004 sportsman 500 ho. Ive had it since new and all of a sudden almost a year ago it stopped running. I had some maintenance to do to it so I thought nothing of it and ordered a slew of parts and began the maintenance. After getting it all together I turned...
  16. 2004 sportsman no spark

    ATV New Members
    Ok... this is killing me. I have a 2004 sportsman 500 ho. Ive had it since new and all of a sudden almost a year ago it stopped running. I had some maintenance to do to it so I thought nothing of it and ordered a slew of parts and began the maintenance. After getting it all together I turned...
  17. I need a little help with my 2003 Sportsman 500

    Polaris Sportsman
    I recently bought a 2003 Sportsman 500 (knowing that it didn't run) I bought it from a trusted friend who had not had the the time to troubleshoot it So far I have replaced the speedo, adjusted the valves, checked the cam chain, confirmed that I have spark, replaced the plug, ensured that the...
  18. 2000 polaris magnum 325 no power

    ATV New Members
    i have a 2000 polaris 325 that i got given to me. the guy i got it from said that it had carb problems and that it ran great before the carb started flooding over then he parked it about 8 months ago. so i brought it home tore it apart and cleaned the carb and replaced the needle valve and seat...
  19. I was riding my 2004 Polaris Predator 500 and it just quit running.

    ATV Repair and Maintenance
    Earlier today i was riding my polaris Predator alone and i noticed it was making a weird sound(like i was in 3rd gear when i should be in second) so i shifted down and went to first and it cleaned up. About 5 minutes later it bogged WAY down so i shifted all the way down to first and it just...
  20. 2005 Predator 50 won't start??

    ATV New Members
    Okay, I am new here and to this forum gig so here goes... 2005 Predator 50. New Coil, New CDI Box, New spark plug, Carb has been cleaned three times now, Compression ranges from 115 to 125 psi depending on kick or electric start. Have confirmed strong and steady spark. Lots of suction on the...
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