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1-17 of 17 Results
  1. ATV New Members
    Hi, new to the forum here. Anyone have any input on an OBD2 reader from an automotive type connecting to an ATV via the pigtail harnesses they sell on ebay/Amazon? I have a 2012 sportsman 550. Just curious if it will work or not. BTW, my atv is stalling out at idle intermittently, starts back...
  2. ATV Repair and Maintenance
    2019 Sportsman 450 HO Utility started bogging and stalling under load at high RPMs (would not go over 6K rpm or 70km/h). Check engine light on but no codes at first. Seemed like water in gas or fuel pump issue. I changed the air filter and spark plug, siphoned the old gas out, added new gas and...
  3. ATV Repair and Maintenance
    Hello all, I am new to the forum and am having an issue with my 2015 Sportsman 570 EFI. It will start however it is a little hard even with a new battery. Once it starts it will run until it warms up and then it starts to not like life. As the rpms come down from warm up the motor starts to...
  4. ATV Repair and Maintenance
    Does anyone know if a Polaris sportsman 500 EFI would need at least 12.5 volts to run properly? I have read before that EFI models need at least 12.5v to start, but does it need at least 12.5 volts to run properly? I can get my Atv started with a booster, but then it stalls right after. I also...
  5. ATV New Members
    I have a sportsman 400 4x4 It keeps stalling. If you let it sit for about 10 to 15 seconds it starts right back up. You can drive it another 50 feet and it will do it again. And it does it about every 50 feet. I put a new stator on it thinking it was that. The motor was just rebuilt It doesn't...
  6. Polaris Sportsman 570
    I have a sportsman 570 and when I attempt to start it in the cold it will start and raise to 950-1100 rpm than stalls. You try it again and the same thing for ten more tries and if you give it throttle for 5seconds it runs fine. Some times it will randomly start fine in one of the cranking...
  7. Polaris Sportsman
    A few days ago I got a steal on my second Polaris, a 06 500 EFI with just over 2500 miles, it was only $1000. The first day it had a few issues but was overall great. The next day it would start and idle nicely, but as soon as you touch the throttle it dies. I pulled the plug and it is soaked in...
  8. ATV General Discussion
    Hello all, Very new to the online posting scene so apologies in advance if I am out of line here. I have read a ton of stuff on this subject and special thanks to AKStew for all his headaches and postings! My problem was similar in my 07 800 Sportsman. I checked the TBAP harness / sensor...
  9. Polaris Sportsman
    I have a 2004 Sportsman 400 that acts like it's possessed. I bought it new from a dealer. It has 800 miles on it, sat for two years with gas treatment in it. I took it out this year and have had stalling, missing, power loss, etc. So I did the following removed tank, blew out screen with...
  10. ATV Repair and Maintenance
    HELP PLEASE, I have a 2014 sportsman 400 ho and it is stalling out when it warms up and I am at idle. My RPM's run between 1180 and 1310 at idle. I think I put old fuel in it , so I drained it and put new in, that seemed to help but it still does it every once in a while. Does anyone know what...
  11. ATV Repair and Maintenance
    Hello, I have a 99 Sportsman and went out for some plowing this morning. It is COLD out, but it started right up (I was running it yesterday). About 20 seconds later it stalled. I gave it a few minutes as I did things around the garage and started it back up. This time it took a few turns...
  12. ATV Repair and Maintenance
    Hey guys this is my first post. I'm working on a freinds 99 scrambler 400 4x4. this thing needed some serious work, new hand brake master cylyinder, rear caliper and rotor and more than i have room for. But here is my problem, I can get it running fine it revs up idles fine. as soon as i put it...
  13. Polaris Sportsman
    I have a sportsman 850 xp. We had a couple issues this last weekend. While on throttle no issues, when coming to a stop it stalled out. It immediately restarted. This happened twice. It has 120hrs - I am going to replace the spark plugs. Is there anything else I should look at? Any other tune up...
  14. ATV Repair and Maintenance
    Hi all! I just bought a 95 trail boss 250 2x4 2 stroke. It has been running well since i bought it. The starter isn't working so i have been pull starting it. About a week ago the rip cord tore and i retied it just as it was just shorter. But since i retied it the slack is...
  15. Polaris Sportsman
    Has anyone heard of/experienced this: My 2012 Sportsman 400 will run fine, then suddenly start sputtering at speed. If I keep on the throttle, it will usually start missing, backfiring, and operating at what feels like half power. If I let off the throttle, it rolls to a stop and shuts off...
  16. Polaris Sportsman
    Does the 2012 Sportsman 500 have AWD in Reverse? If it does then how do you engage in it? Also. MY Sprtsman keeps stalling. Should i turn up the idle?
  17. ATV Performance Modifications
    i just got a 1995 polaris 250 trail boss. when i press the throttle the engine stalls. i have to balance the choke and throtle out to keep from stalling. also, when i go to shift into forward or reverse there is a grinding noise and it does not want to engage. does anyone know how to adress...
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