Polaris 07 500 HO Sportsman X2 Fuel Injected Rear parking lights stay on even if key is removed, brake lights will work if applying brakes with key removed Work lights on rear which use small blade type bulbs 194 do not work but I don't have a manual and don't know how they turn on Rear lights running battery down

SOURCE: polaris 500 x2 starts fine, but when you apply

I have a 2003 sportsman 500 ho thats doing the same thing. It starts fine everytime and idles fine but when you push the throttle it stalls and sounds like its loading up with fuel. Also its fouling the plugs when it does this b/c I can take them out and they are jet black (dry). I checked the spark and the spark appears to be good. So now I'm in the process of taking the carb apart to see if there is anything wrong with it and to clean it. If this doesn't fix it then I don't know. I really don't want to replace the coil b/c its like 150 bucks.

SOURCE: Can i get a wiring diagram for a 2004 polaris

having same prob with my preditor 500 any advice

SOURCE: Service manual for a 2006 500 Polaris Sportsman HO

I have a 2006 Sportstman 500HO ATV, EFI. Sometimes it will run 100% correct, other times it will start, idle fine but then when giving it throttle will will start to surge almost like it's hitting a rev limited. Sometimes it will backfire and stall. I already replaced fuel filter, flushed the fuel lines and gave it fresh gas and installed a new spark plug, but no good. I also checked the throttle switch and it's not making contact to stall it. I download the service manaul and tested each sensor and they tested fine which is probablt why I get no check engine light.
This ATV is mainly used to plow snow in my driveway, no salt. It's used around my property but very lightly. It's still as clean as it was when I bought it and it doesn't have but about 40 hours on it.
Polaris 500 HO EFI 4x4 ATV: Vin# 4XAMH50A56B707664 purchased 6-8-2006

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SOURCE: polaris 2005 sportsman 500 H.O. service manual

Downloaded this last week....its the factory service manual ($3.99)

http://www.tradebit.com/filedetail.php/6901881-download-now-polaris-sportsman-500-2005-05

SOURCE: 2011 polaris 500 sportsman ho

Yes this is normal for the 2011 Sportsman 500. The 500 does not have a one way bearing in the clutch acting like an engine brake as do the previous years. Polaris removed this option for the 500 sportsman in 2009. If you were to own a 550 it would not free wheel down a hill.