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01-31-2012, 09:44 AM
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Junior Member
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Member #22855
Join Date: Jan 2012
Location: newfoundland
Posts: 3
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2010 polaris 500 sportsman wont start
i have a 2010 sportsman with approx 500 miles on it. three times this winter i have had issues with starting it. it starts ok in the morning but then it starts to act up(sputtering, poping, backfiring) and wont run.Then it refuses to start. There is spark on the plug and theres fuel getting to the carb. Any help would be greatly appreciated. 
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01-31-2012, 03:23 PM
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Super Moderator
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Member #193
Join Date: Feb 2009
Location: Port Angeles WA
Posts: 11,430
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Welcome to the board! 
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01-31-2012, 04:56 PM
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Polaris ATV Legend
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Member #11982
Join Date: Feb 2011
Location: Douglas Wyo
Posts: 1,954
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water in gas? try running 1 oz of Seafom per gallon of gas and see if it clears up
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02-04-2012, 06:10 AM
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Junior Member
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Member #22855
Join Date: Jan 2012
Location: newfoundland
Posts: 3
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I bought it to my local Polaris dealer. He drained the gas, changed the plug and the bike fired up perfect. I am considering Putin in a water separator. Will this solve my problem?
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02-08-2012, 04:02 PM
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Junior Member
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Member #19300
Join Date: Oct 2011
Location: Richmond, VA
Posts: 5
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Better to store them with the tanks completely full. Air space allows for condensation. Also treat the gas with stabil and/or ethanol treatment.
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02-08-2012, 04:31 PM
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Polaris ATV Legend
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Member #11982
Join Date: Feb 2011
Location: Douglas Wyo
Posts: 1,954
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where is it gettin the water? does it sit outside?, maybe where you buy your gas?
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02-08-2012, 05:51 PM
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Premium Member
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Member #23019
Join Date: Feb 2012
Location: northshore of the big pond
Posts: 274
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Quote:
Originally Posted by Russ C
where is it gettin the water? does it sit outside?, maybe where you buy your gas?
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The heat off the engine heats the gas tank, and when it cools water droplets form inside the tank. Mostly happens in the winter and fall. Seafoam is the best IMO. It also cleans the carb and can be used before an oil change to help degunk the oil galleys and valve seats.
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02-09-2012, 01:16 PM
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Extreme ATV Enthusiast
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Member #7183
Join Date: Sep 2010
Location: Belle River, Ontario, Canada
Posts: 111
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Quote:
Originally Posted by macka
Quote:
Originally Posted by Russ C
where is it gettin the water? does it sit outside?, maybe where you buy your gas?
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The heat off the engine heats the gas tank, and when it cools water droplets form inside the tank. Mostly happens in the winter and fall. Seafoam is the best IMO. It also cleans the carb and can be used before an oil change to help degunk the oil galleys and valve seats. |
Exactly..
Condensation collects inside the tank from temperature differences between fuel and air! Keep your fuel tank full after every ride and your problem will be solved.
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02-09-2012, 04:54 PM
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Junior Member
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Member #23099
Join Date: Feb 2012
Location: MB, Canada
Posts: 4
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SeaFoam Rules!!
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03-27-2012, 11:15 AM
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Junior Member
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Member #22855
Join Date: Jan 2012
Location: newfoundland
Posts: 3
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I finally found out the issue with my atv! Appenently snow was drifting and blowing down into my air intake and when it melted it went into the air filter. when trying to start it moisture was being pulled into the carb. I rectified the problem by putting an extension on my intake so now it goes up under the tank fairing. i have over a 100 miles on since and no issues. Hopefully this issue may help others who are having a similar issue! Thanks to all who posted
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