Question about Polaris ATV

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Polaris 500 idles fine but when i give it any gas it backfires through the carb and stops running. What will fix this?

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The idle air mixture might be off or sometimes a bad spark plug can cause it

Posted on Nov 13, 2009

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It sounds like you may be getting to much fuel, it could be your jets are floats in carb, rebuild carb! believe it are not, a bad battery can cause simular issues.

Posted on Dec 18, 2009

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98 sportsman starts but as soon as i give it gas it sputters back through the air filter box and kills.

Posted on Dec 09, 2009

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1 Answer

My 2010 Polaris 330 trailboss will idle all day but when you give it gas it wants to bog down and die


My Polaris 500 did same thing. Had to
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Sounds like the jets are cloged up you will need to pull off the bole and clean the pre jet and you shuld be fine

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4 wheeler has sat for 3years. New carb diaphragm & idles fine. hit the throttle & it backfires & dies. Carb has been apart numerous times. Starts right back up. Not flooded.


Have you changed the fuel out, bad gas can cause this, also fuel lines and filter should be replaced as the ethanol eats the lines and filter.
Those hoses sound like the vents for the tank and carb.
When you replaced carb did you tighten the rubber boot that mounts the carb to the engine? if there is a crack in this boot it will suck air and cause this engine to stall,

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a professional carb cleaning, new or CLEAN air filter and NEW spark plug!

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Why does the engine load up at higher rpms?


you might have a dirty carb.check the big jet in there as it might have a blockage.sounds like you have enough gas going through the small jet to start the quad and for slow speed but when you want to give it good power, it starts to bog down.do the carb thing first

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Arctic cat 500 dies when you give it gas but idles fine!


You still have a carb issue, doesnt take much trash to chock it out when giving throttle. if you done the carb clean twice, try seafoam, does pretty good at cleaning the carbon out. use it as directed while running. it will smoke bad while preforming this proceedure so dont panic whens it smokes the neighborhood out.

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