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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Related Questions:

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
get a carb rebuild kit. Small plastic ring wore out and caused problem.

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Polaris ranger 500 efi 4x4 2012: will not idle when first starting up. I have to give it gas to get it moving. once it warms up it is fine. any thoughts?


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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If a tune up doesn't help, rebuild the carb. the ethanol in gas ruins the gaskets.

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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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Help 07 polaris 500 sportsman 500ho cranks but will not start backfires only. changed gas cleaned carb cleaned fuelpump new filter 80 lbs compression new plug.points under thottle leaver has gap can not...


All most positive it is in your carb take the bowl off it as you take it off there is a small tube that hangs down that all most reaches the bottom of the bowl need to take a small wire and push through it it is blocked .symptoms backfiring no idle coughing and sputtering if it does start

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Engine won't run properly


sounds like its running rich. check your float height and then lower your main jet needle a notch

Dec 04, 2017 | Polaris ATV

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