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ATV New Members If you are new here please post in this section so everyone can get to know you. This will be a kind of icebreaker section for new members.

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Old 07-15-2009, 03:49 AM
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Join Date: Jul 2009
Location: Haley Ontario Canada
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Good Day

Have 2001 500 Sportsman and is backfireing through carb.
Any ideas. Timeing or valves? Starts and idles good.

Last edited by BarnyBee; 07-15-2009 at 04:42 AM.
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Old 07-15-2009, 05:35 AM
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Welcome to the board!
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Old 07-15-2009, 06:48 AM
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Sounds like it could be a bad camshaft.
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Old 03-04-2010, 07:02 PM
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do you have the air filter installed when it is backfiring? the reason i ask is i had the same problem when i purchased a used machine that needed repair
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Old 03-04-2010, 10:01 PM
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welcome to the site!
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1998 polaris 425 magnum 4x4
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