Question about Polaris ATV

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I have a 1996 Polaris Sportsman 400 4 wheeler and sometimes my kill switch or the key will kill the engine so I have to choke it out in order to kill the engine and also at times my start button will not work. But when the engine is off I have to have the switch in the run position in order to start the machine so it is like the switch is working properly but just will not kill the engine at times. I did try another switch but had the same results. Another thing that seems to happen at the same time a lot but I don't know if it's related or not is when I'm driving the 4 wheeler it will bog out like the plug is fouling out but I replace the plug and there is no difference but normally it will work itself out of this and run fine until it happens again. When this is happening it seems to help to take it easy on the throttle vs giving it a lot of throttle because it seems to come out of it quicker by doing this. Any ideas what the problem could be? Could it be a coil issue? Thanks, Jody.

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Hi Djadeke,

Sorry because I got disconnected from out chat session awhile ago. My internet connection is acting weird. I apologize for any inconvenience. I would highly appreciate if you would at least change the rating for the chat session because the inappropriate rating will greatly affect my scores for fixya. I hope you understand.

Okay, so I asked you if you smell excessive fuel which is a sign that the intake manifold is choking with fuel. But you said that you don't smell excessive fuel so that is out of the problem.

The possible cause of the issue is faulty ignition coil. If you have another Sportsman 400... try to swap the ignition coils and check for any changes. This will isolate the problem.

Thanks for using fixya. Have a good one...

Posted on Jun 01, 2009

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Posted on Jan 02, 2017

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