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1996 Polaris Sportsman 400 Will Not Start

I have a '96 Sportsman 400 2-stroke with electronic ignition. The atv has sat for about 2 months and will not start now. I charged the battery up and run it down trying to start it. In my opinion, I thought it could be the Kill Switch because when you are trying to start it, the crank case will jump as if its trying to crank. I do have a spark to the plug, fuel is good, and everything.

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  • Polaris Master
  • 3,073 Answers

If your atv has been sitting this long, the carb is probably stopped up internally... take the carb to a qualified professional and have it cleaned and set...(take a few pictures so you know where all the hoses re-attach)

ALL it takes for an engine to run is:
1. A timed spark
2. Adequate compression
3. Proper fuel/air ratio delivered

Posted on Aug 14, 2017

6 Suggested Answers

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: 1998 Polaris 250 Trail blazer will not start

check the compression

Posted on Jul 18, 2009

  • 524 Answers

SOURCE: 96 polaris 400 2 stroke knew battery but next day

alternator just like a car or if thats not the problem your regulator rectifier is bad

Posted on Mar 19, 2010

  • 9 Answers

SOURCE: I have a 2004 Polaris 400. 4-wheeler. The bike

You have a faulty switch, or it has corrosion in it, moving the switch through it's full travel rapidly for a while to clean the inner contacts may cure the problem, or try disconnecting the switch.

Posted on Sep 23, 2013

s_gamingcent
  • 8 Answers

SOURCE: My 2007 polaris 450 sportsman used to start with the pull start 2nd pull,now it starts for a couple seconds and stalls ,does this three or 4 x then starts and runs fine,by the way it won't start with

Could be time to replace battery, this is most likely the culprit. These fourwheelers are very picky when it comes to low power. Your starter is also most likely just fine, the clicking you hear is the solenoid on the starter, so your battery has some juice, but not enough amps to turn over the starter. Also If the fourwheeler has sat for a long time then you may just need to charge the battery. The 2007 is most likely fuel inject which uses even more fuel when running and it also has its own computer kind of like a PCM in a car or truck. These all need a good supply of power and the stator which is like an alternator usually needs the help of a fully charged battery to keep everything running properly. Also note, once you get a new battery or charge it in some cases the ATV should run smoother.

Posted on Oct 19, 2014

  • 42022 Answers

SOURCE: Why does my Sportsman 400 start by the pull cord, but will not start with the ignition. It turns over fine.

replace the battery as there is not enough charge to start and provide power for the ignition
when you pull start the max power is provided to the ignition system

Posted on Mar 22, 2015

Testimonial: "bill: I failed to mention the engine turns over and over fine. Could battery still be the problem?"

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Dec 21, 2015 | Polaris 2011 Sportsman 500 H.O

1 Answer

Why does my Sportsman 400 start by the pull cord, but will not start with the ignition. It turns over fine.


replace the battery as there is not enough charge to start and provide power for the ignition
when you pull start the max power is provided to the ignition system

Mar 22, 2015 | Polaris 2004 Sportsman 400

1 Answer

How to tell if seloid bad?


You can check a solenoid by using an ohm meter. Or just take it to a auto shop and ask them to check it for you if you don't have one. They can check it real quick and shouldn't charge you anything.

Aug 03, 2014 | Polaris 2004 Sportsman 400

2 Answers

Starts and idles but has no power. What might cause this?


Its either needs the fuel system, including professional carb cleaning, or there is a ignition system problem.
Its probably the carb!!!!!

Jul 24, 2014 | Polaris 2011 Sportsman 400 H.O

1 Answer

I have a polaris 400 sportsman atv. I haven't started it in 2 plus years, the battery is fully charged, it will not start. I put some gas in the tank.


you probably dont have a fuel pump issue, atv's after sitting have a problem of not starting due to carb gumming up. if its fuel injected, then i would say poss fuel pump but if not, the carb gummed is more than likey the issue.

Apr 01, 2013 | Polaris 2004 Sportsman 400

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