Question about Polaris ATV

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Polaris 90 will not start...turns over but not firer

I read several threads and have taken the rectifier off and the back looks fine. We were 4wheeling and it died...now it just doesn't firer..i have another just like it...and took the spark plug out and switched them..the plug works on the other 4wheeler but i still dont have a spark..do you think the coil is bad? help

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  • 70 Answers

Coil maybe bad. lots of reasons here
cdi maybe bad i would try boot on spark plug wire first screws off and back on with new one

Posted on Dec 14, 2017

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 93 Answers

SOURCE: I have a 1989 Polaris Big Boss 4x6. Cannot get polaris to start.

Check the emergency cut off switch position and the ignition switch. Use a voltmeter to see if any voltage to the coil when unit is in ON mode. The CDI ignition might be bad. Replace as a last resort for dealer work. These run about $60.00.

Posted on Oct 01, 2009

kel1guy2002
  • 3740 Answers

SOURCE: i have an 03 polaris 330 magnum 4x4 it worked fine

Sound like the needle and seat are dirty. Also check the fuel strainer / filter for debris. Usually if the needle and seat are dirty so is the filter / strainer & bowl.

Needle and seat item(s) 24 and 24 original factory Parts manual under carb. at the dealer:

(called float valve in description)

Sounds like the float valve is either not closing or is dirty and not allowing carb to fill to the proper level. i.e causes fuel starvation AND carb over filling intermittently. You can clean the needle and still have a bad seat for the needle.

Find and replace or clean the fuel filter also. If your carb has a manifold and nut on the side of it for the fuel manifold remove the nut (actually a bolt type thing) and clean the strainer inside the manifold.

Thanks for using FixYa!

Kelly


Posted on Feb 14, 2010

  • 13 Answers

SOURCE: Polaris 500, starts fine but when you give it gas is stalls

check the exhaust lobe on the cam. these are prone to wear if oil changes are neglected. try to run it with the airbox lid removed and see if there is any change.

Posted on Feb 18, 2010

  • 18 Answers

SOURCE: 1999 Polaris 500 ATV: Battery went shot. Just use

I had a simular problem with my 99 sportsman 500 and it turned out to be my pulse coil somehow became out of alinement. The pulse coil air gap should be between0.016 to 0.040 inch, But I would start by checking the coil it should read 0.3 to 0.5 ohms. Good luck and hope this helps

Posted on Mar 27, 2010

  • 22 Answers

SOURCE: polaris 90 atv does not have spark the coil tested

check the trigger coil inside the stator cover. sometimes these go bad and will not pick up a signal from the flywheel to send to the coil for spark. you can find complete stator assemblies quite cheap on ebaymotors.com that come with the trigger coil.

Posted on Aug 07, 2010

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