Question about Polaris ATV
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
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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Posted on Jan 02, 2017
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.
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Posted on Feb 14, 2010
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
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
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
SOURCE: 1998 Polaris Sportsman 500 ATV
Check the gap on the pickup on your fly wheel in front of the stator. mine loosend up and had too big of a gap. i had no fire. once i adjusted it . closed it a little. a had fire again.
Posted on Aug 16, 2011
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