I Have a 2004 Polaris sportsman 400 that wont turn over and it will turn over by the solenoid but still wont start

SOURCE: Electric Start Wont Work (Four Wheeler)

Solenoid Faulty or loose connections, short out the solenoid on its contacts and see if this throws on the starter motor, other than that it could be brushes inside the starter motor itself. Good Luck , the eti

SOURCE: I have a Polaris 700 Sportsman. It runs but will

I would say the voltage regulator since it is not charging

SOURCE: Polaris Sportsman 90 ATV With No Spark

sportsman 90 with no spark

SOURCE: 2004 polaris sportsman 700, shuts off while riding.

I have a 2004 700 carb that shut off while riding and then would start up 3-5 minutes later after many nights working on it Ifinally figured it out no help from any dealer. There are 2 circuit breakers under the front rack mine were very rusted, Replaced both never had the problem again. My situation was always only when the lights were on.
Hope this helps

SOURCE: 2004 Polaris Sportsman 400 - Engine cuts out when

well there are a couple of things that can cause this to happen. first check your oil and coolent. odd sounding i know but this can cause it. second check and make sure your cluchs are working correctly. next if all that fails then i would check the air intake for blockages and then service the carb.
reply if you need more help :)