Polaris sportsman 400 4x4 backfired and now wont start

Jeremiah said:

Polaris sportsman 400 4x4 backfired and now wont start



I'm new here and I'm puzzled and hurting my brain watching video after video online and on YouTube trying to figure out what happened to my 1994 polaris sportsman 400 4x4 been running awesome with no problem went to give it a simple tune up new oil change grease all fittings flush radiator and here is the big problem went to put the new spark plug in brand new from auto zone where I get all my dirt bike and atv parts checked the gap with that fancy Lil Keychain gauge got the gap correct as I have several times over the years put it in went to start it and boom sounded like someone fired an ammunition gun shot of in the shop it was so loud the wife and son came running out of the house to see what happened and now it won't start for nothing it's getting fire fuel the whole works just won't start up and run and it's driving me crazy trying to figure out what happened and how to fix the issue any advice would be greatly appreciated please I'm bout ready to throw a match to it

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