I have a2012 800s two seat rzr I went riding two weekends ago rode all day rzr ran fine started back to camp riding around the edge of the lake the passenger side slide off in the lake about gas tank deep shut off rzr my buddy came back and pulled me out I started rzr up too help him get me out he was getting stuck so I turned off my rzr to let him get to wear he could pull me out he pulled me out now it wont start. pulled spark plugs changed spark plugs drained gas out put new gas in it checked relays and fuses still turn over like crazy but will not fire up. everything I have read says the crankshaft sensor is out I would really appreciate any help thanks.