looks like it may be something with the fuel delivery. Everything else seems in order but I spent 30 mins trying to get the thing to start and it just wouldn't turn over. I put 5 extra gallons of gas in (10 total) and jacked up the rear so it was nose down and got it to start. It ran like crap and felt like it was struggling to stay running. If i held the idle at 1200-1300 rpms it would stay running. Letting it just idle by it's self it would run down to 600 sound like it was going to die then run it's self back up to 1100 for a few seconds before it went through the cycle of winding down then up. Maybe the fuel filters are clogged up?