I'll have to make a couple vids of my 11hp Warrior doing crazy stuff, like sloppy mud up to the pegs and even short water-skips. Yes, it will skim over water for a few feet if you hit it at the bike's full speed of about 38mph. It's pretty heavy now(prob around 150lbs) but it's putting close to 100ft/lbs of torque to the rear wheel. It powers through anything. Also makes jumping a lot easier now, since it has the torque to pop the front end up as you leave the ramp.
$300 original cost of the warrior bike, totally stock
$120 brand new B&S 1450 Series, craigslist (cracked oil pan)
$160 1" bore clutch from Heeters
$40 battery for the electrical system and e-start
$25 misc bolts/wiring connectors, ect