Raced the Shasta Dam HS and in the first water crossing my engine died, just like I had turned off the motor, no hesitation. Water was boot top deep and I was motoring thru in 1st. While in the water I tried to start it and it would start for a second then die again. After pushing our of the water it finally started but would hesitate, blubber and die again. After a few minutes I was able to continue but for the next 10 to 15 min it continued to hesitate. Seemed to clear out after that. The air filter and box didn't seem wet, I dont think I splashed enough water in the air box to cause this. The snorkel is removed. Stock air filter. Re jetted with WB E2 pipe. Never had any problems prior even at high altitude. Any idea's or solutions? Thanks!!!