I recently purchased a 2006 kfx 400. After having it out 1 time i have run into some issues. I was riding for about 45 minutes and the quad just died and would not restart. i pull out the oil dipstick and it was overflowing, i believe that gas got into the oil???? after about 30 minutes the quad fired back up so i just drove back home in 2nd gear but on the way it died out 2 more times and would not restart for at least 20 minutes. now after sitting for the day it wont even fire up??? i am thinking maybe it has something to do with the carburator but not sure. any advice would be greatly appreciated. thanks ahead of time!