Could be a fuel line leak. You can take the cover off and squeeze the fuel bubble and see if it's leaking under the cover. If it has a leak the motor will suck the air easier than the fuel. That might be why there is fuel in the bottom of the motor. Just a guess though.
2015 Nitro Z8 w/250 Pro XS
PB 10 lbs, 4oz at Alan Henry, 06/23/16. 11:30am.