Motor will start in the tank but not stay running. Had some serious spitting and puffing. Adjusted low speed jet and smoothed out some but still stalling. Found with choke on that I could keep it running by pumping tank. With motor off I was pumping tank to see if I could see where I may be loosing pressure having had this happen before with a cracked line. I heard some noise around carb and I noticed the pump never seems to harden up as before. As I tried to figure out where noise was coming from as I pumped tank I seen gas coming out a small hole on side of carb. Suspect float/needle stuck allowing constant gas to carb. Don't understand why pumping keeps it running unless it is a pressure thing. Any idea's before I start digging into the carb??