First off the thing is obviously cranking right is there smoke coming out the exhaust? If not make sure there is fuel in the fuel filter sight glass if not it broke prime ran out of fuel? If there is fuel and no smoking more than likely its the fuel soliniod on the fuel pump it has three wires going to it ground power and a pull in wire they go bad and can't get enlightenment amperage to pull it in any other questions email I can walk you through it hope it helps