Your idle air screws are out of adjustment. Run all in then back out 1/2 turn to start with. Back them all out at 1/8th increments until running right. Bait956 check for correct sparkplugs. Champion only. Try the pump up the bulb, turn key just to on, hold choke in to a count of 10, start it. Some times it is necessary to quickly bump the choke in when it tries to die.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD