I HAVE BEEN FIGHTING THIS THING FOR A WHILE NOW. NEW GAS LINE, TANK, CLEANED CARB, NEW PLUGS. <br />THE MOTOR IS RUNNING ABOUT HALF POWER, AND IT IS MISSING. WHEN IDLING IT STAYS RUNNING BUT EVERY FEW SECONDS IT POPS. WHEN I PUT IT IN GEAR AND OPEN IT UP IT SEEMS ABOUT HALF POWER AND IT WILL RUN...