I bought mine a little over a month ago and it worked great until 2 weeks ago. It started right up every time and wouldn't die until i killed it or it ran out of gas. Then one Sunday it started acting retarted. It would go for a few seconds then die. I noticed that the clutch bell was locked up so i figured that the clutch or springs were bad. I called Horizon and they sent me new clutch shoes and springs. I installed them and now the clutch bell turns freely. Just as that problem was resolved I started having another problem. The carb won't pull fuel into the engine. The fuel lines and gas tank are air tight and there is nothing blocking the fuel inlet nipple on the carb. I guess there is a leak somewhere past the carb that is not allowing pressure to build and the fuel to flow but I am out of ideas. If i put fuel directly into the carb the engine will fire right up then die out. ideas???