I have a used Craftsman Lawn Tractor. Last summer it worked fine. Now, when I am cutting the grass, it shuts off. It will idle without the blades engaged. As soon as I put it in gear or engage the blades, it shuts off. I have replaced the inline fuel filter and it has fresh fuel in it. Any ideas?

Unless the carb is near perfect most all riders will die when you try to take off, or engage the blades at idle speed.