Originally Posted by 4 seasons lawn&land
thought the carb would have come within adjustment. Never done it. Where are the screws?
As fish said it is more likely the ports dirty unless this is a newer unit. Can't preset carb for all the conditions in the world. As these little engines wear you need to adjust between seasons to get best performance. And coming out of the epa test they are set so lean that it is a wonder that they start as good as they do.