Small Engines (Lawn Mowers, etc.): Crafsman Mini Roto tiller, craftsman mini tiller, roto tiller

Question
I have a Craftsman mini tiller with a Tecumseh engine which I have a question regarding carburation. I just rebuilt the carb, it starts fine and idles fine, when you apply speed it bogs down and seems to be running at half power. Could you tell me is there a high speed adjustment? or is the idle speed adjustment screw the only adjustment. Thanks Dave Collins

Answer
I need model number to identify the carburetor.  How old is the trimmer?  How much has it been used?  

If the tiller is an older model it might not hurt to check the muffler and exhaust port.  If the muffler or port gets stopped up the engine will not breathe and it will not accelerate.

Let me know if this helps.
Eric