Originally Posted by jud149
There is no acceleration with partial choking and the muffler and output port are clean. There doesn't appear to be another adj. as I can neither find it on the carb nor in the carb schematic. I'll take a look at the seals this weekend. Could this be an ignition problem? Overall, the unit runs normally re starting and idling and never dies. It just wont accelerate. Thanks again for the help.
That symptom has alway been associated with getting gas. Take the plastic block off that is between the carb and cyclinder and clean out all holes in it and into the cyclinder. You can run a wire thru. Be sure you got good gaskets and they are orientated correct. That hole the I told you to run the wire thru can't be covered by the gasket. Also check to confirm that that spacer has not warped and if it has sand it down flat.
It could be the coil those things are pretty complicated. But I never had one that started a unit yet was bad.