It's working now, but I cannot identify exactly what the problem was.

Ed Smith, my questions are legitimate. Are you referring to my "choke the carb" question? If so this is a cowled plane so I cannot put my finger over the carb and I was wanting to know if there was another way to choke it. For example, would plugging the muffler, in some small way, accomplish the same method of troubleshooting? I'm not a motorhead (bet you couldn't tell) so I just need some clarifications from time to time when it comes to these small engines.