I am sure Spaw or John or someone will be along and know what to do, but, in the meantime, a 2-sroke gennie? Gosh, that's the first time I have ever heard of one. And, you say there are no mix screws on the carb????

So... here's the number one dumb question. Can you plug the oil feed and put mixed gas in the tank? And , here's the dumb reasoning. If she's hunting, perhaps it's the constant oil feed rate screwing it up?