I found your PM. You said....

Yes I am down on this engine, and yes, I currently own one. I've had it since May '08, replaced the carb with one from a Super Tigre, and it's been OK, but still behaves in such a way that it doesn't give a warm and fuzzy feeling when I fly it.

If you don't like it, why not dump it and move on? Life is short and you obviously are not enjoying the hobby with this $50 engine. As for denouncing other people's problems or opinions, I have offered possible explanations for some people's trouble and have passed along my first hand experience. I went on to suggest that if there were problems with this engine, I dont think there are now and that if someone buys one from Sig after the date I bought mine and has trouble that I would encourage them to send it to me. I'm sorry this thread sits so wrong with you. I say again, why not just stop reading it?