got it back and the thing is running just AWESOME!! They had to completely strip and soak the carb and had to replace some fuel line. I'm planning on only running non-ethanol, which I can find pretty easily and some seafoam for cheap insurance. Hopefully this doesn't need to be done again, but for now I'm very happy. In hindsight, I could have maybe done it myself, but since this is my first sled, it gave them an opportunity to go over everything else to make sure all is good to go.