will have to try it again ,3rd times charm they say i went with big bore kit from bailys , threw money out in the snow i guess, i would say its my fault , after big bore kit was in place saw ran perfect only thing i could see it was little ruff at idle. ,that was it .thought maybe from big bore kit, no hesitation, at all , screamer i have no way to check seals , i ran 3 tanks threw it with no indecation anything was wrong it was powerful for those three tanks. was cutting up 28 " tree loggers left behind . i know my spelling sucks and so does my saw building ANY IDEAS? ??????:bang: :bang: i have to go down to shed see if it will turn over after it cools some . i have a few rebuilds under my belt cant for life of me figue out what happened ran good