I have to agree with everyone on its not Stihls fault or probelm but if the op brought the saw in because it was having these starting/running problems and the dealer looks it over and decides to lean it out more??????? Then the saw blows and the dealer tells the op he should have caught it and adjusted it before it blew???????? WTF ever!!!!!! The op brought the saw back and the "dealer" musta looked it over and determined it was the mixture setting to tell the op he should have richened it up. I wasnt there and dont know if the op's story is the way it happened but to me the dealer screwed the pooch on this and is trying to evade blame!! I understand that just because the dealer last looked at it doesnt mean what happened is his fault but to tell the guy he should have richened the saw tells me the dealer thinks it WAS the carb settings that blew the saw and the dealer was the one who screwed them up.