I went this morning to a friend of mine who works at a local chainsaw shop.He replaced the diaphragms of the carb and he told me the same thing as you,2 turns for the hi and 2-2.5 for the low.I came home,put the carb on the saw but it never worked.It leaks a lot of black mix out of the exhaust and at full throttle it bog down.I tried many settings,nothing worked.I turn the hi at about 1 turn,it runs at full throttle and no mix from the exhaust but it does not idle.
And something else.The carb has 2 screws,one for hi,one for low.One is shorter from the other.Which one is for low,the shorter one or the longer one?I am asking because i am assuming that maybe i mistook them