the problem that I am having is when I get the fuel to the carb and then turn the motor over to start the fuel wants to go back to the fuel tank. IF I put my finger over the muffler or the carb to draw fuel it will do that. I can get it started but I can't keep it running. I have turned the LSN out to very rich as well as the HSN. Motor get very hot to the touch after only a couple of minutes. How far should the LSN be to start. The HSN is about 4 turns out.