06xr650l I did the Daves mods drilled slide,55pilot,.026 shim under needle,tried 160main ran like shit. Now have 155 in it and it cuts out on top w.o.t. seemed a little better. Could it be possible that I need to go back to my stk 152 main. It's very hot here in Louisiana now 95-100 degrees and no air. Oh yea I blocked off emmission and pulled all the crap off, I just looped the vacum line from one vac. port on the carb to the other is this o.k.? any help appreciated.