WOULD SOMEONE WHO HAS A CARB SCREWDRIVER FOR THE 400EX TELL ME WHAT BRAND IT IS AND WHERE THEY GOT IT A PART NUMBER WOULD BE GREAT PLEASE HELP A FELLOW EX'ER OUT I NEED TO GET THIS CARB WRITE SO I CAN OUT RUN THOSE RAPTORS AND BANSHEES ON THE TRACK. SOME HELP WOULD BE GREATLY APPRECIATTED. THANKS

P.S. I AM TRYING TO ADJUST THE FUEL MIXTURE SCREW TO GET THE JETTING FINE TUNED.