recently tried to adjust the air screw on stock carb and it was seized. needless to say it's now all boogered up. has anyone tried or rather successfully drilled out and replaced one of these yet?? what size bit? and what is the thread count because more than likley gonna chew them up in the process. OR if anyone has a stock carb they want to sell cheap pm me THANX [img]i/expressions/face-icon-small-confused.gif[/img][img]i/expressions/face-icon-small-frown.gif[/img][img]i/expressions/face-icon-small-confused.gif[/img]