X(just did top end rebuild before the buid it would not idle, now when i crank it it revs up probably50%, dosent matter where i set any of the adjustment screws,a guess both air and fuel screw supposed to be 1 1/2 turns out? ican screw both all way in and it still revs, the throttle cabe is free no binds anywhere,all clamps on boots are tight, what the hell is going on, also i dont understand the idle adjustment, the big ass screw on top of the slide? its screwed all way down, please help