Pull 1 plug wire with idle turned up to maintain the idle and adjust the other cyl. Turn screw in until it runs rough then out until it runs rough then set the screw 1/2 way between those points. Repeat for other side. If you need much more than 3 turns out you will need a larger pilot jet.

I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!