So had my jetting dialed in most the way last year, just ran fat on the bottom even with 27.5 pilots. I assumed the needles and draft tubes were wore causing a rich condition. So i just replaced the slide needles and draft tubes with new oem, put 30 pilots back in. Air screw 2 turns out. Stopped and got 100ll today filled it up and wtf. Idles on th pto side only unless i choke it some, the the mag side will kick in for a bit. Took mag cab off, went through it again and same issue. Compression is at 125psi mag and 123 pto. My only thought left is to swap carb parts to see if the problem follows. Just seems odd as the only thing new is fuel, pilot jets and needles + draft tubes.