so i've been having a problem with my bike stalling at idle, (starts and runs good) and nothing i've tried has helped; new pilot jets, cleaning the pilot jet passage several times with fishing line, new fuel screw, checked acv diaphragm, aluminum hot start nut, idle/fuel screw adjustments, cleaned petcock and fuel cap.... I just recently replaced the piston and rings on it, and the cylinder had some slight scoring, but I thought It would be fine. I talked to a friend of mine who does a lot of motorcycle work, and he said he has seen cases where the scoring causes Blow by which creates a rich fuel mixture in the cylinder head causing the bike to stall. I have also noticed that ive been losing oil slowly, but have no smoke out the exhaust. I do have moisture in my airbox that seems to be engine oil. Has anybody heard of this? and is there any way I could verify this before I replace the cylinder?