Hi gjefers

You were right. I leaned out the bottom end of my saito 100 and it ran great. I flew 3 flights withthe cowl off and it ran great, no dead sticks. I installed the cowl and flew one more time, again while idling for an extended period it flamed out. Could this be a heat problem. I have a very large section of the front of the cowl cut out and the bottom cut out.