Thanks Mike Sal. I am hoping it is not a cracked block. I could see aluminum "moving" when hot more so than hard bearings. I'll be tearing into it today and will let you know what I find.
I have a Carter model N on this thing. I had the jets set at about 1 3/4 turns for the high speed and well over 2 for the low speed. Most small engines I work on have a 1 and 1 1/2 setting. I am theorizing the gap in the crank is causing the motor to suck too much air, perhaps leading to the what seems to be extra rich carb settings? It is bogging before dieing, wont rev up after about ten mins. Don't think it is locking up though. One of the more frustrating little two strokes I've struggled with.
Anyone know the settings for a Carter N?
Btw, thanks Rick for the offer on the photos. I'm going to have my dad try to talk me thru the procedure first, so maybe I can remember for future ref. My computer is on its last leg too, and does and doesn't do certain operations for me these days, so I'll let you know. I was basically gonna post those photos I sent you the other day if you still have 'em.----------------Ted