Ok, here's the details on what I've found so far.

Ignition....no timing adjustment that I can find anywhere. If it's there, it's inside the case and I haven't opened it, so I guess I haven't changed it.

Spark plug gap.... .024

Spark plug type....CM6, just like the one that I replaced.

I did heat the case with a torch like recommended here, and the cylinder easily came out. The crank slid out with zero effort.

I chucked up the crank in an old lathe that I have with the jaws just aft of the threads, and mounted a dial indicator in the tool holder and read just in front of the crank disk. It showed .004 runout, but I think that's all in the lathe as I can rotate the crank in the chuck and move the high spot around on the crank and the amount of runout never changes...so I think the crank is straight.

The bearings look and feel fine, but I did find a lot of dark paste on the outside of the front seal of the front bearing. I'm wondering if I have just cooked out all of the grease/lubricant in the sealed nose bearing? Should I just pop both of them out and change them or is there a way to evaluate them? The sealed nose bearing feels very free, but not sloppy.

I'm thinking the main bearing is fine. It feels good and there is no discoloration from high temps on it.

Thanks again for the help!!!

What do you guys think?

K