Crank seems fine. There is a hairline crack running along the width of the bearing (see picture). I'd guess it's this crack that made it possible for the chunk off the side to fall out, by the looks of it. You can also see the side chunk that came off creeks over and is at the edge of where the bearing meets the crankshaft. Sooooo, given what's going on here, can I run it the way it is or should I not run it until I can change that bearing? I don't want to damage anything, but maybe these things are insignificant? Will it likely continue to disintegrate and then cause major damage? I'm thinking so, but I have no idea what's okay and what's not in an engine like this. Maybe it doesn't matter much? Maybe I can run it a little yet this year at the shows and what not, but address it this winter? Any advice would be greatly appreciated as I have no idea what's normal and within tolerances for these kinds of engines. Also, there has to be another chunk of lead somewhere in the crankcase, but I have not idea where. I'll try draining the oil to see if it's in the pan, but if it's not, not sure how I find it without taking it all apart. I don't like the idea of that in there somewhere, but I guess that likely it'll just sit in a low spot somewhere and may not disturb anything. I hope. Thanks.
Edited by jtrojek, August 12, 2015 - 08:14 AM.