bore work

Hey guys, I haven't posted in a while but I've been lurking in preparation for the top end rebuild of my 1980 CB400T. When I got the bike running last summer, I knew it had plenty of blowby but I got a good year out of it until now, when I figured it would be a good time to freshen it up. The...

I've been avoiding going through the top end on a '73 cb350 twin whos left cylinder has glossed over with oil and burning white smoke. The right side runs like new but the left (from using the side stand most likley) is no bueno no mass. This tells me that the rings aren't wiping right and...