I'm usually not in the habit of posting something from another site, but this guy hit the mother load. Thought I would share the link and maybe someone can ID the Kaw's. About all I can guess on the first one is some kind of 80's LDT J motor, maybe a 750. Here's the link from my Yammay site:
www.xjbikes.com/Forums/viewtopic/t=43883.html