I saw some brand new CT 70 and Mini Trail 50 clones at a Good Guys show a few years ago. Here is a link to a parts site.
http://hondaminitrail.com/ct70.html
http://www.ct70honda.com/FAQ.html
Maybe it will help. I had a Mini Trail 50 and a cousin had a CT 70 as out 1st bikes.. great times on the farms.