I know Hondas aren't really the deal here, but here's some scans anyway...
1970 Honda CT70h k0 brochure:
http://www.pinrepair.com/minibikes/honda1970_ct70h_k0_brochure.pdf
1970 Honda mini trails brochure:
http://www.pinrepair.com/minibikes/honda1970_minitrails_brochure.pdf
1972 Honda CT70 k1 brochure:
http://www.pinrepair.com/minibikes/honda1972_ct70_k1_brochure.pdf
1972 Honda mini trail riding tips:
http://www.pinrepair.com/minibikes/honda1972_minitrail_ridetips.pdf
1970 Honda CT70h k0 brochure:
http://www.pinrepair.com/minibikes/honda1970_ct70h_k0_brochure.pdf
1970 Honda mini trails brochure:
http://www.pinrepair.com/minibikes/honda1970_minitrails_brochure.pdf
1972 Honda CT70 k1 brochure:
http://www.pinrepair.com/minibikes/honda1972_ct70_k1_brochure.pdf
1972 Honda mini trail riding tips:
http://www.pinrepair.com/minibikes/honda1972_minitrail_ridetips.pdf