who knows how to unravel the mystery of motorcycle vin numbers? Specifically a Kawasawki kd80!
Check out this site.
Seems to have all the lowdown on decoding your VIN.
Welcome to the SDMB!
OK, I lied. Got a little hasty there. According to http://www.buykawasaki.com, you can call 959-460-5688 and get info, or become a member at buykawasaki and enter your VIN online. In my experience the way to decode your VIN is in the shop manual for that model.