Honda CD175 were made only parts of three production years late 1968 through 1970. It is labeled K3, although there were really only two models of CD175 and they had two different engines. One was a "sloper" installed at angle, the later model had a more traditional configuration.
Tis manual is in nearly new condition. It is must for tuneups, and it has a fold out wiring diagram.
This is a rare model and a very rare manual. is the only one I have ever had for sale.