I had a hard time finding this online for free.
This manual is for the following models: Kawasaki KZ CSR 250 1979 Kawasaki KZ CSR 250 1980 Kawasaki KZ CSR 250 1981 Kawasaki KZ CSR 250 1982 Kawasaki KZ CSR 305 1981 Kawasaki KZ CSR 305 1982
Click here to download.
Enjoy