This is a factory Kawasaki service manual, issued 1971. It covers all phases of repair and maintenance of the 3 cylinder, 2 cycle 500 H1 and 350 S2 bikes. It contains many photographs, wiring schematics, a section on trouble shooting, and tech specs, in 125 pages. This book has a lot of finger smudges ,and a few stains, but is otherwise in very readable / usable contition. If you have any questions or comments please free to e-mail me. Thanks