Donny’s Unauthorized Technical Guide to Harley-Davidson

Peterson

Donny’s 740-page book, Donny’s Unauthorized Technical Guide to Harley-Davidson, 1936 to Present: Volume I: The Twin Cam, guides the reader on a surefooted journey to a thorough understanding of the H-D Twin Cam. Petersen’s insight paired with hundreds of graphics, pictures, and charts makes complicated technical subjects easy to grasp, especially for the motorcycle novice. […]