This authoritative book elegantly written in highly digestible style by the foremost expert on the subject provides in-depth analysis of classic motorcycle race engines spanning eight decades from the 1930s Guzzi 500 120-degree twin to the latest Yamaha YZR M1 in-line four. Packed with technical detail the book provides an absorbing insight into the technology employed in a wide variety of motorcycle engines investigating the diverse approaches taken by various manufacturers over the years in the search for race-winning performance.