This workshop service repair manual provides comprehensive guidance for AJS and Matchless motorcycles manufactured between 1957 and 1966. These iconic British machines, known for their robust engineering and performance, spanned a significant era of motorcycle development. The manual covers a diverse range of models, including the lightweight 250cc and 350cc variants such as the G2, G5, and 14 series, as well as the heavyweight 350cc, 500cc, and 600cc models like the G3, G80, and 16 series. It delves into the intricacies of these motorcycles, offering detailed information to ensure their continued operation and longevity. This English-language workshop service repair manual is designed to be an indispensable resource for owners and mechanics alike. It offers complete factory service and repair information, covering everything from routine periodical maintenance and lubrication to in-depth engine overhaul, gearbox and clutch servicing, and front fork and rear suspension unit repairs. The manual includes detailed step-by-step instructions, hundreds of photos and illustrations, and comprehensive troubleshooting guidance for electrical systems, including components, ignition systems, and wiring diagrams. Its extensive coverage ensures that all aspects of the vehicle’s mechanical and electrical systems can be effectively maintained and repaired.