This comprehensive instruction manual covers a range of AJS motorcycle models manufactured between 1922 and 1927, including the H3, H4, H5, G3, G4, G5, F3, F4, F5, B, B1, and B5. The manual provides detailed guidance on various aspects of motorcycle operation, maintenance, and repair. It includes sections on driving instructions, carburetor adjustments, engine lubrication, engine adjustments and cleaning, magneto operations, point adjustment, timing, ignition troubleshooting, engine timing, gearbox disassembly, clutch adjustment, transmission operation, chain adjustments, chain maintenance and repair, head adjustments, spring fork adjustments, rear wheel adjustments, detachable wheel removal, tire repair, hub bearing adjustment, and foot starter spring replacement. The manual is illustrated with detailed diagrams to enhance understanding. The information presented is relevant for technicians and enthusiasts alike, offering a valuable resource for maintaining and repairing these classic AJS motorcycles.

The AJS H3, H4, H5, G3, G4, G5, E3, B, B1, B2, and B5 motorcycles represent a pivotal period in the history of AJS, a British motorcycle manufacturer known for its performance and innovation. These models, produced between 1922 and 1927, were a response to the growing popularity of lightweight, affordable motorcycles for everyday use. While AJS had previously focused on high-performance machines, these new models aimed to capture a wider market by offering reliable, economical transportation.

Each model within this range featured a unique combination of engine size, frame design, and features, catering to diverse rider needs. The H3, H4, and H5 models represented the top-of-the-line offerings, boasting powerful 350cc engines and advanced features like telescopic forks and Sturmey-Archer three-speed gearboxes. The G-series, including the G3, G4, and G5, offered a more affordable option with 263cc engines, while the E3 provided a smaller 250cc engine for even greater economy. The B-series, consisting of the B, B1, B2, and B5, were the most basic models, equipped with 197cc engines and simplified design elements. All these models shared a focus on durability and ease of maintenance, making them popular choices for both commuters and enthusiasts.