This comprehensive instruction manual covers the AJS 16, 16S, 18, 31, 31CSR motorcycles manufactured in 1963. It provides detailed information on all aspects of the motorcycle, including the carburetor, controls, electrical equipment, engine, forks and frame, transmission, wheels and brakes. The manual also includes sections on lubrication, maintenance, repairs and service, spare parts, tools and special equipment, and a comprehensive index. This manual is an essential resource for anyone who owns or works on an AJS 16, 16S, 18, 31, or 31CSR motorcycle. It offers valuable information for both routine maintenance and more complex repairs, ensuring that your motorcycle runs smoothly and reliably.

The AJS 16, 16S, 18, 31, and 31CSR motorcycles represent a diverse range of models produced by AJS Motorcycles, a British manufacturer with a rich history dating back to the early 20th century. The 16 and 16S models, introduced in 1963, were lightweight and agile machines designed for everyday commuting and recreational riding. The "S" denoted a "Sports" model, featuring a slightly more powerful engine and a sportier aesthetic. The 18 model, also introduced in 1963, was a step up in size and power, offering a more substantial ride. It was known for its robust construction and reliable performance, making it well-suited for both commuting and touring.

The 31 and 31CSR models, introduced in the mid-1960s, were the flagship offerings from AJS, showcasing the brand's commitment to performance and innovation. The 31 was a versatile machine offering a blend of power and comfort, while the 31CSR (Competition Sports Road) was a dedicated performance model, designed for competition and sporting riding. Both models featured advanced features for their time, including telescopic front forks and a powerful 500cc engine. The AJS 16, 16S, 18, 31, and 31CSR motorcycles showcased AJS Motorcycles’ capabilities in building quality and reliable machines that appealed to a diverse range of riders, from everyday commuters to sporting enthusiasts. Despite facing intense competition from other British and international manufacturers, the brand enjoyed a loyal following and contributed significantly to the rich heritage of British motorcycling.