The AJS 7R RACING Model, produced between 1949 and 1964, represents a legendary British racing motorcycle renowned for its performance and engineering prowess. Often referred to as the 'Boy Racer', this single-cylinder, four-stroke machine, typically displacing 349cc, achieved significant success in Grand Prix racing throughout the 1950s and early 1960s, securing numerous victories. Its design emphasized top-end power, featuring a close-ratio four-speed gearbox, a wet multi-plate clutch, and often a dry sump lubrication system. The 7R's legacy is built on its competitive edge and the dedication of its riders and mechanics in optimizing its capabilities for various racing circuits.

This manual provides comprehensive instruction sheets and technical guidance for the AJS 7R RACING Model. It covers essential areas including engine overhaul, tuning, carburetor and ignition system adjustments, lubrication, and cooling systems, alongside chassis, suspension, braking, and control mechanisms. Detailed procedures for routine maintenance, component disassembly and assembly, part replacement, and performance tuning are included. The manual also addresses troubleshooting common issues and offers specific technical details relevant to racing mechanics and enthusiasts, ensuring the continued optimal performance and longevity of this iconic racing motorcycle.