in 1923), was also AJS's most popular sports motorcycle throughout the 1920s. At this time, the company produced a comprehensive range of other models ranging from 250 to 1,000 cc. These were generally given a model number, plus letter to denote the year of manufacture (for example, B meant 1924, F 1925, G 1926).

In 1929 for example, the AJS range consisted of:M1 Deluxe 996 cc side-valve V-twin £76/10/0;M2 Standard 996 cc side-valve V-twin £66/0/0;M3 Deluxe Touring 349 cc side-valve single £48/10/0;M4 Deluxe Sporting