AJS 7R 1948 - 1963
AJS 7R (1948 - 1963) Description & History: The 350cc AJS 7R was a racing motorcycle built from 1948 to 1963. In the beginning, the 7R was not too powerful, producing 32HP at 7500rpm. In 1956 the engine dimensions changed from the original long-stroke 74 x 90 mm to the 75.5 x 78 mm. In 1951 there was a version called AJS 7R3, with 36HP and a mellow tuning of the bike increased its power to 40HP in 1954. The AJS 7R could reach a top speed of 110-115 mph.