Afterwards, he returned to racing in the late 1940s as a member of the AJS factory racing team. He competed privately at the first post war Cadwell Park meeting, on a Norton 350, and won. In 1947, on an AJS Porcupine, he managed 9th place in the Senior Isle of Man TT In 1948 he managed a seventh in the Junior, but did not finish in the Senior. That year at Montlhery, Jock West, Les Graham, and French rider Georges Monneret broke 18 world records at speeds between 107 and 111 mph.