 After ordering two Norton Manx motorcycles before leaving Rhodesia for the 1951 Grand Prix motorcycle racing season, Amm discovered on arriving in Europe that they would not be delivered until the start of practice for the 1951 Isle of Man TT Races.To practice on short circuits before the Manx Nortons where delivered, a 'hack' 7R AJS motorcycle was purchased and Ray Amm won the 350 cc class at a Peveril M.C.& L.C.C.