High Quality Content by WIKIPEDIA articles! The 1962 Grand Prix motorcycle racing season was the 14th F.I.M. Road Racing World Championship Grand Prix season. The season consisted of eleven Grand Prix races in six classes: 500cc, 350cc, 250cc, 125cc, 50cc and Sidecars 500cc. It began on May 6, with Spanish Grand Prix and ended with Argentine Grand Prix on October 14.