1950 Grand Prix motorcycle racing season 1950 Grand Prix motorcycle racing season The 1950 Grand Prix motorcycle racing season was the second F.I.M. Road Racing World Championship Grand Prix season. The season consisted of six Grand Prix races in five classes: 500cc, 350cc, 250cc, 125cc and Sidecars 600cc. It began on 10 June, with Isle of Man TT and ended with Nations Grand Prix on 10 September. Points were awarded to the top six finishers in each race. All rounds counted towards the championship in the 125cc and Sidecars, the best three races counted in the 250cc, while in the 350cc and 500cc championships, only the
2002 Grand Prix motorcycle racing season at the Rio de Janeiro Grand Prix, with four races left in the season. The 250cc title was won by Marco Melandri who won nine races and scored 298 points. He clinched the title at the Australian Grand Prix and became the youngest ever champion in the 250cc class. Arnaud Vincent won the 125cc title by 19 points difference over defending champion Manuel Poggiali. The title was decided in the last race of the season at Valencia with Vincent finishing in second place to secure the title. The season marked the start of a new era in the premier class