1950 Grand Prix motorcycle racing season best four results counted. 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
1960 Argentine Grand Prix a suspension failure while leading, and took over Maurice Trintignant's Cooper, but was not awarded points for third place as a result of the shared drive, a rule that had been in place since 1958. Venezuelan driver Ettore Chimeri participated in his only grand prix. He was killed two weeks later driving a Ferrari 250 TR in Havana. He was the first driver from his country in Formula One, and the last until Johnny Cecotto in 1983. It was the only grand prix appearances for Antonio Creus, Alberto Rodriguez Larreta and Roberto Bonomi. It was also the last grand prix