1983 Grand Prix motorcycle racing season championship. In a fitting end to a successful career, Roberts won his last-ever Grand Prix race, however Spencer was able to secure second place to claim the world championship. The two riders dominated the season with each claiming six victories and six pole positions in the 12 race series. The following Grands Prix were scheduled to take place in 1983: Points are awarded to the top ten finishers. A rider has to finish the race to earn points. 1983 Grand Prix motorcycle racing season The 1983 Grand Prix motorcycle racing season was the 35th F.I.M. Road racing World Championship season.
2009 Grand Prix motorcycle racing season points. Points are awarded to the top fifteen finishers. Rider has to finish the race to earn points. † Half-points awarded in Qatar, as the riders did not complete the sufficient distance for full points. † Following Loris Capirossi's engine change, Suzuki was given a ten-point penalty in the constructors' championship at the Australian Grand Prix because of the new for 2009 MotoGP engine change limit rule which restricts each rider to five engines for the final seven rounds. † Half-points awarded in Qatar, as the riders did not complete the sufficient distance for full points. 2009 Grand Prix motorcycle