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.
1986 Grand Prix motorcycle racing season time ranked him second only to Giacomo Agostini. For 125cc and 80cc, an additional post-season event on the Hockenheimring (located in the German state of Baden-Württemberg) was designated as the Baden-Württemberg Grand Prix and counted towards the championships in these classes. The following Grands Prix were scheduled to take place in 1986: Points are awarded to the top ten finishers. A rider has to finish the race to earn points. 1986 Grand Prix motorcycle racing season The 1986 Grand Prix motorcycle racing season was the 38th F.I.M. Road Racing World Championship season. A second world championship for the consistent Eddie