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.
1978 Grand Prix motorcycle racing season then won his first-ever 500 cc Grand Prix with a win at the Austrian Grand Prix, quickly followed by two more victories in France and Italy to take the championship points lead. Hennen's promising career was cut short when he suffered head injuries while competing in the Isle of Man TT during a break in the Grand Prix season schedule. Cecotto won the Dutch TT with Roberts finishing ahead of a resurgent Sheene in third place. Hartog would claim the Belgian Grand Prix for Suzuki with Roberts and Sheene once again finishing in second and third places respectively. At the