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.
Macau Grand Prix the FIA GT World Cup for Manufacturers is presented to the manufacturer supplying the cars with a manufacturer entry with the highest number of points after addition of the points of its two best cars awarded according to the result of the Main Race. Macau Grand Prix The Macau Grand Prix (; ) is a motorsport road race for automobiles and motorcycles held annually in Macau. It is the only street circuit racing event in which both cars and motorcycles participate. The first Macau Grand Prix event was held in 1954, as a sports car event. In 1961, the title