1981 Grand Prix motorcycle racing season developed in the 1950s, to aluminium frames featuring large, twin beams as first pioneered by Spanish constructor, Antonio Cobas. The following Grands Prix were scheduled to take place in 1981: Points are awarded to the top ten finishers. A rider has to finish the race to earn points. 1981 Grand Prix motorcycle racing season The 1981 Grand Prix motorcycle racing season was the 33rd F.I.M. Road Racing World Championship season. Suzuki riders Marco Lucchinelli and Randy Mamola battled it out to the final race of the season with the Italian rider claiming the crown and Mamola finishing runner-up for the
2005 Speedway Grand Prix being the Great Final), and all 16 received a constant amount of points for a given place in a tournament (irrespective of how many points they had earned). For the 2005 season, there were 15 permanent riders, joined at each Grand Prix by one wild card. They were, in rider number order: Result: Europe • Sweden • Slovenia • Great Britain • Copenhagen • Denmark • Scandinavia • Poland • Italy 2005 Speedway Grand Prix The 2005 Speedway Grand Prix season is the 11th season in the Speedway Grand Prix era and is used to determine the Speedway World Champion.