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
2004 Speedway Grand Prix 7, 7, etc. Places after 8th place were awarded according to the time a rider was knocked out and, secondly, according to position in the last heat he rode in. The 2004 season had 22 permanent riders and two wild cards at each event. The permanent riders are highlighted in the results table below. Calendar 2004 Speedway Grand Prix The 2004 Speedway Grand Prix season is the tenth season in the Speedway Grand Prix era and is used to determine the Speedway World Champion. After finishing second in 2001, 2002 and 2003, Jason Crump broke through to become Australia's first