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
Cooper Grand Prix results drivers did not receive any points for their shared drive. Cooper Grand Prix results The table below details the complete World Championship Grand Prix results of the Formula One constructor Cooper between 1950 and 1969. It includes results from the works team as well as privately entered cars. Since the Constructors' Championship points were awarded to chassis-engine combinations rather than entrants, the table is sorted first by engine manufacturer then by entrant. [a] The Constructors Championship not awarded until .<br> [b] After Brabham retired from the race he took over the car of Mike MacDowel.<br> [c] After Moss retired from