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
1960 Argentine Grand Prix a suspension failure while leading, and took over Maurice Trintignant's Cooper, but was not awarded points for third place as a result of the shared drive, a rule that had been in place since 1958. Venezuelan driver Ettore Chimeri participated in his only grand prix. He was killed two weeks later driving a Ferrari 250 TR in Havana. He was the first driver from his country in Formula One, and the last until Johnny Cecotto in 1983. It was the only grand prix appearances for Antonio Creus, Alberto Rodriguez Larreta and Roberto Bonomi. It was also the last grand prix