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
British Grand Prix in . It and the Italian Grand Prix are the only two Formula One World Championship Grands Prix that have been staged during every season that the championship has been held. It was designated the European Grand Prix five times between 1950 and 1977, when this title was an honorary designation given each year to one Grand Prix race in Europe. All British Grands Prix dating back to 1926 have been held in England; where the British motor racing industry is primarily located. Since 1948, it has been customary that the winner of the race is awarded the British Grand