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
1990 United States Grand Prix Alesi gushed, "He is my hero and has been for many years." Other winners in the race were Ken Tyrrell, with two cars in the points; and Pirelli, with three points finishers. About the only down note was the tiny crowd of 15,000 that witnessed such a great show. Jean Alesi 34 laps (1–34); Ayrton Senna 38 laps (35–72). 1990 United States Grand Prix The 1990 United States Grand Prix was the opening motor race of the 1990 Formula One season held on March 11, 1990, in Phoenix, Arizona. It was the 32nd United States Grand Prix since the "American