Casey Stoner of Australia (L) and Dani Pedrosa of Spain (R) coming down the corkscrew during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner placed first as Pedrosa placed third. EPA/JOHN G. MABANGLO
Kenny Roberts of the US rides an exhibition lap the Yamaha YZR 500 between races at the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011.'King Kenny' Roberts won the 1980 World Championship on the YZR 500 Yamaha. EPA/PAUL BUCK
Nicky Hayden of the U.S. acknowledges the crowd after finishing seventh in the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. EPA/JOHN G. MABANGLO
Jorge Lorenzo of Spain taking turn nine during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Lorenzo placed second in the race. EPA/JOHN G. MABANGLO
Kenny Roberts of the US wheelies during an exhibition lap the Yamaha YZR 500 between races at the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011.'King Kenny' Roberts won the 1980 World Championship on the YZR 500 Yamaha. EPA/PAUL BUCK
Jorge Lorenzo of Spain (L) leads Dani Pedrosa of Spain (C) and Casey Stoner of Australia (R) in early laps at the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner overtook Pedrosa and then Lorenzo to take the win. EPA/PAUL BUCK
Jorge Lorenzo of Spain takes turn nine during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Lorenzo placed second in the race. EPA/JOHN G. MABANGLO
Valentino Rossi of Italy takes turn nine during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. EPA/JOHN G. MABANGLO
Casey Stoner of Australia taking turn nine during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner placed first in the race. EPA/JOHN G. MABANGLO
Casey Stoner of Australia (R), in second place ahead of Repsol Honda teammate Dani Pedrosa of Spain (L), speeds out of turn 11 en route to winning the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner overtook Spaniard Jorge Lorenzo in the last laps to take the win. EPA/PAUL BUCK
Casey Stoner of Australia (L) leads in the final laps ahead of Jorge Lorenzo of Spain (R) during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner place first and Lorenzo placed second. EPA/JOHN G. MABANGLO
Casey Stoner of Australia (L), in second place, sets his sights on leader Jorge Lorenzo of Spain (R), in turn 11 at the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner overtook Lorenzo in the last laps to take the win. EPA/PAUL BUCK
Casey Stoner of Australia takes turn nine during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner placed first in the race. EPA/JOHN G. MABANGLO
Jorge Lorenzo of Spain (L) takes an early lead ahead of Dani Pedrosa of Spain (C) and Casey Stoner of Australia during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner took the lead in the final laps to win the race with Lorenzo placing second and Pedrosa placing third. EPA/JOHN G. MABANGLO
Valentino Rossi of Italy takes turn nine during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. EPA/JOHN G. MABANGLO
Jorge Lorenzo of Spain (L), second-place, pours champagne on first-place finisher, Casey Stoner of Australia (C) as third-place finisher, Dani Pedrosa (R) looks on during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. EPA/JOHN G. MABANGLO
Casey Stoner of Australia makes his way down the corkscrew on the final lap during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner placed first in the race. EPA/JOHN G. MABANGLO
Casey Stoner of Australia takes turn nine during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner placed first in the race. EPA/JOHN G. MABANGLO
Casey Stoner of Australia (C), first-place, Jorge Lorenzo of Spain (L), second-place, and Dani Pedrosa of Spain (R), third-place pose on the winners podium during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. EPA/JOHN G. MABANGLO
Casey Stoner of Australia takes off his gloves in the paddock area after winning the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner overtook Spaniard Jorge Lorenzo in the last laps to take the win. EPA/PAUL BUCK
Casey Stoner of Australia (L) and Dani Pedrosa of Spain (R) spray champagne on the podium during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner placed first as Pedrosa placed third. EPA/JOHN G. MABANGLO
Casey Stoner of Australia (R) sprays champagne towards Jorge Lorenzo of Spain on the winners podium during the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner place first and Lorenzo placed second. EPA/JOHN G. MABANGLO
Casey Stoner of Australia sprays champagne on fans after winning the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner overtook Spaniard Jorge Lorenzo in the last laps to take the win. EPA/PAUL BUCK
Casey Stoner of Australia (R) and Jorge Lorenzo of Spain (L) speak following the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner overtook Lorenzo in the last laps to take the win. EPA/PAUL BUCK
Casey Stoner of Australia is all smiles after winning the US Grand Prix at Mazda Raceway Laguna Seca in Monterey, California, USA 24 July 2011. Stoner overtook Spaniard Jorge Lorenzo in the last laps to take the win. EPA/PAUL BUCK