Yamaha Wins Three World Championships | Video

Yamaha Grand Slam

Click video to see Yamaha earned 3 World Championship road-racing titles in just one day. On October 25th, 2009: Valentino Rossi won the MotoGP Championship, Ben Spies won the World Superbike Championship and Cal Crutchlow won the World Supersport Championship. This is an amazing accomplishment by Yamaha.


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