Valentino Rossi is an Italian racing driver, former professional motorcycle road racer and nine-time Grand Prix motorcycle racing World Champion. Nicknamed The Doctor, he is widely considered to be one of the greatest motorcycle racers of all time. Rossi has nine Grand Prix World Championships, seven of which were in the premier 500cc/MotoGP class. He holds the record for most premier class victories, with 89 to his name. He won premier class World Championships with both Honda and Yamaha. He is also the only road racer to have competed in 400 or more Grands Prix, and rode with the number 46 for his entire career.

Yamaha Motor Co., Ltd. is a Japanese mobility manufacturer that produces motorcycles, motorboats, outboard motors, and other motorized products. The company was established in the year 1955 upon separation from Nippon Gakki Co., Ltd. and is headquartered in Iwata, Shizuoka, Japan. The company conducts development, production and marketing operations through 109 consolidated subsidiaries as of 2012.