MotoGP is the premier class of world championship motorcycle road racing. It was introduced in 2002 as the successor to the former premier 500cc class championship, changing the regulation to under-500cc 2-stroke machines or under-990cc 4-stroke machines. Today, the championship is contested on under-1000cc 4-stroke machines. global.yamaha-motor.com/yamahastyle/movingyou/ (English) global.yamaha-motor.com/jp/yamahastyle/movingyou/ (Japanese)