Most successful Motorcycle Grand Prix rider of all times. Won 15 FIM
Motorcycle-Grand Prix Worldchampion titles (8 in 500cc (1966-1972 on MV
Agusta, 1975 on Yamaha) and 7 in 350cc (1968-1973 on MV Agusta, 1974 on
Yamaha), 122 Motorcycle Grands Prix, 12 Isle of Man TT crowns; Daytona
200 Winner 1974.