Giacomo Agostini 1967 he battled Hailwood in one of the most dramatic seasons in Grand Prix history. Each rider had 5 victories before the championship was decided in Agostini's favor at the last race of the season. Agostini dropped a bombshell on the Grand Prix world when he announced he would never again race at the Isle of Man TT, after the death of his close friend, Gilberto Parlotti during the 1972 TT. He considered the 37 mile circuit unsafe for world championship competition. At the time, the TT was the most prestigious race on the motorcycling calendar. Other top riders joined
Kenny Roberts racing, where the Yamaha TZ750 was the dominant motorcycle of the era. In the 1974 Daytona 200, after early leader Gary Nixon retired, Roberts battled for the lead with former 500 cc world champion, Giacomo Agostini before an overheated engine forced him to settle for second place. In April 1974, Roberts ventured to Europe for the first time to compete in the prestigious Imola 200 road race for 750 cc motorcycles. He made a positive impression competing against the best road racers in the world, once again finishing second to Agostini. He then traveled to England with a team of