Career
His best years were the 1968 500cc world championship season, when he rode a Matchless motorcycle to third place behind Giacomo Agostini and Jack Findlay, then in 1969 when he finished second to Agostini, this time riding a Linto. Points system from 1950 to 1968:
Points system from 1969 onwards:
(key) (Races in bold indicate pole position. Races in italics indicate fastest lap).