His 19 goals in the 1967-68 season, including two in a 4-3 win over Newcastle on the final day, were crucial as City finished two points clear of city rivals Manchester United to be crowned champions - the last time they won the title.
Despite his success with City however, Young never followed team-mates Francis Lee, Colin Bell and Mike Summerbee into the England team.
After 13 years with the club and with his first-team chances dwindling, he signed for Preston in 1972, playing at Deepdale for two seasons before retiring after a brief spell with Rochdale.
"He will be sadly missed by his wife Carmen, family, friends and everyone connected with Manchester City," read a statement on City's website.
The players donned replicas of the shirt worn in the 1969 FA Cup final while the visiting fans, many of whom wore red and black scarves, turned their backs on the action in the 24th minute - the time of Young's FA Cup-winning goal.
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