2025 Harley-Davidson Fat Boy Gray GhostHarley-Davidson has today unveiled the Fat Boy Gray Ghost, the fifth entry in its exclusive Icons Motorcycle Collection. Production of the Fat Boy Gray Ghost will be strictly limited to 1,990 units globally — a number that honours the debut year of the original 1990 Fat Boy. The Fat Boy has always made a bold statement, and the Icons Collection Fat Boy Gray Ghost turns up the volume. Harley-Davidson Fat Boy Model Timeline1990: The Fat Boy model debuts in one colour, Fine Silver Metallic, powered by a rigid-mounted Evolution V-Twin engine. 1991: The Fat Boy motorcycle entered popular culture with its featured appearance in the motion picture “Terminator 2: Judgment Day,” in which actor Arnold Schwarzenegger rides a Fat Boy motorcycle through Los Angeles in a dramatic chase scene.