UCI Motor-paced World Championships
UCI Track Cycling World Championships in motor-paced racing were conducted between 1893 and 1992 for amateurs and 1895–1994 for professionals. These are the results: == Amateurs (1893–1992) == In 1988 Vincenzo Colamartino and Roland Renn were disqualified for doping.
Source: Wikipedia — UCI Motor-paced World Championships (CC BY-SA 4.0)