World Championship Motocross Racing/All Japan Road Race & Motocross History
1989 Yoshimura rider Doug Polen becomes the first rider in All Japan Championship history to win double titles, in TT-F1 and TT-F3 classes. Final season of Suzuki entry in the TT-F3 class.
1987 Tsujimoto begins full entry in AMA Superbike series. Yoshimura rider Yukiya Ohshima becomes All Japan TT-F1 class champion, making GSX-R750 a 3-year consecutive title winning machine.
1986 Yoshimura rider Tsujimoto wins 2-year consecutive All Japan Championship Road Race TT-F1 class title.
1985 Tsujimoto Satoshi newly joining Yoshimura wins All Japan Championship TT-F1 class title on new machine GSX-R750. Kevin Schwantz makes first appearance, a spot entry in Suzuka 200-km TT-F3 class.
1984 Michele Rinaldi wins World Motocross Championship GP125 class title. Suzuki retains champion title in this class for ten consecutive years.
1983 Geboers becomes GP125 class champion and Jobe becomes 250cc class champion in the World Motocross Championship.
1982 Road racer RGB500 is marketed. Masaru Mizutani on his RG Gamma wins seven consecutive rounds and becomes All Japan 500cc class season champion. Eric Geboers becomes World Motocross Championship GP125 class champion, making Suzuki 8-year consecutive GP125 class champion.
1981 Road racer RG500 is introduced to the Japanese domestic market. Harry Everts wins 3-year consecutive World Motocross Championship GP125 class title.
1980 Harry Everts becomes GP125 class champion and Georges Jobe becomes 250cc class champion in World Motocross Championship GP.