Stefan Dörflinger

Stefan Dörflinger is a Swiss former Grand [Prix motorcycle racing|Grand Prix] motorcycle road racer.
Dörflinger won four consecutive FIM road racing Grand Prix motorcycle [racing">Grand Prix motorcycle racing">Grand Prix motorcycle [racing World Champions by year|world championships]. In 1982 [Grand Prix motorcycle racing season|1982] and 1983, he was the 50 cc world champion. In 1984, the FIM increased the displacement capacity to 80 cc and Dörflinger would become the first ever 80 cc world champion. He successfully defended his title in 1985. His lengthy Grand Prix career spanned 18 seasons.