Tags: Motorcycle Rider, Motorsport Racer.
Stefan Dörflinger (born December 23 1948 in Nagold Germany) is a Swiss former Grand Prix motorcycle road racer.Dörflinger won four consecutive FIM road racing world championships. In 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.