Helmut Kassner
Helmut Kassner is a German former professional Grand Prix motorcycle road racer. His best season was in 1974 when he won the [German motorcycle Grand Prix|350cc and 250cc Germans|German Grand Prix]. The German round was boycotted by the top racers over safety concerns due to a lack of hay bales at the Nürburgring race circuit. He is the younger brother of Horst Kassner.