Austrian GP: Pier Paolo Bianchi, Hans Müller, Rino Pretelli, Eugenio Lazzarini, Marc Constantin and Jean-Louis Guignabodet stage a sit down strike on the grid before the scheduled 125cc race.
Pier Paolo Bianchi, Hans Müller, Rino Pretelli, Eugenio Lazzarini, Marc Constantin and Jean-Louis Guignabodet stage a sit down strike on the grid before the scheduled 125cc race.