The 125 S debuted at the Circuito di Piacenza, driven by Franco Cortese, but was unable to finish the race, despite a favorable showing against the strong Maserati 6CS 1500s.
O 125 S debutou no Circuíto di Piacenza, pilotado por Franco Cortese, pero non puido terminar a carreira, malia unha actuación favorable fronte aos fortes Maserati 6CS 1500.