 Despite many offers Amm finally moved from the works Norton motorcycles to the factory MV Agusta racing team.The debut race for Amm and MV Agusta was to be the 1955 Easter Monday race meeting at the Autodromo Enzo e Dino Ferrari in Imola, Italy.Riding a 350cc four-cylinder MV Agusta in the Coppa d'Oro Shell Race, Amm lost control at the Rivazza Corner as he pursued Kavanagh and crashed in slippery conditions and died of his injuries on the way to hospital.