ɪn nˈaɪntiːnhˈʌndɹɪd fˈɪfti fˈaɪv hiː dᵻvˈaɪdᵻd hɪz tˈaɪm bᵻtwˌiːn ðə tˈuːhˈʌndɹɪd fˈɪfti sˌiːsˈiː ænd fˈaɪvhˈʌndɹɪd sˌiːsˈiː klˈæsᵻz, ðɪs tˈaɪm fɚðɪ ˌɛmvˈiː ˈæɡʌstə fˈæktɚɹi, wɪð hˈuːm hiː ɹˈeɪsd fɔːɹ ʌntˈɪl nˈaɪntiːnhˈʌndɹɪd fˈɪfti ˈeɪt.
In 1955 he divided his time between the 250cc and 500cc classes, this time for the MV Agusta factory, with whom he raced for until 1958.