Lorenzo was also fast throughout the day on race tires as he worked on refining the setting of his M1 in preparation for his competitive entry into the premier - class .
Lorenzo was victorious in the 250cc race here last year .
Lorenzo , who was victorious in the 250cc race here last year , was also fast throughout the day on race tires as he worked on refining the setting of his M1 in preparation for his competitive entry into the premier - class .