robinson was on the threshold of what promised to be a brilliant international career when he became the 13th rider to die on the oliver's mount circuit at scarborough. the twenty-four-year-old was racing at the circuit for the first time and crashed in dense undergrowth and trees on the uphill quarry hills section on his sixth lap of practice. he suffered head injuries and a broken leg, and died in the evening in hull royal infirmary in scarborough after being conveyed there by the racing circuit ambulance escorted by two police motorcycle outriders.