He had a single wild-card ride in the Turkish 250cc round of Moto GP at Istanbul Park in April 2006, where he qualified 26th with a time of 2:05.532 and finished 19th (and last finisher) with an overall time of 40:44.241 Sinan Sofuoğlu died on May 9, 2008, at the age of 25 in the intensive care unit of Kocaeli University Hospital following a motorcycle accident.
He was training for the Turkey Motorcycle Championship at İzmit Körfez Circuit in Körfez, Kocaeli, where he fell-off his motorcycle and suffered a broken neck, trauma at the base of his skull, and bleeding of the lungs.
His elder brother Bahattin, died in 2002 at the age of 24 following a road traffic accident where he was hit by a car whilst crossing the street.
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