 He dominated the 500cc British national championship, winning seven of the eight rounds.Crosby's defense of his TT Formula One title was successful as his Suzuki GS1000 outclassed the Honda RC1000 of his leading rival, Ron Haslam.In nine races that made up the championship, Crosby won six races, finished second once, sat out the Oliver's Mount race over unsafe race conditions, and suffered an engine failure in the last one.