 He would compete on a four stroke Suzuki GS1000 in the Formula TT world championship, and ride a two stroke Suzuki RG 500 in the 500cc world championship.He began the year with a victory at the Daytona Superbike race in March.Crosby was forced to start on the back row of the starting grid due to a minor rules infringement but, charged through the entire field of competitors en route to an upset victory over Freddie Spencer.