The 1973 Isle of Man TT was a motorcycle event held on June 8, 1973 on the 37-mile Snaefell Mountain Course on the Isle of Man. It was the fifth round of the 1973 Grand Prix motorcycle racing season (now MotoGP). The Australian rider Jack Findlay won the Senior (500cc) event.
June 1973 – 6 Laps (236.38 Miles) Mountain Course.