The 1978 Grand Prix motorcycle racing season was the 30th F.I.M. Road Racing World Championship season.
Johnny Cecotto (4) leads Barry Sheene (7) and Kenny Roberts (1) during the 1978 500cc Dutch TT race
Pat Hennen
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Pat Hennen was an American professional motorcycle racer. He competed in AMA dirt track and road racing competitions from 1971 to 1975 and in the Grand Prix motorcycle racing world championships from 1976 to 1978.
Hennen leading Barry Sheene in 1978