Kenny Roberts Nationality United States Grand Prix motorcycle racing career Active years 1974, 1978 - 1983 Teams Yamaha Grands Prix 60 Championships 500cc - 1978, 1979, 1980 Wins 24 Podium finishes 44 Pole positions 22 Fastest laps 27 First Grand Prix 1974 250cc Dutch TT First win 1978 250cc Venezuelan Grand Prix Last win 1983 500cc San Marino Grand Prix Last Grand Prix 1983 500cc San Marino Grand Prix
