ČZ , Suzuki , Honda Grands Prix Championships 500cc - 1971-1973, 1975, 1976Wins36 Roger De Coster (born August 28, 1944 in Uccle ) is a Belgian motocross racer. His name is almost synonymous with the sport of motocross. He won five 500cc Motocross World Championships and tallied a record 36 500cc