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Bultaco - Results
  
1971
FIM World
France
France
Belgium
Belgium
ChampionshipsRankingDriver
250ccm Cross WM14Wiertz Marcel
250ccm Cross France Inter1Bacou Serge
500ccm Cross France Inter1Bacou Serge
250ccm Cross Belgian Inter1Wiertz Marcel
250ccm Cross Belgian Inter4Wiertz Jacky