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Failing to reach a compromise, Bultó decided to leave Montesa to concentrate on his other business interests. Bultó, the driving force behind the racing program and responsible for much of the companies technical expertise was violently opposed. cite book |last=Walker |first=Mick |authorlink= |coauthors= |title=Spanish Post-war Road and Racing Motorcycles |year=1986 |publisher= Osprey Publishing Ltd|location= London |isbn=0-85045-705-X ] As an economy measure, Permanyer (the majority shareholder) felt that the company should withdraw from racing. cite book |last=Walker |first=Mick |authorlink= |coauthors= |title=Spanish Post-war Road and Racing Motorcycles |year=1986 |publisher= Osprey Publishing Ltd|location= London |isbn=0-85045-705-X ] This slump bought to a head disagreements between Bultó and the other senior director Pedro Permanyer. cite book |last=Walker |first=Mick |authorlink= |coauthors= |title=Spanish Post-war Road and Racing Motorcycles |year=1986 |publisher= Osprey Publishing Ltd|location= London |isbn=0-85045-705-X ] The move was protracted, disrupting production and was followed by a downturn in the Spanish economy. cite book |last=Walker |first=Mick |authorlink= |coauthors= |title=Spanish Post-war Road and Racing Motorcycles |year=1986 |publisher= Osprey Publishing Ltd|location= London |isbn=0-85045-705-X ] After several years of steady growth and road racing success, in 1957 Montesa moved to larger facilities. Francisco "Paco" Bultó was a director of the Montesa motorcycle company founded in 1944. The origin of the Bultaco motorcycle company dates back to May 1958. Company_name = Bultaco Compañía Española de Motores S.A.īultaco were a Spanish manufacturer of two-stroke motorcycles from 1958 to 1983.