Bultaco 350 Trial 1983 Bultaco 350 Trial 1982 Bultaco 350 Trial 1981 Bultaco 350 Trial 1980 Bultaco 350 Trial 1979 Bultaco 350 Trial 1978 Bultaco 350 Trial 1977 Bultaco 350 Trial 1976 Bultaco 350 Trial 1975 Bultaco 350 Trial 1974