1976 Factory works CZ400

.During the mid to late 1960's, the Czech factory had already won multiple WorldChampionships in the 250cc class with Joel Robert winning in 1964 and againin the 1968 and 1969. Other World Champions with CZ bikes were ViktorArbekov in the 1965 (250 cc), and Paul Friedrichs in the 1966, 1967 and 1968 inthe 500 cc class. During the 1970's an early 1980's, the open class CZ's wereprimarily