While a 3-cylinder engine was not exactly a novelty, in that other constructors had already experimented this configuration, it was undoubtedly the first to achieve such brilliant performance. A full 92 HP at 13,500 RPM, lightness and excellent handling made this 500 the most successful of the Cascina Costa stable. Following its 1966 debut, it won 7 consecutive world championships from 1967 to 1973 with G. Agostini.

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