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MZ Motorrad- und Zweiradwerk controversies

Controversies tied to this brand in public sources. A listing is not a finding of fault.

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  1. 1961

    Degner defection and transfer of MZ racing technology

    Factory rider Ernst Degner defected from East Germany to the West and transferred knowledge associated with Walter Kaaden's advanced two-stroke work to Suzuki. The episode became a major controversy in motorcycle racing history and contributed to the decline of MZ's international racing advantage.

    Source