Engine 500S Engine codes - Production years 1957/01 - 1957/01 kW n/a hp n/a ccm 500. Engine 500S Engine codes - Production years 1948/01 - 1948/01 kW n/a hp n/a ccm 500. Engine 500S Engine codes - Production years 1954/01 - 1954/01 kW n/a hp n/a ccm 500.
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