Vintage BMW R51/2 1950 500cc 2 Cylinder Motorcycle Starting Up
Sunday, July 5, 2020
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BMW introduced its first post-war twin-cylinder model in 1949. This was the R51/2 based, as its designation suggests, on the pre-war R51. source/image(PrtSc): classic-motorcycle.com Introduced in 1938, the latter was an updated version of the R5 of 1936, which had represented a new departure for BMW by virtue of its method of valve actuation, adopting two chain-driven camshafts that permitted...
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