BMW Bobber Motorcycle on Custom Bmw R100 Motorcycle

The BMW R75 is a World Conflict II-era motorcycle and sidecar mixture produced by the German company BMW.

In the 1930s BMW were producing a amount of popular and impressive motorcycles. In 1938 development of the R75 were only available in reaction to a submission from the German Army.

Preproduction types of the R75 were driven by a 750 cc area valve engine, that was based on the R71 engine motor. Nonetheless it was quickly found necessary to design an all-new OHV 750 cc engine motor for the R75 device. This OHV engine unit later proved to be the foundation for succeeding post-war twin BMW engines like the R51/3, R67 and R68.

The 3rd side-car wheel was powered with an axle linked to the trunk wheel of the motorcycle. They were installed with a locking differential and selectable street and off-road equipment ratios by which all and invert gears performed. This made the R75 highly manoeuvrable and with the capacity of negotiating most floors. Additional motorcycle manufactures, like FN and Norton, provided an optional drive to sidecars.

The BMW R75 and its own competitor the Z?ndapp KS 750 were both greatly employed by the Wehrmacht in Russia and North Africa, though after a period of analysis it became clear that the Z?ndapp was the superior machine. In August 1942 Z?ndapp and BMW, on the urging of the Army, agreed upon standardization of parts for both machines, with a view of eventually building a Z?ndapp-BMW hybrid (designated the BW 43), in which a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. They also arranged that the make of the R75 would stop once production come to 20,200 units, and from then on point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, processing 20,000 each year.

Since the focus on of 20,200 BMW R75's had not been reached, it remained in production until the Eisenach factory was so badly harmed by Allied bombing that development ceased in 1944. An additional 98 systems were constructed by the Soviets in 1946 as reparations.

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