The BMW R75 is a global War II-era motorcycle and sidecar blend produced by the German company BMW.
Within the 1930s BMW were producing a volume of popular and impressive motorcycles. In 1938 development of the R75 started in response to a question from the German Army.
Preproduction models of the R75 were driven by a 750 cc part valve engine, which was based on the R71 engine motor. However it was quickly found necessary to design an all-new OHV 750 cc engine motor for the R75 device. This OHV engine later became the foundation for following post-war twin BMW engines like the R51/3, R67 and R68.
The 3rd side-car wheel was motivated with an axle connected to the trunk wheel of the motorcycle. We were holding fixed with a locking differential and selectable highway and off-road items ratios through which all and invert gears worked well. This made the R75 highly manoeuvrable and capable of negotiating most areas. A few other 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 widely utilized by the Wehrmacht in Russia and North Africa, though over time of evaluation 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 after standardization of parts for both machines, with a view of eventually setting up 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. In addition they decided that the produce of the R75 would cease once production reached 20,200 devices, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, making 20,000 each year.
Since the concentrate on of 20,200 BMW R75's had not been reached, it continued to be in production before Eisenach stock was so badly damaged by Allied bombing that development ceased in 1944. A further 98 models were set up by the Soviets in 1946 as reparations.
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