The BMW R75 is a global War II-era motorcycle and sidecar mixture made by the German company BMW.
Inside the 1930s BMW were producing a volume of popular and highly effective motorcycles. In 1938 development of the R75 started in response to a submission from the German Army.
Preproduction models of the R75 were powered with a 750 cc side valve engine, that was based on the R71 engine. Nonetheless it was quickly found essential to design an all-new OHV 750 cc engine for the R75 device. This OHV engine unit later proved to be the basis for succeeding post-war twin BMW engines like the R51/3, R67 and R68.
The 3rd side-car wheel was driven with an axle linked to the rear wheel of the motorcycle. They were equipped with a locking differential and selectable road and off-road products ratios through which all four and invert gears functioned. 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 broadly used by the Wehrmacht in Russia and North Africa, though after a period 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 Military, agreed after standardization of parts for both machines, with a view of eventually setting up a Z?ndapp-BMW hybrid (chosen the BW 43), in which a BMW 286/1 side-car would be grafted onto a Z?ndapp KS 750 motorcycle. They also decided that the production of the R75 would cease once production come to 20,200 devices, and from then on point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, manufacturing 20,000 each year.
Since the concentrate on of 20,200 BMW R75's had not been reached, it remained in production before Eisenach factory was so badly destroyed by Allied bombing that creation ceased in 1944. An additional 98 products were assembled by the Soviets in 1946 as reparations.
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