The BMW R75 is a global Conflict II-era motorcycle and sidecar combination made by the German company BMW.
In the 1930s BMW were producing a amount of popular and highly effective motorcycles. In 1938 development of the R75 started in reaction to a question from the German Military.
Preproduction models of the R75 were powered by the 750 cc part valve engine, that was predicated on the R71 engine unit. Nonetheless it was quickly found essential to design an all-new OHV 750 cc engine motor for the R75 product. This OHV engine motor later became the basis for following post-war twin BMW engines like the R51/3, R67 and R68.
The third side-car wheel was powered with an axle connected to the rear wheel of the motorcycle. We were holding fixed with a locking differential and selectable road and off-road gear ratios through which all four and invert gears worked. This made the R75 highly manoeuvrable and capable of negotiating most surfaces. A few other motorcycle manufactures, like FN and Norton, provided an optional drive to sidecars.
The BMW R75 and its competitor the Z?ndapp KS 750 were both widely used 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 making a Z?ndapp-BMW hybrid (selected 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 make of the R75 would stop once production come to 20,200 items, and after that point BMW and Z?ndapp would only produce the Z?ndapp-BMW machine, developing 20,000 every year.
Since the target of 20,200 BMW R75's had not been reached, it remained in production before Eisenach stock was so terribly destroyed by Allied bombing that production ceased in 1944. An additional 98 products were assembled by the Soviets in 1946 as reparations.
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