1939 BMW R12 motorcycle with Sidecar (1935-1942)

Video about: 1939 BMW R12 motorcycle with Sidecar
Length - 210 cm (83 in)
Width - 90 cm (35 in)
Height - 94 cm (37 in
Wheelbase -
Dry weight: 162 kg (357 lb)
Fuel capacity: 14 Liter (3.7 US gal)
Engine:
Displacement : 745 cc (45.5 cu in)
Side-valve 4-stroke flat twin, Overhead valve 4-stroke flat twin
M56 S6 (single carburetor) or M56 212 (two carburetors)
Power: 18 hp (13 kW) or 20 hp (15 kW) (2 carburetor)
Ignition type Magneto or battery ignition
Transmission: 4-Manual, shaft drive rear wheel.
Top speed: 110 km/h (68 mph) or 120 km/h (75 mph) (2 carburetor)
Suspension:
Front: telescopic fork
Rear: rigid
Brakes: Front & rear: 200 mm drum
On February 14, 1935, BMW presented the R12 together with the R17 for the first time at the German Automobile Exhibition in Berlin, becoming the direct successor to the BMW R11. This model and the R17 were the first motorcycles in the world to feature hydraulically damped telescopic forks. The engine, designated M 56 S 6 or 212, was a twin-cylinder boxer configuration - four stroke with a flathead design. The BMW R12 with two carburetors used a battery and coil ignition, while R12s with a single carburetor used a magneto ignition, capable of working independently from the battery.
The BMW R12 had a four-speed manual gearbox, operated by a hand shift lever on the fuel tank's right side. Several detail variations were seen in production. In common with most BMW Motorcycles, final drive was via shaft, with the drive shaft on the right side of the motorcycle.
Front suspension used a telescopic fork, while the frame was rigid with an un-sprung rear end supporting the final drive and a sprung seat for the rider. The R12 used drum brakes front and rear. Many R12's were equipped with a sidecar attached to the motorcycle's right side.
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