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BMW-R71
Years of production: 1938 - 1941
Engine: 4-stroke sidevalve opposite 2-cyl., 597cc, 22hp/4600rpm
Bore/Stroke: 78/78 mm
Compression ratio: 5,5 : 1
Length: 2130mm, width: 815mm, height: 960mm
Wheelbase: 1400mm
Carburetters: 2 x Graetzin G24
Forced feed lubrication
Clutch: dry single plate
Battery ignition
Generator: Bosch RD 50/6 2800 RS 17
39k image of BMW-R7183k 3 III 1941 photo of BMW-R71, RomaniaSpark Plugs: Bosch W 175 T1
Gearbox: 4 speed
Ratios: I - 3,6; II - 2,28; III - 1,7; III - 1,3
Rear Wheel Ratio:
1 : 3,6 (10 : 36), sidecar 1 : 3,89 (9 : 35)
Tubular frame
Front fork: telescopic
Rear suspension: telescopic
Weight: 187 kg
46k image of BMW-R7118k image of BMW-R71Maximal speed: 125 km/h (solo) 105 km/h (with sidecar)
Tyres: 3,5x19 inches
Fuel capacity: 14 Ltr.
Fuel consumption: 4,5 Ltr/100km
Oil consumption: about 1 Ltr/100km