1939 BMW R71

BMW R71
Picture credits: BMW. Click for large image of the 1939 BMW R71

General motorcycle information

Model
BMW R71
Year
1939
Category
Custom / cruiser

Engine and transmission

Displacement
45.52 cubic inches (746.0 ccm)
Engine type
Two cylinder boxer, 4 stroke
Power
22.0 horsepowers (16.4 kiloWatts) at 4600 RPM
Torque
-
Compression
5.5:1
Bore x stroke
4.76 x 4.76 inches (78.0 x 78.0 mm)
Fuel system
Carburettor
Fuel control
Overhead Valves (OHV)
Cooling system
Air
Gearbox
4-speed
Transmission type, final drive
Shaft drive (cardan)
Starter
Kick
Fuel consumption
4.50 litres/100 km, 22.2 km/l or 52.3 mpg
Top speed
125.0 kmh (77.7 mph)

Chassis, suspension, brakes and wheels

Front tyre
3.5-19
Rear tyre
3.5-19
Front brake
Expanding brake (drum)
Front brakes diameter
12.20 inches (200.0 mm)
Rear brake
Expanding brake (drum)
Rear brakes diameter
12.20 inches (200.0 mm)

Physical measures and capacities

Dry weight
-
Wet weight
412.3 pounds (187.0 kg)
Seat height
-
Wheelbase
85.4 inches (1400 mm)
Overall length
130.0 inches (2130 mm)
Overall width
49.7 inches (815 mm)
Overall height
58.6 inches (960 mm)
Ground clearance
-
Fuel capacity
3.70 gallons (14.0 litres)
Oil capacity
-

Further motorcycle information

Insurance costs
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