1939 BMW R23

General motorcycle information

Model

BMW R23

Year

1939

Engine and transmission

Displacement

15.07 cubic inches (247.0 ccm)

Engine type

Single cylinder, 4 stroke

Power

10.1 horsepowers (7.5 kiloWatts) at 5400 RPM

Torque

Compression

6.1:1

Bore x stroke

4.15 x 4.15 inches (68.0 x 68.0 mm)

Fuel system

Carburettor

Fuel control

Overhead Valves (OHV)

Cooling system

Air

Gearbox

3-speed

Transmission type, final drive

Shaft drive (cardan)

Starter

Kick

Fuel consumption

Top speed

95.0 kmh (59.0 mph)

Chassis, suspension, brakes and wheels

Front tyre

2.99-19

Rear tyre

2.99-19

Front brake

Expanding brake (drum)

Front brakes diameter

9.76 inches (160.0 mm)

Rear brake

Expanding brake (drum)

Rear brakes diameter

10.98 inches (180.0 mm)

Physical measures and capacities

Dry weight

Wet weight

297.6 pounds (135.0 kg)

Seat height

Wheelbase

81.2 inches (1330 mm)

Overall length

122.0 inches (2000 mm)

Overall width

48.8 inches (800 mm)

Overall height

54.9 inches (900 mm)

Ground clearance

Fuel capacity

2.54 gallons (9.6 litres)

Oil capacity

Further motorcycle information

More specs

All technical data from Bikez.com.

Rating

Detailed 1939 BMW R23 rating

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