1931 BMW R2 Series 1

General motorcycle information

Model

BMW R2 Series 1

Year

1931

Engine and transmission

Displacement

12.08 cubic inches (198.0 ccm)

Engine type

Single cylinder, 4 stroke

Power

6.0 horsepowers (4.5 kiloWatts) at 3500 RPM

Torque

Compression

6.7:1

Bore x stroke

3.84 x 3.91 inches (63.0 x 64.0 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

2.75 litres/100 km, 36.4 km/l or 85.5 mpg

Top speed

95.0 kmh (59.0 mph)

Chassis, suspension, brakes and wheels

Front tyre

2.99-25.00

Rear tyre

2.99-25.00

Front brake

Expanding brake (drum)

Front brakes diameter

10.98 inches (180.0 mm)

Rear brake

Expanding brake (drum)

Rear brakes diameter

10.98 inches (180.0 mm)

Physical measures and capacities

Dry weight

Wet weight

286.6 pounds (130.0 kg)

Seat height

Wheelbase

80.5 inches (1320 mm)

Overall length

119.0 inches (1950 mm)

Overall width

51.9 inches (850 mm)

Overall height

58.0 inches (950 mm)

Ground clearance

Fuel capacity

2.91 gallons (11.0 litres)

Oil capacity

Further motorcycle information

More specs

All technical data from Bikez.com.

Rating

Detailed 1931 BMW R2 Series 1 rating

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