1951 BMW R25 2

General motorcycle information

Model

BMW R25 2

Year

1951

Engine and transmission

Displacement

15.07 cubic inches (247.0 ccm)

Engine type

Single cylinder, 4 stroke

Power

12.0 horsepowers (8.9 kiloWatts) at 5600 RPM

Torque

Compression

6.5:1

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

4-speed

Transmission type, final drive

Shaft drive (cardan)

Starter

Kick

Fuel consumption

2.90 litres/100 km, 34.5 km/l or 81.1 mpg

Top speed

80.0 kmh (49.7 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

9.76 inches (160.0 mm)

Physical measures and capacities

Dry weight

Wet weight

308.6 pounds (140.0 kg)

Seat height

44.5 inches (730 mm)

Wheelbase

81.5 inches (1335 mm)

Overall length

123.3 inches (2020 mm)

Overall width

48.2 inches (790 mm)

Overall height

44.5 inches (730 mm)

Ground clearance

6.6 inches (108 mm)

Fuel capacity

3.17 gallons (12.0 litres)

Oil capacity

Further motorcycle information

More specs

All technical data from Bikez.com.

Rating

Detailed 1951 BMW R25 2 rating

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