1951 BMW R51 3

General motorcycle information

Model

BMW R51 3

Year

1951

Engine and transmission

Displacement

30.14 cubic inches (494.0 ccm)

Engine type

Two cylinder boxer, 4 stroke

Power

24.1 horsepowers (17.9 kiloWatts) at 5800 RPM

Torque

Compression

6.3:1

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

4.50 litres/100 km, 22.2 km/l or 52.3 mpg

Top speed

135.0 kmh (83.9 mph)

Chassis, suspension, brakes and wheels

Front tyre

3.50-19.00

Rear tyre

3.50-19.00

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

418.9 pounds (190.0 kg)

Seat height

Wheelbase

85.4 inches (1400 mm)

Overall length

130.0 inches (2130 mm)

Overall width

48.2 inches (790 mm)

Overall height

60.1 inches (985 mm)

Ground clearance

Fuel capacity

4.49 gallons (17.0 litres)

Oil capacity

Further motorcycle information

More specs

All technical data from Bikez.com.

Rating

Detailed 1951 BMW R51 3 rating

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