BMW
BMW

R 2 Series 1

BMW · Klassiker · Baujahr 1931

Technische Daten

Bore x stroke
63.0 x 64.0 mm (2.5 x 2.5 inches)
Category
Classic
Clutch
Single-plate, dry
Compression
6.7:1
Cooling system
Air
Diameter
180 mm (7.1 inches)
Displacement
198.0 ccm (12.08 cubic inches)
Dry weight
122.0 kg (269.0 pounds)
Engine details
M 67
Engine type
Single cylinder, four-stroke
Frame type
Pressed steel duplex frame
Front brakes
Expanding brake (drum brake)
Front suspension
Cantilever spring, 9 laminae
Front tire
3.00-25
Fuel capacity
11.00 litres (2.91 US gallons)
Fuel consumption
2.75 litres/100 km (36.4 km/l or 85.53 mpg)
Fuel control
Overhead Valves (OHV)
Fuel system
Carburettor. Sum carburettor 19 mm
Gearbox
3-speed
Greenhouse gases
63.8 CO2 g/km. (CO2 - Carbon dioxide emission)
Ignition
Battery ignition
Lubrication system
Forced-feed lubrication
Model name
BMW R 2 Series 1
Model year
1931
Overall length
1950 mm (76.8 inches)
Power output
6.0 HP (4.4 kW)) @ 3500 RPM
Power/weight ratio
0.0492 HP/kg
Rear brakes
Expanding brake (drum brake)
Rear suspension
Rigit
Rear tire
3.00-25
Top speed
95.0 km/h (59.0 mph)
Transmission type
Shaft drive (cardan) (final drive)
Wheelbase
1320 mm (52.0 inches)