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1931 BMW R 2 Series 1 Specs

General ─░nformation

Model BMW R 2 Series 1
Year 1931
Category Classic

Engine and transmission

Displacement 198.00 ccm (12.08 cubic inches)
Engine type M 67
Power 6.00 HP (4.4 kW)) @ 3500 RPM
Top speed 95.0 km/h (59.0 mph)
Compression 6.7:1
Bore x stroke 63.0 x 64.0 mm (2.5 x 2.5 inches)
Fuel system Carburettor. Sum carburettor 19 mm
Fuel control Overhead Valves (OHV)
Ignition Battery ignition
Lubrication system Forced-feed lubrication
Cooling system Air
Gearbox 3-speed
Transmission type, final drive Shaft drive (cardan)
Fuel consumption 2.75 litres/100 km (36.4 km/l or 85.53 mpg)
Greenhouse gases 63.8 CO2 g/km. (CO2 - Carbon dioxide emission)

Chassis, suspension, brakes and wheels

Frame type Pressed steel duplex frame
Front suspension Cantilever spring, 9 laminae
Rear suspension Rigit
Frame 3.00-25
Front tyre 3.00-25
Rear tyre 3.00-25
Front brakes Expanding brake (drum brake)
Front brakes diamete 180 mm (7.1 inches)
Rear brakes Expanding brake (drum brake)
rear_brakes_diameter 180 mm (7.1 inches)

Physical measures and capacities

Dry weight 122.0 kg (269.0 pounds)
Power/weight ratio 0.0492 HP/kg
Seat height 130 mm (5.1 inches) If adjustable, lowest setting.
Overall length 1,950 mm (76.8 inches)
Wheelbase 1,320 mm (52.0 inches)
Fuel capacity 11.00 litres (2.91 gallons)

Other specifications

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