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BMW R 2 Series 1 19311931 BMW R 2 Series 1 specifications, pictures, reviews and rating |
 1931 BMW R 2 Series 1. Picture credits - BMW. Submit more pictures. |
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| General information | |
|---|---|
| Model name | BMW R 2 Series 1 |
| Model year | 1931 |
| Category | Classic |
| Rating |
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| Engine and transmission | |
| Displacement | 198.0 ccm (12.08 cubic inches) |
| Engine type | Single cylinder, four-stroke |
| Engine details | M 67 |
| Power output | 6.0 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 | Shaft drive (cardan) (final drive) |
| Clutch | Single-plate, dry |
| 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 |
| Front tire | 3.00-25 |
| Rear tire | 3.00-25 |
| Front brakes | Expanding brake (drum brake) |
| Diameter | 180 mm (7.1 inches) |
| Rear brakes | Expanding brake (drum brake) |
| 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 |
| Overall length | 1950 mm (76.8 inches) |
| Wheelbase | 1320 mm (52.0 inches) |
| Fuel capacity | 11.00 litres (2.91 US gallons) |
| Other specifications | |
| Update specs | Report missing specs or required updates. |
| Further information | |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 31 BMW R 2 Series 1 discussion group or the general BMW discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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