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| Model | BMW R61 |
| Year | 1941 |
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| Displacement | 600.0 ccm (36.61 cubic inches) |
| Engine type | Two cylinder boxer, four-stroke |
| Power | 18.0 HP (13.1 kW) @ 4800 RPM |
| Top speed | 115.0 km/h (71.5 mph) |
| Compression | 5.7:1 |
| Bore x stroke | 70.0 x 78.0 mm (2.8 x 3.1 inches) |
| Fuel system | Carburettor. Amal |
| Fuel control | Overhead Valves (OHV) |
| Lubrication system | Wet sump |
| Cooling system | Air |
| Gearbox | 4-speed |
| Transmission type | Shaft drive (cardan) (final drive) |
| Clutch | Dry-single plate-cable operated |
| Fuel consumption | 3.50 litres/100 km (28.6 km/l or 67.21 mpg) |
| Greenhouse gases | 81.2 CO2 g/km. (CO2 - Carbon dioxide emission) |
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|---|
| Frame type | Steel-double cradle |
| Front suspension | Leading link |
| Rear suspension | Twin shock-Swingarm |
| Front tire | 3.50-19.00 |
| Rear tire | 3.50-19.00 |
| Front brakes | Expanding brake (drum brake). Single |
| Rear brakes | Expanding brake (drum brake) |
| Weight incl. oil, gas, etc | 184.0 kg (405.7 pounds) |
| Overall height | 960 mm (37.8 inches) |
| Overall length | 2130 mm (83.9 inches) |
| Overall width | 815 mm (32.1 inches) |
| Wheelbase | 1400 mm (55.1 inches) |
| Fuel capacity | 14.00 litres (3.70 US gallons) |
