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| Manufacturer | BMW |
|---|---|
| Production | 1935-1942 |
| Assembly | Munich, Germany |
| Predecessor | R11 |
| Class | boxer |
| Engine | Two-cylinder boxer 745cm³ – 18 hp at 3400 rev / min (20 hp at 4000 rev / min in the version with two carburetors) |
| Bore / stroke | 78 mm |
| Compression ratio | 5.2: 1 |
| Top speed | 110 km (68 mi) – 120 km (75 mi)[1][2] |
| Power | 18 hp (13 kW)[1] |
| Ignition type | Magneto or battery ignition |
| Transmission | Manual |
| Tires | 3.50 x 19 |
| Dimensions | L: 210 cm (83 in) W: 90 cm (35 in) H: 94 cm (37 in) |
| Fuel capacity | 14 litres |
| Fuel consumption | 3.5-4L (every 100km)[1] |
| Related | R17 |
BMW R12 a pre-World War II motorcycle that was produced by the German car manufacturing company BMW. The motorbike was first presented and developed in 1935.[3] A total of 36,000 motorcycles were built by 1942.
WW2 BMW Main Motorcycle seat and frame
