| General information |
|---|
| Model: | BMW R25 |
| Year: | 1950 |
| Category: | Allround |
| Rating: | Do you know this bike?
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| Engine and transmission |
|---|
| Displacement: | 247.00 ccm (15.07 cubic inches) |
| Engine type: | Single cylinder, four-stroke |
| Power: | 12.00 HP (8.8 kW)) @ 5600 RPM |
| Top speed: | 80.0 km/h (49.7 mph) |
| Compression: | 6.5:1 |
| Bore x stroke: | 68.0 x 68.0 mm (2.7 x 2.7 inches) |
| Fuel system: | Carburettor. Bing |
| Fuel control: | Overhead Valves (OHV) |
| Ignition: | Battery |
| Lubrication system: | Wet sump |
| Cooling system: | Air |
| Gearbox: | 4-speed |
Transmission type,
final drive: | Shaft drive (cardan) |
| Clutch: | Single plate dry-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) |
| Chassis, suspension, brakes and wheels |
|---|
| Frame type: | Steel-single cradlel |
| Front suspension: | Cartridge |
| Rear suspension: | Pushrod |
| Front tyre: | 3.25-19 |
| Rear tyre: | 3.25-19 |
| Front brakes: | Expanding brake (drum brake) |
| Front brakes diameter: | 160 mm (6.3 inches) |
| Rear brakes: | Expanding brake (drum brake) |
| Rear brakes diameter: | 160 mm (6.3 inches) |
| Physical measures and capacities |
|---|
| Weight incl. oil, gas, etc: | 140.0 kg (308.6 pounds) |
| Overall height: | 710 mm (28.0 inches) |
| Overall length: | 2,073 mm (81.6 inches) |
| Overall width: | 750 mm (29.5 inches) |
| Ground clearance: | 92 mm (3.6 inches) |
| Fuel capacity: | 12.00 litres (3.17 gallons) |
| Other specifications |
|---|
| Starter: | Kick |
| Carrying capacity: | 290 |
| Further information |
|---|
| Ask questions | Join the 50 BMW R25 discussion group or the general BMW discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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