BMW R25 1951
Complete specifications and details for the 1951 BMW R25. This comprehensive guide includes engine specifications, dimensions, features, and performance data.
Basic Information
| Make | BMW |
|---|---|
| Model | R25 |
| Year | 1951 |
| Category | Allround |
Chassis, Suspension & Brakes
| Frame Type | Steel-single cradlel |
|---|---|
| Front Brakes | Expanding brake (drum brake) |
| Front Brakes Diameter | 160 mm (6.3 inches) |
| Front Suspension | Cartridge |
| Front Tyre | 3.25-19 |
| Rear Brakes | Expanding brake (drum brake) |
| Rear Brakes Diameter | 160 mm (6.3 inches) |
| Rear Suspension | Pushrod |
| Rear Tyre | 3.25-19 |
Other Specifications
| Starter | Kick |
|---|
Engine & Transmission
| Displacement | 247.00 ccm (15.07 cubic inches) |
|---|---|
| Engine Details | 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 |
| 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) |
Dimensions & Capacities
| Fuel Capacity | 12.00 litres (3.17 gallons) |
|---|---|
| Ground Clearance | 92 mm (3.6 inches) |
| Overall Height | 710 mm (28.0 inches) |
| Overall Length | 2,073 mm (81.6 inches) |
| Overall Width | 750 mm (29.5 inches) |
| Weight Incl Oil Gas Etc | 140.0 kg (308.6 pounds) |