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BMW R25 19511951 BMW R25 specifications, pictures, reviews and rating |
| General information | |
|---|---|
| Motorcycle name | BMW R25 |
| Year model | 1951 |
| Type | Allround |
| Rating | 2.8 Check out the detailed rating of reliability, maintenance costs, value for money, etc. Compare with any other motorcycle. |
| Engine and transmission | |
| Engine size | 247.0 ccm (15.07 cubic inches) |
| Type of engine | Single cylinder, four-stroke |
| Effect | 12.0 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 | Shaft drive (cardan) (final drive) |
| 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 tire | 3.25-19 |
| Rear tire | 3.25-19 |
| Front brakes | Expanding brake (drum brake) |
| Diameter | 160 mm (6.3 inches) |
| Rear brakes | Expanding brake (drum brake) |
| 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 | 2073 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 US gallons) |
| Other specifications | |
| Starter | Kick |
| 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 51 BMW R25 discussion group or the general BMW discussion group. |
| Related bikes | List related bikes for comparison of specs. |
| Compare with another motorcycle | |
Pictures of classic bikes wanted
Bikez is now publishing specs for pre 1970 motorcycles. We invite our users to upload pictures of classic motorcycles. You will get your name and bike on Bikez.com. Search for the bikes you have pictures of and use the link to upload pictures. See our contribution page. We also have a discussion group about restoration and valuation of each bike. Vintage and veteran bikes can be sold and bought through our free motorcycle classifieds.| Rating sample for this BMW bike | |
Racing track capabilities for the 1951 BMW R25:  (40.7 out of 100)Click here for complete rating. |
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