BMW R 25 (1950-51) technical specifications
BMW R 25 is produced in 1950-51. Engine is Four stroke, single cylinder, pushrod operated, OHV, 2 valves per cylinder., displacement 247 cc / 15.1 cu in. , produces power 8.9 kW / 12 hp @ 5600 rpm. BMW R 25 wet weight is 140 Kg / 308 lbs. BMW R 25 has 2 photos.
Technical specifications
+ Add to 'Compare list'| Model: | R 25 |
| Years: | 1950-51 |
| Engine: | Four stroke, single cylinder, pushrod operated, OHV, 2 valves per cylinder. |
| Capacity: | 247 cc / 15.1 cu in. |
| Bore x Stroke: | 68 x 68 mm |
| Compression Ratio: | 6.5:1 |
| Cooling System: | Air cooled |
| Induction: | 1x Bing type 1/22/28 |
| Ignition: | Battery ignition |
| Starting: | Kick |
| Clutch: | Single plate, dry |
| Max Power: | 8.9 kW / 12 hp @ 5600 rpm |
| Transmission: | 4 Speed |
| Final Drive: | Shaft |
| Gear Ratio: | 1st 6.10 / 2nd 3.00 / 3rd 2.04 / 4th 1.54:1 |
| Frame: | Closed steel twin loop frame, welded |
| Front Suspension: | Telescopic fork |
| Rear Suspension: | Pushrod suspension, spring loaded saddle |
| Front Brake: | ∅160mm Drum |
| Rear Brakes: | ∅160mm Drum |
| Front Tyre: | 3.25 x 19" |
| Rear Tyre: | 3.25 x 19" |
| Wet-Weight: | 140 Kg / 308 lbs |
| Fuel Capacity: | 12 L / 3.1 US gal |
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