BMW R 71 (1938-41) technical specifications
BMW R 71 is produced in 1938-41. Engine is Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder., displacement 746 cc / 45.5 cu in. , produces power 16.4 kW / 22 hp @ 4600 rpm. BMW R 71 wet weight is 187 kg / 412 lbs. BMW R 71 has 2 photos.
Technical specifications
+ Add to 'Compare list'| Model: | R 71 |
| Years: | 1938-41 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Capacity: | 746 cc / 45.5 cu in. |
| Bore x Stroke: | 78 x 78 mm |
| Compression Ratio: | 5.5:1 |
| Cooling System: | Air cooled |
| Induction: | 2 x Graetzin G 24 carburetors |
| Ignition: | Battery ignition |
| Starting: | Kick |
| Clutch: | Single plate, dry |
| Max Power: | 16.4 kW / 22 hp @ 4600 rpm |
| Transmission: | 4 Speed |
| Final Drive: | Shaft |
| Gear Ratio: | 1st 3.60 / 2nd 2.28 / 3rd 1.70 / 4th 1.30 |
| Frame: | Twin loop steel tubular frame |
| Front Suspension: | Telescopic front fork, |
| Rear Suspension: | Telescopic suspension, plunger type |
| Front Brakes: | ∅200mm Drum duplex full hub |
| Rear Brakes: | ∅200mm Drum simplex full hub |
| Front Tyre: | 3.50 -19" |
| Rear Tyre: | 3.50 -19" |
| Wet-Weight: | 187 kg / 412 lbs |
| Fuel Capacity: | 14 liters / 3.6 US gal |
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