BMW R 20 (1938-40) technical specifications
BMW R 20 is produced in 1938-40. Engine is Four stroke, single cylinder, pushrod operated, OHV, 2 valves per cylinder., displacement 192 cc / 11.7 cu in. , produces power 6 kW / 8 hp @ 5400 rpm. BMW R 20 wet weight is 130 kg / 296 lb. BMW R 20 has 2 photos.
Technical specifications
+ Add to 'Compare list'| Model: | R 20 |
| Years: | 1938-40 |
| Engine: | Four stroke, single cylinder, pushrod operated, OHV, 2 valves per cylinder. |
| Capacity: | 192 cc / 11.7 cu in. |
| Bore x Stroke: | 68 x 68 mm |
| Compression Ratio: | 6.0:1 |
| Cooling System: | Air cooled |
| Induction: | 1 x Amal push in carburetor M 74/428 |
| Ignition: | Battery ignition |
| Starting: | Kick |
| Clutch: | Single plate, dry |
| Max Power: | 6 kW / 8 hp @ 5400 rpm |
| Transmission: | 3 Speed |
| Final Drive: | Shaft |
| Gear Ratio: | 1st 4.55 / 2nd 2.58 / 3rd 1.64:1 |
| Frame: | Twin loop frame, bolted |
| Front Suspension: | Telescopic fork |
| Rear Suspension: | Rigid, spring loaded saddle |
| Front Brake: | ∅160mm Drum |
| Rear Brakes: | ∅180mm Drum |
| Front Tyre: | 3.00 x 19" |
| Rear Tyre: | 3.00 x 19" |
| Wet-Weight: | 130 kg / 296 lb |
| Fuel Capacity: | 12 L / 3.2 US gal |
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