BMW R20
| Production Year: | 1938, 1939, 1940 |  |
| Type: | air-cooled, four-stroke, single cylinder, OHV, 2 valves |
| engine specs | |
| Type | air-cooled, four-stroke, single cylinder, OHV, 2 valves |
| Displacement | 192 cm3 |
| Bore X Stroke | 2.7x2.7 in OR 69 mm |
| Compression Ratio | 6.0:1 |
| Horsepower | 8/5400 KW(hp)/RPM |
| Fuel System | Amal carburetor |
| transmission specs | |
| Gearbox | 3-speed, manual |
| Clutch | dry, single plate |
| Final Drive | shaft |
| chassis specs | |
| Frame | steel |
| Front Suspension | telescopic fork |
| Rear Suspension | hard-tail, sprung seat |
| Front Brake | 160mm drum |
| Rear Brake | 180mm drum |
| dimension specs | |
| Weight | 287 lbs OR 130 kg |
| Fuel Capacity | 3.2 gallons OR 12.1 L |
| tyres specs | |
| Front | 3.00 x 19 |
| Rear | 3.00 x 19 |
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