BMW R 20 (1938-40)
Comparison technical specifications
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Make: | BMW |
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 |