BMW R 50 US
Numbers produced contained in figures for 50/2 (19,036)
Price 1.224,- US Dollar
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| internal designation | 252 / 3 |
| engine type | four-stroke two-cylinder flat-twin |
| Bore/stroke | 68 x 68 mm |
| Cubic capacity | 494 cm3 |
| Max power | 26 PS at 5800 U /min |
| Compression ratio | 7,5 : 1 |
| Valves per cylinder | ohv |
| Carburation system | 2 carburettor Bing 1/24/149 - 1/24/150 |
| Engine lubrication | forced-feed lubrication |
| oil pump | gear pump |
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| Power transmission | |
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| Clutch | single disc saucer spring, dry |
| Number of gears | 4 |
| shifting | foot shifting |
| Gear ratios | 4,17 / 2,73 / 1,94 / 1,54 |
| Rear wheel ratio | 1 : 3,375 |
| Bevel/crown wheel | 8 / 27 teeth |
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| Electrical system | |
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| Alternator | Bosch LJ/CGE 60/6/1700 R |
| Ignition | magneto ignition |
| Spark plugs | Bosch W 240 T 1 |
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| Suspension | |
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| designation | 245/3 |
| Type of frame | twin-loop steel tubular frame |
| Front suspension | telescopic fork |
| Rear suspension | long swinging arm with strut und oil-pressure shock absorbers |
| wheel rims | deep-bed 2,15B x 18 |
| Tyres front | 3,50 x 18 S |
| Tyres rear | 4,00 x 18 S |
| Brakes front | drum brake, Ø 200 mm Duplex full hub |
| Brakes rear | drum brake, Ø 200 mm Simplex full hub |
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| Dimensions and weights | |
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| Length x width x height | 2137 x 660 x 980 mm |
| Wheel base | 1427 mm |
| Tank capacity | 17 l |
| Unladen weight, full tank | 195 kg |
| permitted gross vehicle weight | 360 kg |
| idle/riding noise | 72 dB(A), 84 dB(A) |
| Fuel consumption | ca. 5,1 l / 100 km |
| oil consumption | ca. 0,5 - 1 l / 1000 km |
| Top speed | 140 km/h |
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