BMW R 27
Number sold 15.364
Price 2.430,- DM
| Engine | |
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| internal designation | 226/2 |
| engine type | four-stroke two-cylinder flat-twin |
| Bore/stroke | 68 x 68 mm |
| Cubic capacity | 247 cm3 |
| Max power | 18 PS at 7400 U /min |
| Compression ratio | 8,2 : 1 |
| Valves per cylinder | ohv |
| Carburation system | 1 carburettor Typ Bing 1 / 26 / 68 |
| Engine lubrication | forced-feed lubrication |
| oil pump | gear pump |
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| Power transmission | |
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| Clutch | single discs, dry |
| Number of gears | 4 |
| shifting | foot shifting |
| Gear ratios | 5,33 / 3,02 / 2,04 / 1,54 |
| Rear wheel ratio | 4,16 : 1 (with sidecar 5,2 : 1) |
| Bevel/crown wheel | 6 / 25 teeth (with sidecar 5 / 26) |
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| Electrical system | |
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| Alternator | Bosch LJ/CJE 60/6/1800 R 5 |
| Ignition | battery ignition |
| Spark plugs | Bosch W 240 T 1, Beru 240/14 or Champion L 85 |
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| Suspension | |
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| designation | 226/2 |
| Type of frame | steel twin-loop frame, welded |
| Front suspension | long swing arm with suspension units and oil-pressure dampers |
| Rear suspension | Langarmschwinge mit Feder at nen and oil-pressure dampers |
| wheel rims | deep-bedwheel rims 2,15 B x 18 |
| Tyres front | 3,25 x 18 |
| Tyres rear | 3,25 x 18 |
| Brakes front | drum brake Ø 160 mm, full hub |
| Brakes rear | drum brake Ø 160 mm, full hub |
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| Dimensions and weights | |
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| Length x width x height | 2090 x 660 x 975 mm |
| Wheel base | 1390 mm (with sidecar 1415 mm) |
| Tank capacity | 15 l |
| Unladen weight, full tank | 162 kg |
| permitted loading | 325 kg (with sidecar 480 kg) |
| riding/exhaust noise | 81 / 81 phon (from 12.10.1962 82/80 DIN phon) |
| Fuel consumption | ca. 3,9 l / 100 km |
| oil consumption | ca. 0,5 - 1 l / 1000 km |
| Top speed | 130 km/h (with sidecar 90 km/h) |
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