BMW R 11 series 3
Number sold 7.500 (series 1 - 5)
Price 1.630,- RM
| Engine | |
|
|
|
| Internal Designation | M 56 S 3 |
| Engine type | four-stroke two-cylinder flat-twin |
| Bore/stroke | 78 x 78 mm |
| Cubic capacity | 745 cm3 |
| Max power | 18 PS at 3400 rpm |
| Compression ratio | 5,5 : 1 |
| Valves per cylinder | sv |
| Carburation system | 1 carburettor Typ Sum CK 3/500 F I |
| Engine lubrication | forced-feed lubrication |
| Oil pump | gear pump |
|
|
|
| Power transmission | |
|
|
|
| Clutch | double discs, dry |
| Number of gears | 3 |
| Shifting | manual |
| Gear ratios | 2,83 / 1,55 / 1,08 |
| Rear wheel ratio | 1 : 4,07 (sidecar 1 : 4,75) |
| Bevel/crown wheel | 14 / 57 teeth (sidecar 12 / 57) |
|
|
|
| Electrical system | |
|
|
|
| Alternator | Bosch magneto generator D 2 B L or magneto ignition FF2 |
| Ignition | magneto ignition |
| Spark plugs | Bosch W 175 T 1 |
|
|
|
| Suspension | |
|
|
|
| Designation | F 66 S 3 |
| Type of frame | twin-loop pressed steel frame |
| Front suspension | plate spring, 9 laminae |
| Rear suspension | rigid |
| wheel rims | 26 x 3,5 safety rims rims |
| Tyres front | 26 x 3,5 low pressure or 26 x 3,25 high pressure |
| Tyres rear | 26 x 3,5 low pressure or 26 x 3,25 high pressure |
| Brakes front | drum brake Ø 200 mm |
| Brakes rear | cardan brake, breite 55 mm |
|
|
|
| Dimensions and weights | |
|
|
|
| Length x width x height | 2100 x 890 x 940 mm |
| Wheel base | 1380 mm |
| Tank capacity | 14 l |
| Unladen weight, full tank | 162 kg |
| Load rating | 210 kg |
| Fuel consumption | ca. 4 - 4,5 l / 100 km |
| Oil consumption | ca. 1 - 2 l / 1000 km |
| Top speed | 95 - 100 km/h |
|
|
|
| Back to index | |