BMW R 68
Number sold 1.452
Price 3.950,- DM
| Engine | |
|
| |
| internal designation | 268 / 2 |
| engine type | four-stroke two-cylinder flat-twin |
| Bore/stroke | 72 x 73 mm |
| Cubic capacity | 594 cm3 |
| Max power | 35 PS at 7000 U /min |
| Compression ratio | 8 : 1 |
| Valves per cylinder | ohv |
| Carburation system | 2 carburettor Typ Bing 1/26/9 - 1/26/10 |
| Engine lubrication | forced-feed lubrication |
| oil pump | gear pump |
|
| |
| Power transmission | |
|
| |
| Clutch | single discs, dry |
| Number of gears | 4 |
| shifting | foot shifting (+ auxiliary manual lever on the gear block) |
| Gear ratios | 4,0 / 2,28 / 1,7 / 1,3 |
| Rear wheel ratio | 1 : 3,89 (with sidecar 1: 4,75) |
| Bevel/crown wheel | 9 / 35 teeth (with sidecar 7 / 32) |
|
| |
| Electrical system | |
|
| |
| Alternator | Noris 6 Volt L 45/60 L |
| Ignition | magneto ignition |
| Spark plugs | Bosch W 240 T 1 |
|
| |
| Suspension | |
|
| |
| designation | 251/4 |
| Type of frame | twin-loop steel tubular frame |
| Front suspension | telescopic fork |
| Rear suspension | telescopic fork |
| wheel rims | deep-bed3 x 19 |
| Tyres front | 3,50 x 19 |
| Tyres rear | 3,50 x 19 ( at sidecarbetrieb hinten 4 x 18) |
| Brakes front | drum brake, Ø 200 mm Duplex, ab 1954: full hub |
| Brakes rear | drum brake, Ø 200 mm Simplex, ab 1954: full hub |
|
| |
| Dimensions and weights | |
|
| |
| Length x width x height | 2130 x 725 x 985 mm |
| Wheel base | 1400 mm |
| Tank capacity | 17 l |
| Unladen weight, full tank | 190 kg (with orig. BMW sidecar 320 kg) |
| load rating | 355 kg (with orig. BMW sidecar 600 kg) |
| idle/riding noise | 85 / 96 phon ab 07.07.1953: 80 / 87 phon |
| Fuel consumption | ca. 4,6 l / 100 km |
| oil consumption | ca. 0,7 l / 1000 km |
| Top speed | 160 km/h (with orig. BMW sidecar 116 km/h) |
|
| |
