BMW R68
1954 R68 (featuring full-width brakes)  | |
| Manufacturer | BMW AG, Munich, Germany | 
|---|---|
| Production | 1,452 | 
| Predecessor | 1938–1941 R66 | 
| Successor | 1955–1960 R69, 1961–1969 R69S | 
| Class | standard | 
| Engine | 594cc BMW 268/1 OHV air-cooled flat-twin | 
| Bore / stroke | 72 mm × 73 mm (2.83 in × 2.87 in) | 
| Compression ratio | 8.0:1 | 
| Top speed | 169 km/h (105 mph) | 
| Power | 35 hp (26 kW) @ 7,000 rpm | 
| Transmission | 4-speed manual foot shift | 
| Suspension | Front: Telescopic Rear: Telescopic plungers  | 
| Brakes | Front: 200 mm duplex drum Rear: 200 mm simplex drum  | 
| Tires | 19 x 3.5 front and rear | 
| Wheelbase | 1,400 mm (55 in) | 
| Dimensions | L: 2,130 mm (84 in) W: 725 mm (28.5 in) H: 985 mm (38.8 in)  | 
| Weight | 190 kg (419 lb) (wet) | 
| Fuel capacity | 17 L (3.7 imp gal; 4.5 US gal) | 
| Fuel consumption | approximately 4.6 litres per 100 kilometres (61 mpg‑imp; 51 mpg‑US) | 
The BMW R68 is a 594 cc (36.2 cu in) sport version of the pre-1955 BMW motorcycles. A total of 1,452 models were manufactured from 1952 to 1954, making it one of BMW's rarest production motorcycles.