22 June. Monday 2026
BMW R 100 CS - 1981 Specifications and Reviews
The 1981 BMW R 100 CS is a classic sport-tourer built for riders seeking reliable long-distance capability with genuine performance. Its air-cooled 979cc boxer engine delivers smooth power through shaft drive, while the nimble handling and comfortable ergonomics make it ideal for both spirited riding and extended touring adventures.
General information | |
| Category | Classic |
| Year | 1981 |
| Model | BMW R 100 CS |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Shaft drive (cardan) |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | OHV |
| Valves per cylinder | 2 |
| Bore x stroke | 94.0 x 70.6 mm (3.7 x 2.8 inches) |
| Compression | 9.5:1 |
| Power | 70.00 |
| Stroke | 4 |
| Engine type | Two cylinder boxer |
| Capacity: | 979.00 ccm (59.74 cubic inches) |
Physical measures and capacities | |
| Weight incl. oil, gas, etc | 232.0 kg (511.5 pounds) |
| | |
BMW R 100 CS dimensions and frame | |
| Rear brakes | Expanding brake |
| Front brakes | Dual disc |
| Rear tyre dimensions | 4.00-18 |
| Front tyre dimensions | 3.25-19 |
| | |
Speed and acceleration | |
| Top speed | 194.0 km/h (120.5 mph) |
Other specs | |
| Fuel capacity | 24.00 litres (6.34 gallons) |
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