| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | BMW |
| Model Name | R 90 S |
| Year | 1973 |
| Category(class) | Sport-touring |
| Engine |
|---|
| Engine Capacity (Displacement) | 898 ccm (54.8 cubic inches) |
| Engine Type | 2 cylinders |
| Bore x Stroke | Ø90.0 mm x 70.6 mm (Ø3.54 inches x 2.78 inches) |
| Bore/Stroke Ratio | 1.27 |
| Stroke | 4 |
| Valves per Cylinder | 2 |
| Timing System | OHV |
| Cooling System | Air |
| Powertrain |
|---|
| Gearbox | 5 speed |
| Chassis/Suspension/Brakes |
|---|
| Front Brakes | Dual disc |
| Rear Brakes | Drum |
| Front Tire | 3.25-19 |
| Rear Tire | 4.00-18 |
| Dimensions |
|---|
| Curb Weight | 232 kg (511 lb) |
| Fuel Capacity | 24 litres (6.34 gallons) |
| Performance |
|---|
| Max Power | 67.00 HP (48.9 kW) at 7000 RPM |
| Power/Weight Ratio | 0.29 Hp/Kg |
| Top Speed | 196 km/h (122mph) |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 5.3 seconds |
| 0-60 mph | 5 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
