| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | BMW |
| Model Name | R 45 |
| Year | 1981 |
| Category(class) | Street Fighter |
| Engine |
|---|
| Engine Capacity (Displacement) | 473 ccm (28.86 cubic inches) |
| Engine Type | 2 cylinders |
| Bore x Stroke | Ø70.0 mm x 61.5 mm (Ø2.76 inches x 2.42 inches) |
| Bore/Stroke Ratio | 1.14 |
| Stroke | 4 |
| Valves per Cylinder | 2 |
| Timing System | OHV |
| Cooling System | Air |
| Powertrain |
|---|
| Gearbox | 5 speed |
| Chassis/Suspension/Brakes |
|---|
| Front Brakes | Single disc |
| Rear Brakes | Drum |
| Front Tire | 3.25-18 |
| Rear Tire | 4.00-18 |
| Dimensions |
|---|
| Curb Weight | 206 kg (454 lb) |
| Fuel Capacity | 22 litres (5.81 gallons) |
| Performance |
|---|
| Max Power | 35.00 HP (25.5 kW) at 7250 RPM |
| Power/Weight Ratio | 0.17 Hp/Kg |
| Top Speed | 160 km/h (99mph) |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 8.4 seconds |
| 0-60 mph | 8 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
