| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Norton |
| Model Name | Commando 850 Roadster |
| Year | 1973 |
| Category(class) | Classic |
| Engine |
|---|
| Engine Capacity (Displacement) | 828 ccm (50.53 cubic inches) |
| Engine Type | Twin |
| Bore x Stroke | Ø77.0 mm x 89.0 mm (Ø3.03 inches x 3.5 inches) |
| Bore/Stroke Ratio | 0.87 |
| Stroke | 4 |
| Valves per Cylinder | 2 |
| Timing System | OHV |
| Cooling System | Air |
| Powertrain |
|---|
| Gearbox | 4 speed |
| Chassis/Suspension/Brakes |
|---|
| Front Brakes | Single disc |
| Rear Brakes | Drum |
| Front Tire | 4.10-19 |
| Rear Tire | 4.10-19 |
| Dimensions |
|---|
| Curb Weight | 221 kg (487 lb) |
| Fuel Capacity | 11 litres (2.91 gallons) |
| Performance |
|---|
| Max Power | 51.00 HP (37.2 kW) at 6250 RPM |
| Power/Weight Ratio | 0.23 Hp/Kg |
| Top Speed | 191 km/h (119mph) |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 5.8 seconds |
| 0-60 mph | 5.5 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
