Norton Commando 850 Roadster MKII (1975)
Comparison technical specifications
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| Make: | Norton |
| Model: | Commando 850 Roadster MKII |
| Years: | 1975 |
| Engine: | Four stroke, parallel twin cylinder, push rod 2 valves per cylinder. |
| Capacity: | 829 cc / 50.6 cu in |
| Bore x Stroke: | 77 x 89 mm |
| Compression Ratio: | 8.5:1 |
| Cooling System: | Air cooled |
| Induction: | 2 x Ø32 mm Amal concentric carburetors |
| Ignition: | 120W Lucas alternator |
| Starting: | Electric and kick |
| Max Power: | 60 hp / 44.7 kW @ 6200 rpm |
| Clutch: | Metal diaphragm clutch |
| Transmission: | 4 Speed |
| Final Drive: | Chain |
| Frame: | Twin downtube cradle with Isolastic engine mounts |
| Front Suspension: | Telescopic forks |
| Rear Suspension: | Swing arm with Girling coil springs |
| Front Brakes: | Single disc |
| Rear Brakes: | Single disc |
| Front Tyre: | 4.10-19 |
| Rear Tyre: | 4.10-19 |
| Wet Weight: | 233 kg / 514 lbs |
| Fuel Capacity: | 19 Litres / 5.0 US gal |
| Average Fuel Consumption: | 5.3 L/100 km / 18.7 kn/l / 44 US mpg |
| Standing ¼ Mile: | 14.4 sec / 145 km/h / 90 mph |
| Top Speed: | 185 km/h / 115 mph |