The Norton Commando 750 Roadster was a motorcycle produced from 1970-71. It had a four stroke, parallel twin cylinder engine with a capacity of 745cc and a compression ratio of 9.0:1. The maximum power output was 58 hp at 6800 rpm. The transmission was a 4-speed system and the final drive was through a chain. The front suspension was telescopic forks and the rear suspension was dual shocks. The front and rear brakes were drum systems, with the front brake being about 203mm and the rear brake about 178mm. The front and rear tires were 3.25-19 and 4.00-18 respectively. The length of the motorcycle was 2220mm, the width was 660mm and the wheelbase was 1441mm. The seat height was 863.6mm, and it had a dry weight of 195kg. The fuel capacity was 10 litres or 2.6 US gallons, and it was able to complete a standing quarter mile in 12.92 seconds.
Technical specifications:
Make Model: Norton Commando 750 Roadster
| Year | 1970 – 71 |
|---|---|
| Engine | Four stroke, parallel twin cylinder, push rod 2 valves per cylinder. |
| Capacity | 745 cc / 45.5 cu in |
| Bore x Stroke | 73 x 89 mm |
| Compression Ratio | 9.0:1 |
| Cooling System | Air cooled |
| Starting | Kick |
| Max Power | 58 hp / 43 kW @ 6800 rpm |
| Transmission | 4 Speed |
| Final Drive | Chain |
| Front Suspension | Telescopic forks |
| Rear Suspension | Dual shocks |
| Front Brakes | ~A203 mm Drum |
| Rear Brakes | ~A178 mm Drum |
| Front Tyre | 3.25-19 |
| Rear Tyre | 4.00-18 |
| Dimensions | Length 2220 mm / 87.5 in Width 660 mm / 26 in |
| Wheelbase | 1441 mm / 56.75 in |
| Seat Height | 863.6 mm / 34 in |
| Dry Weight | 195 kg / 430 lbs |
| Fuel Capacity | 10 Litres / 2.6 US gal |
| Standing 1/4 Mile | 12.92 sec |