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Norton MK2A 850 Commando Roadster 19741974 Norton MK2A 850 Commando Roadster specifications, pictures, reviews and rating |
| Norton's profilation of this bike |
| This was the last year for the none electric start. Also, this is the most coveted Commando as it has all of Nortons improvements. |
| General information | |
|---|---|
| Model name | Norton MK2A 850 Commando Roadster |
| Year | 1974 |
| Category | Sport |
| Price as new | US$ 1900. MSRP depends on country, taxes, accessories, etc. |
| Rating | 3.2 Check out the detailed rating of racing track capabilities, engine performance, accident risk, etc. Compare with any other bike. |
| Engine and transmission | |
| Displacement | 828.0 ccm (50.52 cubic inches) |
| Engine type | Twin, four-stroke |
| Engine details | Same engine as the Interstate |
| Power | 60.0 HP (43.8 kW)) @ 6250 RPM |
| Top speed | 189.9 km/h (118.0 mph) |
| 1/4 mile (0.4 km) | 13.00 seconds |
| Max RPM | 7500 |
| Compression | 8.5:1 |
| Bore x stroke | 77.0 x 89.0 mm (3.0 x 3.5 inches) |
| Valves per cylinder | 2 |
| Fuel system | Carburettor. Twin Amals |
| Fuel control | Overhead Valves (OHV) |
| Ignition | points |
| Lubrication system | Dry sump |
| Cooling system | Air |
| Gearbox | 4-speed |
| Transmission type | Chain (final drive) |
| Clutch | Wet multiplate |
| Fuel consumption | 5.11 litres/100 km (19.6 km/l or 46.03 mpg) |
| Greenhouse gases | 118.6 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Exhaust system | Double chrome pipes |
| Chassis, suspension, brakes and wheels | |
| Frame type | Double cradle, large back bone steel, with Isolastic vibration system |
| Front suspension | Telescopic |
| Front wheel travel | 152 mm (6.0 inches) |
| Rear suspension | Twin shocks |
| Rear wheel travel | 76 mm (3.0 inches) |
| Front brakes | Single disc |
| Rear brakes | Expanding brake (drum brake) |
| Wheels | Spoke |
| Physical measures and capacities | |
| Dry weight | 188.2 kg (415.0 pounds) |
| Weight incl. oil, gas, etc | 199.6 kg (440.0 pounds) |
| Power/weight ratio | 0.3187 HP/kg |
| Seat height | 787 mm (31.0 inches) If adjustable, lowest setting. |
| Overall length | 2235 mm (88.0 inches) |
| Ground clearance | 152 mm (6.0 inches) |
| Wheelbase | 1440 mm (56.7 inches) |
| Fuel capacity | 11.36 litres (3.00 US gallons) |
| Reserve fuel capacity | 3.79 litres (1.00 US gallons) |
| Oil capacity | 3.00 litres (3.17 US quarts) |
| Other specifications | |
| Color options | Blue, Red, Black |
| Starter | Kick |
| Electrical | 12v dc |
| Comments | English bike. Last of the kick start Commandos. Shifts on the right side. 1 up 3 down |
| Modifications compared to previous model | Not much change from the 73 model. The air boxes are more restricted with the mk2A. |
| Update specs | Report missing specs or required updates. |
| Further information | |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Parts finder | Check out our overview of motorcycle webshops at Bikez.info. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 74 Norton MK2A 850 Commando Roadster discussion group or the general Norton discussion group. |
| Related bikes | List related bikes for comparison of specs. |
| Compare with another motorcycle | |
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Bikez has discussion forums for every bike. View comments, questions and answers at the 1974 Norton MK2A 850 Commando Roadster discussion group. You can sign up for e-mail notifications when other riders answer you. If you have extensive experience with the MC, please send us a review. If you consider buying this bike, you should view the list of related motorbikes Look at photos. Compare technical specs. And check out the rating of the bike's engine performance, reliability, repair costs, etc. You can compare the rating with other bikes.| Rating sample for this Norton bike | |
Reliability for the 1974 Norton MK2A 850 Commando Roadster:  (49.4 out of 100)Click here for complete rating. |
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