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General information |
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Model name
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Norton MK2A 850 Commando Roadster |
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Year
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1974 |
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Category
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Sport |
| Price as new | US$ 1900. MSRP depends on country, taxes, accessories, etc. |
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Rating
|
3.2 Check out the detailed rating of racing track capabilities, engine performance, accident risk, etc. Compare with any other bike. |
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Engine and transmission |
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Displacement
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828.0 ccm (50.52 cubic inches) |
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Engine type
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Twin, four-stroke |
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Engine details
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Same engine as the Interstate |
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Power
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60.0 HP (43.8 kW)) @ 6250 RPM |
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Top speed
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189.9 km/h (118.0 mph) |
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1/4 mile (0.4 km)
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13.00 seconds |
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Max RPM
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7500 |
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Compression
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8.5:1 |
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Bore x stroke
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77.0 x 89.0 mm (3.0 x 3.5 inches) |
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Valves per cylinder
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2 |
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Fuel system
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Carburettor. Twin Amals |
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Fuel control
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Overhead Valves (OHV) |
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Ignition
|
points |
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Lubrication system
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Dry sump |
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Cooling system
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Air |
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Gearbox
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4-speed |
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Transmission type
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Chain (final drive) |
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Clutch
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Wet multiplate |
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Fuel consumption
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5.11 litres/100 km (19.6 km/l or 46.03 mpg) |
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Greenhouse gases
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118.6 CO2 g/km. (CO2 - Carbon dioxide emission) |
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Exhaust system
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Double chrome pipes |
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Chassis, suspension, brakes and wheels |
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Frame type
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Double cradle, large back bone steel, with Isolastic vibration system |
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Front suspension
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Telescopic |
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Front wheel travel
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152 mm (6.0 inches) |
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Rear suspension
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Twin shocks |
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Rear wheel travel
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76 mm (3.0 inches) |
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Front brakes
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Single disc |
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Rear brakes
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Expanding brake (drum brake) |
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Wheels
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Spoke |
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Physical measures and capacities |
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Dry weight
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188.2 kg (415.0 pounds) |
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Weight incl. oil, gas, etc
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199.6 kg (440.0 pounds) |
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Power/weight ratio
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0.3187 HP/kg |
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Seat height
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787 mm (31.0 inches) If adjustable, lowest setting. |
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Overall length
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2235 mm (88.0 inches) |
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Ground clearance
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152 mm (6.0 inches) |
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Wheelbase
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1440 mm (56.7 inches) |
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Fuel capacity
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11.36 litres (3.00 US gallons) |
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Reserve fuel capacity
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3.79 litres (1.00 US gallons) |
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Oil capacity
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3.00 litres (3.17 US quarts) |
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Other specifications |
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Color options
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Blue, Red, Black |
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Starter
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Kick |
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Electrical
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12v dc |
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Comments
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English bike. Last of the kick start Commandos. Shifts on the right side. 1 up 3 down |
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Modifications compared to previous model
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Not much change from the 73 model. The air boxes are more restricted with the mk2A. |
| Update specs | Report missing specs or required updates. |
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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. |
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(49.4 out of 100)