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Norton 750 Roadster MkV 19731973 Norton 750 Roadster MkV specifications, pictures, reviews and rating |
 1973 Norton 750 Roadster MkV. Photo by Rob Avis. Submit more pictures.
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| General information | |
|---|---|
| Model name | Norton 750 Roadster MkV |
| Year of manufacture | 1973 |
| Type | Classic |
| Rating |
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| Engine and transmission | |
| Engine size | 745.0 ccm (45.46 cubic inches) |
| Type of engine | Twin, four-stroke |
| Engine details | 360 degree parallel twin, air cooled. |
| Output | 58.0 HP (42.3 kW)) @ 6000 RPM |
| Torque | 63.7 Nm (6.5 kgf-m or 47.0 ft.lbs) |
| Top speed | 186.7 km/h (116.0 mph) |
| 0-100 km/h (0-62 mph) | 5.00 seconds |
| 1/4 mile (0.4 km) | 12.80 seconds |
| Maximum RPM | 7500 |
| Compression | 8.9:1 |
| Bore x stroke | 73.0 x 89.0 mm (2.9 x 3.5 inches) |
| Valves per cylinder | 2 |
| Fuel system | Carburettor. Twin Amal 32mm Concentric Mk1 carburettors |
| Ignition | Std points/coils. Fitted with Power Arc electronic system |
| Lubrication system | Dry sump high scavenging pump, separate oil tank |
| Cooling system | Air |
| Gearbox | 4-speed |
| Transmission type | Chain (final drive) |
| Clutch | Laycock de Normanville diaphragm clutch, dry |
| Fuel consumption | 3.62 litres/100 km (27.6 km/l or 64.98 mpg) |
| Greenhouse gases | 84.0 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Exhaust system | Twin chrome pipes, upswept‘Peashooter’ Norton mufflers, rubber mounted |
| Chassis, suspension, brakes and wheels | |
| Frame type | 2 1/4´ single backbone frame, twin cradle, isolastic mounting |
| Front suspension | Norton Roadholder two way hydraulic damped |
| Front wheel travel | 152 mm (6.0 inches) |
| Rear suspension | Twin Girlinv shocks, spring load adjustable |
| Front tire | 4.00-19 |
| Rear tire | 4.00-19 |
| Front brakes | Single disc. Twin piston Lockheed calliper with cast iron disc |
| Rear brakes | Expanding brake (drum brake) |
| Wheels | Stainless spoked, alloy rims, alloy hubs |
| Physical measures and capacities | |
| Dry weight | 180.5 kg (398.0 pounds) |
| Power/weight ratio | 0.3213 HP/kg |
| Other specifications | |
| Starter | Kick |
| Instruments | Smiths speedo to 150 mph. Tachometer to 9000 rpm |
| Electrical | 12 volt positive ground, 180 watt alternator, capacitor assisted |
| Light | Lucas 65/50 watt quartz halogen. Replaced with LED |
| Comments | MkV was the last of the 750s produced, incorporating all the improvements made during its six year production life. |
| 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 73 Norton 750 Roadster MkV discussion group or the general Norton discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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