Norton
N

750 Roadster MkV

Norton · Klassiker · Baujahr 1973

Technische Daten

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