Norton

NORTON COMMANDO 750 ROADSTER 1972

NORTON COMMANDO 750 ROADSTER 1972
NORTON COMMANDO 750 ROADSTER 1972 · Photo: Addvisor, CC BY-SA 3.0, via Wikimedia Commons
Spec sheet
MODELNORTON COMMANDO 750 ROADSTER 1972
Year1972
Engine TypeFour stroke, parallel twin cylinder, pushrod OHV, 2 valves per cylinder
Displacement / Capacity745 cc / 45.5 cu in
Bore X Stroke73 x 89 mm
Compression Ratio9.0:1
Cooling SystemAir cooled
Max Power58 hp / 43 kW @ 6800 rpm
Max Torque—
Ignition12V, alternator
Induction2 x 30 mm Amal concentric carburettors
Start SystemKick
TRANSMISSION SPECS
Lubrication—
Gear Box4 Speed
Clutch—
Final DriveChain
CHASSIS SPECS
Frame—
Front SuspensionTelescopic forks
Rear SuspensionDual shocks
Front BrakesSingle 203 mm drum
Rear BrakesSingle 178 mm drum
DIMENSION SPECS
Overall Length2220 mm / 87.5 in
Overall Width660 mm / 26 in
Overall Height—
Seat Height863.6 mm / 34 in
Wheelbase1441 mm / 56.75 in
Ground Clearance—
Dry Weight193 kg / 425 lbs
Wet Weight—
WHEEL SPECS
Front Tyre3.25-19
Rear Tyre4.00-18
FUEL SYSTEM
Fuel Capacity10 Litres / 2.6 US gal
Fuel Consumption—
Top Speed—
Norton file

The 1972 Roadster continued the low-exhaust Commando formula, praised in period tests for handling and for very low vibration thanks to its Isolastic mounts. A road test recorded a quarter mile in 12.92 seconds. Criticisms included kick-only starting, noise and a high, narrow seat.