Norton

NORTON COMMANDO 750 FASTBACK 1970

NORTON COMMANDO 750 FASTBACK 1970
NORTON COMMANDO 750 FASTBACK 1970 · Photo: Piero (nl.wikipedia); credited to Yesterdays Antique Motorcycles / Classic Motorcycle Archive, CC BY-SA 3.0, via Wikimedia Commons
Spec sheet
MODELNORTON COMMANDO 750 FASTBACK 1970
Year1970
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 SystemElectric and kick
TRANSMISSION SPECS
Lubrication—
Gear Box4 Speed
Clutch—
Final DriveChain
CHASSIS SPECS
Frame—
Front SuspensionTelescopic forks
Rear SuspensionDual shocks, 5-way adjustable
Front BrakesSingle 203 mm drum, twin leading shoe
Rear BrakesSingle 178 mm drum, twin leading shoe
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 Weight190 kg / 420 lbs
Wet Weight—
WHEEL SPECS
Front Tyre4.10-19
Rear Tyre4.10-19
FUEL SYSTEM
Fuel Capacity10 Litres / 2.6 US gal
Fuel Consumption—
Top Speed187 km/h / 116 mph
Norton file

The 1970 Fastback carried on the original rubber-isolated twin with a 4-speed box and drum brakes. A Mk2 update in September 1970 brought revised stands, a new chain guard, alloy levers with integrated switchgear and a revised engine. It remained the light, sporty face of the Commando range.