Norton
Commando 850 Roadster MKIII SPECIFICATIONS, PRICE & IMAGES

Bike Features

Make Model:
Norton Commando 850 Roadster MKII

Year:
1975

Engine:
Four stroke, parallel twin cylinder, push rod
2 valves per cylinder.

Capacity:
829 cc / 50.6 cu in

Bore x Stroke:
77 x 89 mm

Compression Ratio:
8.5:1

Cooling System:
Air cooled

Induction:
2 x Ø32 mm Amal concentric carburetors

Ignition:
120W Lucas alternator

Starting:
Electric and kick

Max Power :
60 hp / 44.7 kW @ 6200 rpm

Clutch:
Metal diaphragm clutch

Transmission:
4 Speed

Final
Drive:
Chain

Frame:
Twin downtube cradle with Isolastic engine mounts

Front Suspension:
Telescopic forks

Rear Suspension:
Swing arm with Girling coil springs

Front Brakes:
Single disc

Rear Brakes:
Single disc

Front Tyre:
4.10-19

Rear Tyre:
4.10-19

Wet Weight :
233 kg / 514 lbs

Fuel Capacity :

19 Litres / 5.0 US gal

Average Fuel Consumption:
5.3  L/100 km / 18.7 kn/l / 44 US
mpg

Standing ¼ Mile:
14.4 sec / 145 km/h / 90 mph

Top Speed:
185 km/h / 115 mph