Norton Commando 850cc Mk3 Roadster
Technical Specification
Bore & stroke=77mm x 89mm
Cubic capacity=828cc
Compression ratio=8.5:1
Bhp=60@5900rpm
Ignition timing=28deg.BTDC
Wheelbase=57"
Ground clearance=6"
Seat height-31"
Overall width=26"
Dry weight=460lb
Years of manufacture=1975-1977