828 Logo
Norton Commando 850cc Mk3 Roadster

Technical Specification

Picture of Mk3 Commando Roadster
  • 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