Honda CB 400 Four Honda

CB 400 Four, 1974-1975 Honda CB 400F The CB400 Four is a little jewel of a motorcycle, produced in the Café racer style from 1975 to 1977. Its single overhead-cam inline-four engine is a conventional, two-valve per cylinder design, but the small dimensions of the engine internals allow it to rev to a dizzy-for-the-time l1000rpm. The 408cc engine was developed from the CB350F powerplant, which had been rather underpowered for many riders. Though n ot an overly powerful motorcycle, the CB400's 28kW (37bhp), combined with a 178kg (3921b) dry weight, gives the little 400 exceptional performance for its capacity. The motor was extremely smooth, as well as willing, and was fairly reliable, although its high-rewing nature occasionally caused piston-ring wear. Screw and locknut valve adjustment and points ignition meant regular maintenance was required for optimal running. Chassis technology in the mid-1970s was more than up to dealing with the little 400, a conventional telescopic front fork and twin-shock rear… Read more


  • Make Model
    Honda CB 400F
  • Year
  • Engine
    Air cooled, transverse four cylinder, four stroke, SOHC, 2 valve per cylinder.
  • Capacity
  • Bore x Stroke
    51 х 50 mm
  • Compression Ratio
  • Induction
    4x 20mm Mikuni carbs
  • Ignition / Starting
    Battery and coil / kick and electric
  • Max Power
    37 hp @ 8500 rpm
  • Transmission / Drive
    6 Speed / chain
  • Front Suspension
    Telescopic forks
  • Rear Suspension
    Dual shocks preload adjustable
  • Front Brakes
    Single 267mm disc
  • Rear Brakes
    160mm drum
  • Front Tyre
  • Rear Tyre
  • Dry-Weight
    185 kg
  • Fuel Capacity
    14 Litres
  • Review
  • Manual / / /


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