Honda CB400F (1974)

The Honda CB 400F, produced in 1974, is a four stroke, transverse four cylinder motorcycle with a capacity of 408cc/24.8 cu-in. It has a compression ratio of 9.4:1 and is air cooled with a wet sump. The bike is equipped with 4x 20mm Mikuni carburetors, ignition by battery and coil, and a 6-speed transmission with final chain drive. The maximum power of the bike is 37 hp/27.5 KW at 8500 rpm and a maximum torque of 24 ft-lb/32.5 Nm at 7500 rpm. The front suspension is a telescopic fork while the rear suspension is dual shocks preload adjustable. The bike has a single 267mm disk for its front brakes and a 160mm drum for its rear brakes. The wheelbase measures 1355 mm/53.3 in and the seat height is 790 mm/31.1 in. Its ground clearance is 150mm/5.9 in and has a wet weight of 185 kg/407 lbs. The motorcycle has a fuel capacity of 14 Litres/3.7 US gal and gives a fuel consumption of 49.7 mpg. It can reach a top speed of 103 mph, with an acceleration of 0-60 in 6.70 sec and the standing 1/4 time being 14.71 sec @ 86.04 mph. The instrumentation system includes a speedometer with trip, tachometer, oil lamp, and neutral lamp.


Technical specifications:

Make Model: Honda CB 400F

Year: 1974


Engine: Four stroke, transverse four cylinder, SOHC, 2 valve per cylinder.
Capacity: 408 cc / 24.8 cu-in
Bore x Stroke: 51 50 mm
Cooling System: Air cooled
Compression Ratio: 9.4:1
Lubrication: Wet sump
Induction: 4x 20mm Mikuni carburetors
Ignition: Battery and coil
Starting: Electric & kick
Max Power: 37 hp / 27.5 KW @ 8500 rpm
Max Toque: 24 ft-lb / 32.5 Nm @ 7500 rpm
Transmission: 6 Speed
Final Drive: Chain
Clutch: Wet multi-plate
Front Suspension: Telescopic forks

Rear Suspension: Dual shocks preload adjustable
Front Brakes: Single 267mm disc
Rear Brakes: 160mm drum
Front Tyre: 3.00-18
Rear Tyre: 3.50-18
Instrumentation: Speedometer with trip, Tachometer, Oil lamp, Neutral lamp
Wheelbase: 1355 mm / 53.3 in
Seat Height: 790 mm / 31.1 in
Ground Clearance: 150 mm / 5.9 in
Wet Weight: 185 kg / 407 lbs
Fuel Capacity: 14 Litres / 3.7 US gal
Fuel Consumption: 49.7 mpg
Standing 1/4: 14.71 sec @ 86.04 mph
Acceleration 0-60: 6.70 sec
Top Speed: 103 mph

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