| MODEL | HONDA CBR 400F 1983 |
| Year | 1983 |
| Engine Type | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder (REV valve system) |
| Displacement / Capacity | 399 cc / 24.3 cu in |
| Bore X Stroke | 55 x 42 mm |
| Compression Ratio | 9.6:1 |
| Cooling System | Air cooled |
| Max Power | 43.2 kW / 58 hp @ 12300 rpm |
| Max Torque | 3.6 kgf-m / 26.0 lb-ft @ 11000 rpm |
| Ignition | CDI |
| Induction | VE53 carburettors |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | Wet multi-plate, coil spring |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic forks |
| Rear Suspension | Swinging arm |
| Front Brakes | 2x discs |
| Rear Brakes | Single disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 790 mm / 31.1 in |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | 174 kg / 383.6 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 100/90-16 |
| Rear Tyre | 100/90-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 18 Litres / 4.7 US gal |
| Fuel Consumption | — |
| Top Speed | — |
Photo: Rainmaker47, CC BY-SA 3.0, via Wikimedia Commons
Photo: mekadon3xvtzr, CC BY-SA 3.0, via Wikimedia Commons
The CBR400F was Honda's first bike to wear the CBR badge, a Japanese-market 400 with an air-cooled sixteen-valve inline four. Its REV system ran on two valves per cylinder low down and switched in the other two at high revs, giving usable low-end pull and a sharp top-end rush. Testers found it more of a comfortable sport-tourer than a stripped racer, stable and roomy apart from footpegs set close to the seat.
