
| MODEL | KAWASAKI KH 400 1977 |
| Year | 1977 |
| Engine Type | Two stroke, transverse three cylinder, piston valve |
| Displacement / Capacity | 400.4 cc / 24.4 cu in |
| Bore X Stroke | 57 x 52.3 mm |
| Compression Ratio | 6.5:1 |
| Cooling System | Air cooled |
| Max Power | 38 hp / 28.3 kW @ 7000 rpm |
| Max Torque | 3.9 kgf-m / 28.2 lb-ft @ 6500 rpm |
| Ignition | CDI |
| Induction | 3x Mikuni VM26SC, 26 mm carburetors |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5 Speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Double tubular steel cradle |
| Front Suspension | Telescopic hydraulic forks |
| Rear Suspension | Dual shocks, swing arm |
| Front Brakes | Single 250mm disc |
| Rear Brakes | 180mm drum |
| DIMENSION SPECS | |
| Overall Length | 2024 mm / 79.7 in |
| Overall Width | 820 mm / 32.3 in |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | 1364 mm / 53.7 in |
| Ground Clearance | 150 mm / 5.9 in |
| Dry Weight | 162 kg / 357 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3.25-18 |
| Rear Tyre | 3.50-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 16 Litres / 4.2 US gal |
| Fuel Consumption | — |
| Top Speed | 166 km/h / 103.1 mph |
The 1977 KH 400, the A4 version in the page's sequence of yearly updates. Its engine and chassis figures match the 1976 A3 listing, with the changes described on the page being largely cosmetic. It is a 400 cc three-cylinder two-stroke with kick start and a single front disc.