KH 400

1977 Kawasaki KH 400 Technical Analysis & Specification Breakdown

Engineered by Kawasaki for the sport motorcycle segment, the 1977 Kawasaki KH 400 utilizes a 400 cc (24.4 cu in) air-cooled in-line three, two-stroke layout. In factory specification, peak output is rated at 38 HP (27.7 kW) at 7,000 rpm, transferring power to the rear wheel through a 5-speed gearbox and chain final drive. With a specific output of 95 HP per liter, the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.

On the scales, the KH 400 measures 177 kg (390 lbs) wet (curb), translating to a power-to-weight ratio of 0.21 HP/kg (4.66 kg per horsepower). The 16-liter (4.2 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 166 km/h (103 mph).

Within MotoLibrary's Kawasaki archive, this model family spans 4 indexed model years from 1975 to 1978, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.