Z 400 F

1984 Kawasaki Z 400 F Technical Analysis & Specification Breakdown

Built around Kawasaki's touring motorcycle platform, the 1984 Kawasaki Z 400 F pairs a 399 cc (24.4 cu in) air-cooled in-line four, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 41 HP (29.9 kW) at 10,500 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 102.8 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 Z 400 F measures 197 kg (434 lbs) wet (curb), translating to a power-to-weight ratio of 0.21 HP/kg (4.8 kg per horsepower). The 18-liter (4.8 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 157 km/h (98 mph).

Within MotoLibrary's Kawasaki archive, this model family spans 2 indexed model years from 1984 to 1985, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.