The Kawasaki KZ400, produced between 1974 and 1977, represents a significant offering in the mid-size motorcycle market. Available in KZ400D and KZ400S variants, this parallel-twin, air-cooled machine was engineered for a balanced blend of performance, reliability, and practical styling, making it a popular choice for commuting and light touring during its era. Its design philosophy prioritized delivering a capable and enjoyable riding experience within the competitive 400cc class, solidifying Kawasaki's reputation for robust and well-performing motorcycles.

This comprehensive service repair manual provides detailed guidance for the maintenance and repair of the Kawasaki KZ400 models from 1974 to 1977. It covers all essential systems, including the engine, transmission, drivetrain, chassis, brakes, and electrical components. Owners, mechanics, and technicians will find in-depth procedures for routine maintenance, troubleshooting, and complete component overhauls, along with critical technical specifications and wiring diagrams. The manual is designed to be an indispensable resource for keeping the KZ400 in optimal condition.