The ZZ-R250, identified by model code EX250-E, represents the first generation of this lightweight sportbike, produced from 1990 to 1996. This model is characterized by its liquid-cooled, DOHC, parallel-twin engine, delivering approximately 33-35 HP, and features a sporty design with a half or full fairing. It was engineered to offer accessible performance and a sporty aesthetic, making it a popular choice for new riders and commuters seeking an engaging riding experience. The ZZ-R250 builds upon a legacy of performance-oriented motorcycles, offering a blend of reliability and manageable power.

This supplementary service manual provides comprehensive guidance for the maintenance and repair of the ZZ-R250 (EX250-E) models from 1990 to 1996. The manual covers essential areas including engine mechanicals, fuel and ignition systems, cooling, transmission, suspension, brakes, and electrical systems. It details scheduled maintenance, troubleshooting procedures, overhaul instructions, and specifications, with a focus on practical application for owners and technicians. Users will find detailed torque specifications, measurement tolerances, and electrical schematics to ensure accurate servicing and longevity of the vehicle.