The Zephyr, encompassing models ZR550 and ZR750, represents a line of naked sportbikes produced between 1990 and 1997. These motorcycles are characterized by their retro styling, featuring air-cooled inline-four engines and comfortable ergonomics, making them suitable for both commuting and spirited riding. The Zephyr series was designed to evoke the Universal Japanese Motorcycle (UJM) era while incorporating modern engineering, offering riders a blend of classic aesthetics and reliable performance, positioning them as strong contenders against contemporary offerings from Yamaha, Suzuki, and Honda.

This comprehensive factory service manual provides essential information for the maintenance and repair of the Zephyr models. It covers a wide array of systems, including detailed procedures for engine overhaul, fuel system management, transmission and drivetrain service, electrical diagnostics, suspension and steering adjustments, braking system maintenance, and chassis care. The manual also includes routine maintenance schedules, troubleshooting guides for common issues, detailed technical specifications, and torque values, serving as an indispensable resource for owners, technicians, and mechanics to ensure the longevity and optimal performance of their Zephyr motorcycle.