The 1980 Honda CB650Z is a mid-size sport motorcycle known for its reliable performance and classic styling. Powered by a 647cc DOHC inline-four engine, this Japanese-manufactured machine offers approximately 60 horsepower and is designed for riders seeking a blend of dependable engineering and an engaging riding experience. Its classic sportbike design emphasizes rider ergonomics, making it a capable and stylish option within its segment, competing with models like the Yamaha XS650 Special and Kawasaki KZ650.

This comprehensive service and repair manual is presented in English and covers all major mechanical and electrical systems of the Honda CB650Z. It provides detailed procedures for routine maintenance, including oil changes, valve adjustments, and spark plug replacements, as well as in-depth repair instructions for the engine, transmission, brakes, electrical systems, and chassis. The manual includes diagnostic charts, troubleshooting guides, and specific torque values, making it an essential resource for professional mechanics and advanced DIY enthusiasts aiming to maintain and repair this vintage Honda motorcycle.