This manual covers the 860 GT & GTS, renowned Italian motorcycles produced in the mid-to-late 1970s. These models are distinguished by their air-cooled L-twin engines featuring signature desmodromic valve actuation, offering a potent blend of performance and distinctive Italian engineering. Designed by Fabio Taglioni, the 860 series represented a significant evolution in V-twin development, building upon the legacy of earlier models like the 750GT and 750 Sport. The GT variants generally offered a more touring-oriented experience, while the GTS models often featured sportier enhancements. Both are highly collectible machines appreciated for their robust mechanicals and engaging riding characteristics.

This comprehensive Service Workshop Manual provides in-depth guidance for the maintenance, repair, and overhaul of the 860 GT & GTS. It covers all essential systems, including complete engine and transmission service, fuel and ignition system tuning, electrical system diagnostics with detailed wiring diagrams, and chassis component maintenance. The manual includes step-by-step procedures for disassembly and installation, routine maintenance schedules, troubleshooting guides, and component rebuild instructions. Written by the manufacturer and used by dealerships, this authentic resource is invaluable for enthusiast owners, independent workshops, and dealerships seeking to maintain these classic motorcycles to the highest standards.