The R 80 GS and R 100 GS, produced in 1984, represent iconic adventure touring motorcycles renowned for their robust engineering and go-anywhere capability. These air-cooled, horizontally opposed twin-cylinder boxer engines, with displacements of 797.5 cc for the R 80 GS and 980 cc for the R 100 GS, delivered dependable performance for diverse riding conditions. Building on a long-standing tradition of producing durable and reliable motorcycles, the GS lineage pioneered the adventure touring segment, offering a unique blend of off-road prowess and long-distance comfort, making them highly sought after for their versatility and enduring quality.

This comprehensive workshop and service manual provides detailed guidance for the maintenance, repair, and troubleshooting of your R 80 GS or R 100 GS. It covers all essential systems, including the engine, transmission, drivetrain, fuel system, ignition, electrical components, brakes, suspension, wheels, and chassis. With over 300 pages of information, this English-language resource offers step-by-step procedures for routine maintenance, complete engine and transmission overhauls, and detailed diagnostics, empowering both owners and professional technicians to keep these legendary machines in optimal condition.