This manual covers the R80GS and R100R motorcycles, produced from 1987-1996 and 1991-1995 respectively. These iconic dual-sport adventure touring motorcycles are renowned for their robust boxer twin engines, versatile capabilities, and enduring reliability. The R80GS, featuring an 800cc engine and long-travel suspension, excels in both on-road touring and light off-road excursions, while the R100R offers a more powerful 1000cc engine and the refined Monolever rear suspension for enhanced comfort and handling during extended journeys. Both models represent a significant chapter in the legacy of producing capable and dependable motorcycles.

This comprehensive workshop manual provides detailed guidance for the maintenance, repair, and troubleshooting of your R80GS or R100R. It covers all major mechanical and electrical systems, including in-depth engine overhaul procedures for both the 797.5cc and 980cc boxer engines, transmission and clutch service, fuel system adjustments, and complete electrical system diagnostics with wiring diagrams. The manual also details procedures for suspension, braking systems, and chassis components, along with routine maintenance schedules and fluid specifications. It is an essential resource for owners, technicians, and mechanics seeking to preserve the performance and longevity of these classic machines.