This manual covers the K 1100 LT and K 1100 RS motorcycles, produced approximately from 1990 to 1999. These models are part of a renowned K-series, often referred to as the 'Flying Brick' family, celebrated for their robust engineering, touring capability, and inline-four engine performance. The K 1100 LT, with approximately 95 hp, and the K 1100 RS, with approximately 100 hp, both feature a liquid-cooled, four-stroke, 1093 cc inline-four engine, a 5-speed manual gearbox, and shaft drive. Notable technological features include the fuel injection system and the optional ABS II for enhanced braking safety. These motorcycles are recognized for their quality and performance, offering a reliable riding experience for various purposes, from daily commuting to long-distance touring. This comprehensive Service and Repair Manual in English provides detailed instructions for the maintenance, repair, and troubleshooting of your K 1100 LT or K 1100 RS. It covers all essential systems, including engine mechanicals, fuel preparation and control, cooling, exhaust, clutch, gearbox, engine electrics, fuel tank and lines, front fork, steering, brakes, wheels, tires, frame, and general electrical equipment such as instruments and lights. The manual includes maintenance schedules, general maintenance instructions, pre-delivery checks, and detailed repair procedures, supported by easy-to-read text and high-quality diagrams. It is an indispensable resource for owners and technicians aiming to maintain the optimal performance and longevity of their motorcycles, offering clear guidance on diagnostics and repair for common issues.