This manual covers the R1100R and R1100S models produced between 1999 and 2005. These motorcycles are renowned for their air-cooled, four-stroke boxer twin-cylinder engines, with displacements of 1085 cc, delivering approximately 90-98 horsepower. They feature advanced engineering for their time, including electronic fuel injection and a shaft drive system. The R1100 series represents a significant evolution in motorcycle heritage, offering a blend of performance, comfort, and durability, making them popular for both daily commuting and long-distance touring. This comprehensive factory service repair manual provides detailed instructions for the maintenance and repair of your R1100R or R1100S. It covers all major systems, including the fuel, cooling, engine top end, clutch, lubrication, transmission, drivetrain, brakes, suspension, steering, frame, and electrical systems. With hundreds of pages of information, step-by-step repair procedures, troubleshooting guides, and detailed illustrations, this manual is an essential resource for DIY enthusiasts and professional mechanics alike, ensuring the longevity and optimal performance of your motorcycle. 🏷️ Basic Information Identification Make: BMW Model: R1100R / R1100S Model Codes: R1100R, R1100S Model Years: 1999, 2000, 2001, 2002, 2003, 2004, 2005 👋 Introduction Market Position Target Audience: DIY enthusiasts and experienced professional mechanics. Competitive Analysis Advantage: Offers a cost-effective alternative to expensive dealership service by providing complete factory-level repair information. Key Features Features: Hundreds of pages, detailed illustrations, step-by-step instructions, troubleshooting guides, electrical diagrams, printable format. 📋 Manual Details Coverage Areas Primary Coverage: Complete service and repair for BMW R1100R and R1100S models Secondary Coverage: Includes general information, fuel system, cooling system, engine top end, clutch, lubrication, engine removal/installation, crankshaft/transmission, wheels/tires, final drive, brakes, suspension, steering, frame, electrical system, and appendix. Page Count Estimated Page Count: Hundreds of pages (specific count not provided, but indicative of a comprehensive manual) Manual Type Type: Factory Service Repair Manual / Workshop Manual Language Language: English Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Fuel system, cooling system, engine top end (cylinder heads, valves, cams), lubrication system, engine removal and installation. Drivetrain Systems: Clutch, crankshaft, transmission, final drive, wheels, and tires. Chassis Systems: Brakes, suspension (front and rear), steering, and frame. Electrical Systems: Complete electrical system diagnostics and repair, including wiring diagrams and troubleshooting procedures. Procedures Included Maintenance Procedures: Regular scheduled maintenance, fluid changes, filter replacements, inspections. Repair Procedures: Step-by-step instructions for disassembly, repair, and reassembly of all major components and systems. Diagnostic Procedures: Troubleshooting guides and methods for identifying and resolving common and complex issues. Technical Depth Depth: Comprehensive, covering basic maintenance to complete engine and transmission overhauls. Includes detailed illustrations and photos. 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Printable without restriction, allowing for printing of specific pages or the entire manual. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Software Requirements Reader: Adobe PDF Reader Delivery Method Delivery: Instant download link available after payment. ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, four-stroke boxer twin-cylinder engine Engine Displacement: 1085 cc (for R1100R and R1100S) Performance Horsepower Approximate: R1100R: ~90 HP; R1100S: ~98 HP (depending on specific model year and tune) Torque Approximate: R1100R: ~9.5 kgm (approx. 93 Nm); R1100S: ~9.9 kgm (approx. 97 Nm) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), Bosch Motronic (typically) Fuel Type: Unleaded gasoline (minimum 91 RON recommended) Cooling System Cooling Method: Air-cooled with oil cooling circuit. 🔧 Transmission Standard Type: 5-speed manual transmission Features Drive Type: Shaft drive (via Paralever single-sided swingarm) 📐 Dimensions Exterior Wheelbase Approximate: R1100R: approx. 1430 mm (56.3 in); R1100S: approx. 1445 mm (56.9 in) Weights Dry Weight Approximate: R1100R: approx. 230 kg (507 lbs); R1100S: approx. 227 kg (500 lbs) 🛡️ Safety Features Ratings Crash Safety: Not applicable (motorcycle; refers to component safety and system integrity). Active Features Braking System: Optional BMW Integral ABS (Anti-lock Braking System) available on many models. Passive Features Lighting: Halogen headlight, LED taillight/brake light. 💡 Technology Features Infotainment Instrumentation: Analog speedometer and tachometer, LCD display for odometer, trip meter, clock, gear indicator (on some models). Driver Assistance ABS: Integral ABS system, a pioneering feature for its time, which integrated front and rear braking controls. Connectivity Diagnostic Ports: Diagnostic connector for use with BMW's diagnostic tools (covered in the manual). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 km or 12 months, whichever comes first (refer to manual for exact specifications). Valve Clearance Check: Typically every 20,000 km or 24 months. Fluid Specifications Engine Oil Type: SAE 20W-50 or 15W-50 synthetic or semi-synthetic motorcycle oil meeting API SG/SH or higher specifications. Gearbox Oil Type: SAE 80W-90 hypoid gear oil (API GL-5). Final Drive Oil Type: SAE 80W-90 hypoid gear oil (API GL-5). Brake Fluid Type: DOT 4 hydraulic fluid. Known Issues Common Wear Items: Clutch wear, fork seal leaks, ABS sensor issues (on equipped models), fuel pump issues, regulator/rectifier failures, transmission input shaft spline wear....