This manual covers the BMW R80GS and R1200C motorcycles, renowned for their robust engineering and enduring performance. The R80GS, produced from approximately 1987 to 1995, is a celebrated dual-sport machine, blending off-road prowess with touring comfort, powered by an air-cooled boxer-twin engine. The R1200C, manufactured between 1997 and 2004, offers a distinct cruiser experience, also featuring the iconic boxer-twin engine with advancements like electronic fuel injection and optional ABS. Both models exemplify BMW Motorrad's heritage of reliability and innovation, providing riders with dependable and engaging machines for a variety of riding conditions. This comprehensive Service/Repair/Workshop Manual, issued in March 1999 and presented in English, is designed to assist BMW owners, independent repair shops, and technicians in maintaining and repairing the R80GS and R1200C. It delves into detailed procedures for all major systems, including the engine top end, fuel and lubrication systems, clutch, transmission, brakes, suspension, steering, and electrical systems. The manual also provides routine maintenance guidelines, diagnostic procedures, component rebuild instructions, and essential torque specifications and wiring diagrams, ensuring thorough understanding and effective execution of all service and repair tasks. 🏷️ Basic Information Identification Make: BMW Model: R80GS / R1200C Model Variant: R80GS, R1200C Codes Product Id: BMW-R80GS-R1200C-RM-PDF 👋 Introduction Market Position Target Audience: BMW motorcycle owners seeking to perform maintenance and repairs themselves, independent repair shops, and enthusiasts. Competitive Analysis Value Proposition: Provides factory-level technical information, saving time and money on repairs compared to dealer labor rates. Key Features Authenticity: Same type of manual used by dealership technicians. Comprehensiveness: Includes all necessary instructions and diagrams for effective repair. Convenience: Instant download allows immediate access to repair information. 📋 Manual Details Coverage Areas Manual Type: Service / Repair / Workshop Manual Language: English Format: PDF Download Issuance Date: March 1999 Compatibility: All Versions of Windows & Mac Requirements: PDF reader 📖 Manual Coverage Systems Covered Engine Top End: Detailed procedures for cylinder head, valves, piston, rings, camshaft, and timing. Fuel System: Carburetor/injector servicing, fuel pump, fuel filter, and fuel tank procedures. Cooling System: Radiator, fan, coolant hoses, and thermostat maintenance and replacement. Engine Lubrication System: Oil pump, oil filter, oil pan, and lubrication circuit servicing. Clutch: Clutch assembly, pressure plate, friction plates, and clutch cable/hydraulic system. Engine Removal Installation: Comprehensive steps for engine removal and reinstallation from the chassis. Crankshaft Transmission: Gearbox servicing, gear selection, crankshaft, and bearing inspection. Wheels Tires: Wheel bearing inspection, tire mounting/balancing, and rim specifications. Final Drive: Shaft drive system servicing, universal joints, and final drive unit maintenance. Brakes: Brake pad/shoe replacement, caliper servicing, brake fluid replacement, and brake line inspection. Suspension: Front fork servicing (seals, oil), rear shock absorber inspection and replacement. Steering: Handlebar, steering head bearings, and steering linkage inspection and adjustment. Frame: Chassis inspection, frame integrity checks, and component mounting. Electrical System: Wiring diagrams, battery servicing, charging system (alternator, regulator), ignition system, and lighting. Appendix: Includes torque specifications, fastener information, and troubleshooting guides. Procedures Included General Information: Vehicle identification, general specifications, safety precautions, and special tools. Routine Maintenance: Oil changes, filter replacements, spark plug checks, chain lubrication (where applicable), and fluid level checks. Diagnostic Procedures: Troubleshooting common problems, fault finding for electrical and mechanical systems. Component Rebuild: Detailed instructions for disassembling, inspecting, repairing, and reassembling key components like engines, transmissions, and suspension. Torque Specifications: Precise torque values for all critical fasteners to ensure proper assembly and safety. Wiring Diagrams: Clear and detailed electrical schematics for troubleshooting and repair. Technical Depth Depth Level: Comprehensive, covering routine maintenance to full engine and chassis overhauls. Used by dealership technicians. 📊 Manual Specifications File Format File Type: PDF Searchable: Yes (typical for professional PDFs) Printable: Yes Print Quality Quality: Professional, high-resolution scans/digital reproduction suitable for printing. Binding Type Type: N/A (Digital PDF Download) Paper Type Type: N/A (Digital PDF Download) ⚙️ Engine Specifications Primary Engine Bmw R80Gs Engine Type: Air-cooled, four-stroke, boxer-twin engine Bmw R80Gs Displacement: Approximately 797.5 cc Bmw R80Gs Bore X Stroke: 80.9 mm x 78.2 mm (typical for R80 models) Bmw R80Gs Compression Ratio: Typically around 8.2:1 or 8.5:1, but specific value should be confirmed from manual Bmw R80Gs Power Output: Approximately 50 hp @ 6,500 rpm (figures vary by specific R80GS model/tuning) Bmw R80Gs Torque: Approximately 56 Nm @ 4,500 rpm (figures vary by specific R80GS model/tuning) Bmw R80Gs Fuel System: Dual Bing 32mm carburetors (typical for R80 models) Bmw R1200C Engine Type: Air/oil-cooled, four-stroke, boxer-twin engine Bmw R1200C Displacement: 1170 cc Bmw R1200C Bore X Stroke: 101 mm x 73 mm Bmw R1200C Compression Ratio: 11.0:1 Bmw R1200C Power Output: 61 kW (82 hp) @ 6,750 rpm Bmw R1200C Torque: 105 Nm (77 lb-ft) @ 5,750 rpm Bmw R1200C Fuel System: Electronic fuel injection (BMS-K) Performance Fuel Type: Unleaded gasoline, minimum 95 RON 🔧 Transmission Standard Bmw R80Gs Type: 5-speed manual gearbox Bmw R80Gs Clutch: Single dry plate, diaphragm spring Bmw R1200C...