The BMW R80GS and R100GS models represent a significant chapter in motorcycle history, pioneering the dual-sport and adventure touring segment. Produced for the 1996 model year, these motorcycles are characterized by their robust, air-cooled boxer twin engines, known for their reliability and substantial torque, and a shaft drive system for low maintenance. Designed for both on-road comfort during long-distance touring and capability on unpaved surfaces, they offer a unique blend of performance and versatility. Their engineering quality and durability have cemented their status as iconic machines, capable of enduring extensive use. This comprehensive service repair workshop manual provides detailed guidance for the BMW R80GS and R100GS, covering all aspects of maintenance and repair. Within its pages, you will find in-depth instructions for engine overhaul, transmission service, fuel system maintenance, ignition system troubleshooting, and electrical system diagnostics. The manual also details procedures for suspension and steering, braking systems, wheel and tire service, exhaust systems, and frame and bodywork. It includes routine maintenance schedules, component rebuild instructions, and troubleshooting guides for common issues, empowering owners and technicians to effectively maintain and restore these celebrated motorcycles. 🏷️ Basic Information Identification Make: BMW Model: R80GS / R100GS Model Variant: R80GS, R100GS Year: 1996 Codes Chassis Codes: 247E (R80GS), 247B (R100GS) 👋 Introduction Market Position Market Segment: Dual-sport / Adventure motorcycle Competitive Analysis Competitors: Honda Africa Twin (XRV650/750), Yamaha Tenere, Kawasaki KLR650, Suzuki DR650. Key Features Design Philosophy: Robust, air-cooled boxer twin engine known for reliability and torque; shaft drive; capable off-road and comfortable for touring. 📋 Manual Details Coverage Areas Comprehensive Coverage: Yes, covers all aspects of service and repair for the specified models and year. Page Count Estimated Page Count: 300-500 (typical for comprehensive BMW motorcycle manuals of this era) Manual Type Manual Type: Service Repair Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Overhaul: Complete disassembly, inspection, repair, and reassembly of the boxer twin engine. Transmission Service: Gearbox disassembly, inspection, repair, and reassembly; clutch service and replacement. Fuel System: Carburetor (Dell'Orto or Bing) overhaul, adjustment, and troubleshooting; fuel tank and pump maintenance. Ignition System: Ignition timing, coil testing, spark plug specifications, and electronic ignition system troubleshooting. Electrical System: Wiring diagrams, battery maintenance, charging system (alternator, regulator), lighting, and starter motor. Suspension And Steering: Front fork (telelever or conventional) overhaul, rear shock absorber replacement, steering head bearing service. Braking System: Brake fluid replacement, caliper overhaul, pad replacement, disc inspection, and hydraulic system bleeding. Wheel And Tire Service: Wheel bearing replacement, spoke tensioning (if applicable), tire mounting and balancing. Exhaust System: Exhaust system inspection, gasket replacement, and muffler service. Frame And Bodywork: Frame inspection, fairing and body panel removal/installation, seat service. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain adjustment, brake checks, spark plug checks. Troubleshooting Guides: Diagnostic procedures for common problems across all major systems. Component Rebuilds: Detailed instructions for rebuilding engines, transmissions, carburetors, and brake calipers. Electrical Diagnostics: Step-by-step troubleshooting using wiring diagrams and component testing methods. Suspension Setup: Adjustments and overhaul procedures for front and rear suspension components. Technical Depth Technical Depth: Comprehensive, ranging from basic owner-level maintenance to in-depth professional workshop repairs and diagnostics. 📊 Manual Specifications File Format File Format: Searchable PDF Print Quality Print Quality: High-resolution scans, suitable for printing high-quality diagrams and text. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, four-stroke, boxer twin Engine Displacement R80: 797.5 cc Engine Displacement R100: 980 cc Bore X Stroke R80: 82.5 mm x 75 mm Bore X Stroke R100: 94 mm x 70.7 mm Compression Ratio R80: 8.2:1 Compression Ratio R100: 8.5:1 Horsepower R80 Approx: 50 hp @ 6500 rpm Horsepower R100 Approx: 60 hp @ 6250 rpm Torque R80 Approx: 56 Nm (41 lb-ft) @ 5000 rpm Torque R100 Approx: 70 Nm (52 lb-ft) @ 5000 rpm Fuel System Carburetors R80: 2 x Dell'Orto PHM 40 or Bing 40 Carburetors R100: 2 x Bing 40 Fuel Tank Capacity: 20 Liters (5.3 US gal) Fuel Type: Unleaded gasoline, minimum 91 RON 🔧 Transmission Standard Transmission Type: 5-speed manual Final Drive: Shaft drive Features Clutch Type: Single dry plate, diaphragm spring Transmission Fluid Type: SAE 80W-90 API GL-5 gear oil Transmission Fluid Capacity: Approx. 0.8 Liters 📐 Dimensions Exterior Length Approx: 2200 mm (86.6 in) Width Approx: 890 mm (35.0 in) Height Approx: 1370 mm (53.9 in) Weights Dry Weight R80 Approx: 215 kg (474 lbs) Dry Weight R100 Approx: 225 kg (496 lbs) Gvwr Approx: 430 kg (948 lbs) Seat Height Approx: 850 mm (33.5 in) 🛡️ Safety Features Ratings Safety Certification: ECE standards for motorcycles of the era Active Features Braking System Front: Dual 285 mm discs with dual-piston calipers (e.g., Brembo or Grimeca) Braking System Rear: 200 mm drum brake (early models) or single 285...