🏷️ Basic Information Identification Make: BMW Model: R 850 GS / R 850 R Generation Model Years Covered: 2000, 2001, 2002, 2003, 2004, 2005 Codes Engine Code Group: R22 👋 Introduction Market Position Vehicle Segment: Adventure Touring / Roadster (depending on specific model variant) Target Audience: Owners seeking to perform their own maintenance and repairs, enthusiasts, independent workshops. Competitive Analysis Key Competitors: Honda VFR800, Triumph Tiger 955i, Ducati Multistrada 1000 (for GS variant); Honda CB900F, Triumph Bonneville (for R variant). Key Features Manual Benefit: Significant cost savings on dealership servicing and repairs. Manual Utility: Enables owners to maintain their motorcycles to factory standards, prolonging lifespan and preserving value. 📋 Manual Details Coverage Areas Manual Type: Service Repair Workshop Manual Language: English Format: Digital Download (PDF) Page Count Estimated Page Count: 400-600 (typical for this era and scope) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, top-end (cylinder heads, valves, camshafts), bottom-end (crankshaft, con-rods, bearings), timing, oil pump, lubrication system. Engine Management: Fuel injection system (throttle body, injectors, sensors - O2, MAP, TPS), ignition system (spark plugs, coils, ECU), starting system (starter motor, solenoid), charging system (alternator, regulator/rectifier). Transmission Drivetrain: Clutch (operation, adjustment, replacement), gearbox (gear selection, maintenance, overhaul), final drive (bevel gear, driveshaft, U-joint inspection). Chassis Suspension: Front forks (telescopic, seals, oil, adjustment), rear shock absorber (MonoLever or Paralever system, adjustment, rebuild), wheel bearings, steering head bearings. Brakes: Front and rear brake systems (discs, calipers, master cylinders, brake lines), ABS system (if equipped), bleeding procedures, pad replacement, rotor specifications. Electrical System: Wiring diagrams, component testing (lights, horn, indicators), battery maintenance, fuse box layout, diagnostic connectors. Fuel System: Fuel tank, fuel pump, fuel filter, fuel lines, EFI system diagnostics. Bodywork Fittings: Fairings, seat removal, tank removal, luggage systems (attachment points), fenders. Procedures Included Routine Maintenance: Oil and filter changes, spark plug replacement, air filter cleaning/replacement, chain/driveshaft lubrication, brake fluid flush, coolant flush. Troubleshooting: Diagnostic flowcharts for common starting, running, electrical, and braking issues. Component Overhaul: Detailed step-by-step instructions for rebuilding engine components, gearboxes, and suspension units. Wiring Diagrams: Comprehensive electrical schematics for all systems. Torque Specifications: Critical torque values for all fasteners during assembly and disassembly. Special Tools: Identification and use of specialized BMW tools required for specific procedures. Technical Depth Level Of Detail: Comprehensive (from basic maintenance to complete engine and gearbox rebuilds). Diagnostics: Includes diagnostic procedures for EFI and ignition systems, component testing. Repair Procedures: Detailed, illustrated step-by-step repair instructions for all major vehicle systems. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Searchability: Text-searchable content for quick information retrieval. Print Quality Resolution: High resolution for clear diagrams and text. Illustrations: Detailed diagrams, exploded views, and photographic illustrations. Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Air/oil-cooled, four-stroke, flat-twin (Boxer) engine Displacement: 848 cc (848 cubic centimeters) Bore X Stroke: 90.5 mm x 66 mm Compression Ratio: 10.0:1 Valve Train: 2 valves per cylinder, OHC (Overhead Camshaft) Power Output Ps: Approx. 70-72 PS (51-53 kW) @ 7,500 rpm (model dependent) Power Output Hp: Approx. 70-72 hp (model dependent) Torque: Approx. 75-77 Nm (55-57 lb-ft) @ 5,500 rpm (model dependent) Performance Top Speed Gs: Approx. 180 km/h (112 mph) Top Speed R: Approx. 185 km/h (115 mph) Fuel System Fuel Delivery: Electronic Fuel Injection (BMW Synthesized Fuel Injection - BMS-K variant typical) Fuel Type: Unleaded gasoline, minimum 95 RON Fuel Capacity: Approx. 25 Liters (6.6 US gal) for R850GS, 20 Liters (5.3 US gal) for R850R 🔧 Transmission Standard Transmission Type: 5-speed manual gearbox Optional ABS Availability: Optional ABS II system available on some models Features Clutch Type: Dry single-plate clutch Final Drive: Shaft drive Gearbox Oil Type: BMW recommended gear oil (e.g., SAE 75W-90, API GL-5) 📐 Dimensions Exterior Wheelbase Gs: Approx. 1,440 mm (56.7 in) Wheelbase R: Approx. 1,420 mm (55.9 in) Weights Dry Weight Gs: Approx. 200 kg (441 lbs) Wet Weight Gs: Approx. 215 kg (474 lbs) Dry Weight R: Approx. 197 kg (434 lbs) Wet Weight R: Approx. 210 kg (463 lbs) Tires Front Tire Gs: 90/90-21 M/C 54V Rear Tire Gs: 120/90-17 M/C 64V Front Tire R: 110/80 R 18 58V Rear Tire R: 140/80 R 17 69V 🛡️ Safety Features Ratings Crash Safety: N/A (Motorcycle safety ratings are typically not standardized in the same way as cars) Active Features ABS System: Optional ABS II on certain models, providing anti-lock braking for enhanced control. Passive Features Lighting: Halogen headlight, LED taillight (typical for the era). Braking System: Dual disc front brake, single disc rear brake (with potential for ABS). 💡 Technology Features Infotainment Instrumentation: Analog tachometer and speedometer, LCD multi-function display (fuel level, odometer, trip meter, clock, gear indicator on some models). Driver Assistance ABS: Optional ABS II system for enhanced braking safety. Connectivity Diagnostics Port:...