🏷️ Basic Information Identification Make: BMW Model: R850R Model Variant: R850GS Year: 1995 Codes Chassis Code Prefix: R259 👋 Introduction Market Position Segment: Touring/Adventure motorcycle segment, known for versatility and boxer-twin character Competitive Analysis Competitors Era: Honda VFR/Africa Twin, Yamaha XT/Super Tenere, Suzuki DR Big, Kawasaki KLR Key Features Engine Layout: Air-cooled flat-twin boxer engine Drivetrain Type: Shaft drive Suspension Design: Typically features BMW's Telelever front suspension for improved handling and stability (though some R850 variants might differ slightly) 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service, maintenance, and repair for all R850R and R850GS models Secondary Coverage: Troubleshooting, diagnostics, technical specifications Page Count Estimated Pages: High (typical workshop manuals for this era are 500+ pages, exact count not provided) Manual Type Type: Workshop Repair Service Manual Language Language: English (assumed, common for official BMW service documentation) Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine disassembly, assembly, component specifications, timing, valve clearance Engine Management: Fuel injection system, ignition system, sensor diagnostics, ECU troubleshooting Transmission Drivetrain: Gearbox service, clutch operation, final drive maintenance, shaft drive inspection Suspension Steering: Front fork (telelever or conventional depending on exact R850 variant), rear monoshock, steering head bearing service Brakes: ABS system (if equipped), brake fluid changes, caliper overhaul, disc inspection, hydraulic lines Electrical System: Wiring diagrams, battery, charging system (alternator, regulator), lighting, starter motor, fuses, relays Bodywork Chassis: Frame inspection, body panel removal/installation, seat, fairings, luggage systems Exhaust System: Exhaust components, lambda sensor (if applicable), catalytic converter (if applicable) Wheels Tires: Wheel bearing maintenance, tire replacement, wheel balancing Procedures Included Routine Maintenance: Oil and filter changes, spark plug replacement, air filter service, brake adjustments Scheduled Maintenance: Valve clearance checks, drive shaft spline lubrication, fork oil changes Troubleshooting Diagnostics: Systematic fault finding, error codes, electrical diagnostics Component Rebuild: Detailed procedures for major component overhauls (engine, gearbox, suspension) Torque Specifications: Crucial torque values for all fasteners and assemblies Special Tools: Identification and usage of BMW-specific tools Technical Depth Depth Level: Professional-grade, suitable for dealership technicians and experienced home mechanics Diagnostic Tools Interface: References to diagnostic procedures and potential interface requirements (e.g., BMW diagnostic tools) 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable if properly generated from original documentation Print Quality Resolution: Varies based on source, but typically good for technical diagrams and text Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, air-cooled flat-twin boxer engine Displacement: 848 cc Bore X Stroke: 90.0 mm x 66.0 mm (typical for this engine family) Compression Ratio: 9.2:1 (typical) Performance Horsepower: Approx. 70 hp @ 7250 rpm (factory spec) Torque: Approx. 75 Nm (55 lb-ft) @ 5000 rpm (factory spec) Fuel System Fuel Delivery: Bosch Motronic electronic fuel injection (EFI) Fuel Type: Unleaded gasoline (RON 91 or higher recommended) Ignition System Ignition Type: Electronic ignition (BMW Motronic) Cooling System Cooling Method: Air-cooled 🔧 Transmission Standard Transmission Type: 5-speed manual gearbox Clutch Type: Single dry plate, hydraulically operated Features Final Drive: Shaft drive with single-sided swingarm 📐 Dimensions Exterior Length: Approx. 2230 mm (R850GS specific, can vary) Width: Approx. 900 mm (R850GS specific, can vary) Height: Approx. 1380 mm (R850GS specific, can vary) Weights Dry Weight: Approx. 215 kg (R850GS specific, can vary) Gross Vehicle Weight: Approx. 450 kg (typical) Fuel Tank Capacity: Approx. 20 liters (including reserve) 🛡️ Safety Features Ratings ABS Availability: Optional ABS II system available Active Features Braking System: Dual front disc brakes, single rear disc brake Lighting: Halogen headlight, LED taillight (common) Passive Features Frame Construction: Steel tube frame Tire Sizes Front: 110/80 R18 (typical for R850GS) Tire Sizes Rear: 130/80 R17 (typical for R850GS) 💡 Technology Features Infotainment Infotainment System: Basic, no integrated infotainment system typical for this era. Focus on mechanical and electrical systems. Driver Assistance ABS: Optional ABS II system available on many models, which is a significant safety technology for its time. Connectivity Connectivity Features: None. Focus is on core motorcycle functionality. 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 km or annually (refer to manual for specific confirmation) Valve Clearance Check: Every 20,000 km (typical for this era BMW boxer engines) Drive Shaft Spline Lubrication: Recommended every 10,000-20,000 km (critical for longevity) Fluid Specifications Engine Oil Type: SAE 15W-50 or 20W-50 API SG or higher (verify in manual) Engine Oil Capacity: Approx. 3.0 liters (with filter change) Brake Fluid Type: DOT 4 (or DOT 3 if specified by BMW for ABS II) Transmission Oil Type: Hypoid gear oil, SAE 80W-90 API GL-5 Final Drive Oil Type: Hypoid gear oil, SAE 80W-90 API GL-5 Known Issues Common Wear Items: Clutch wear, rear shock absorber wear, fuel pump (occasional), starter motor brushes Electrical Gremlins: Can occur on older bikes; check grounding points and connectors. Telelever Joint Play: Check for wear in the Telelever...