🏷️ Basic Information Identification Make: BMW Model: R850R Model Variant: R850GS Year: 1996 Codes Vin Prefix: WBA 👋 Introduction Market Position Segment: Adventure Touring Motorcycle Competitors 1996: Honda Africa Twin, Yamaha TDM, Ducati Multistrada (early variants), Suzuki V-Strom (later) Key Features Engine Configuration: Flat-twin (Boxer) engine Suspension Type: Telelever front, Paralever rear Drivetrain: Shaft drive ABS: Standard or optional ABS II system 📋 Manual Details Coverage Areas Engine: All models, engines, trim, transmissions Page Count Estimated Pages: 300-500 Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine disassembly, assembly, troubleshooting, component testing, lubrication, cooling system, oil system Fuel System: Fuel injection system (Bosch Motronic), fuel pump, injectors, throttle body, fuel filter replacement Ignition System: Ignition coils, spark plugs, timing, electronic control unit (ECU) diagnostics Transmission Drivetrain: Clutch operation and adjustment, gearbox overhaul, shaft and bearing inspection, final drive maintenance Suspension Steering: Front Telelever suspension, rear Paralever suspension, fork seals, shock absorber replacement, steering head bearing adjustment Brakes: ABS II (Anti-lock Braking System) service, brake pad replacement, brake fluid flush and bleed, caliper overhaul, rotor inspection Electrical System: Wiring diagrams, battery maintenance, alternator, starter motor, lighting system, fuse box, diagnostic connectors Bodywork Chassis: Fairing removal and installation, seat adjustment, fuel tank removal, frame inspection, luggage system mounting Procedures Included Routine Maintenance: Oil and filter change, air filter cleaning/replacement, spark plug replacement, valve clearance adjustment, drive shaft lubrication Troubleshooting: Diagnostic procedures for engine, electrical, and mechanical faults, error code interpretation (if applicable) Component Repair: Detailed step-by-step instructions for component repair and replacement across all major systems Overhaul Rebuild: Complete engine and transmission overhaul procedures, including torque specifications and clearances Technical Depth Depth: Comprehensive, from basic servicing to complete engine rebuilds and advanced diagnostics 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Searchability: Text-searchable PDF for quick information retrieval Print Quality Printability: Printable pages for convenient workshop use Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, air-cooled flat-twin (boxer) engine Displacement: 848 cc (850cc class) Bore X Stroke: 90.0 mm x 66.0 mm Compression Ratio: 10.0:1 Performance Horsepower: Approximately 70 hp @ 6,750 rpm Torque: Approximately 75 Nm (55 lb-ft) @ 5,000 rpm Fuel System Fuel Delivery: Bosch Motronic Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline, minimum 95 RON Engine Management ECU Type: Bosch Motronic M (specific variant applicable) 🔧 Transmission Standard Gearbox Type: 5-speed manual transmission Features Clutch: Single dry plate clutch, hydraulically actuated Final Drive: Shaft drive to rear wheel 📐 Dimensions Exterior Length: Approx. 2,230 mm (87.8 in) Width: Approx. 900 mm (35.4 in) over handlebars Height: Approx. 1,300 mm (51.2 in) to handlebars Weights Dry Weight: Approx. 210 kg (463 lbs) Gross Vehicle Weight: Approx. 440 kg (970 lbs) Wheels Tires Front Tire Size: 110/80 R18 Rear Tire Size: 140/80 R17 Wheel Type: Spoked wheels Fuel Capacity Fuel Tank Capacity: 25 Liters (6.6 US gal), including reserve 🛡️ Safety Features Ratings ABS System: BMW ABS II (Anti-lock Braking System) Active Features Braking System: Dual front disc brakes, single rear disc brake Passive Features Frame Construction: Trellis frame 💡 Technology Features Infotainment Standard Features: Basic instrumentation (speedometer, tachometer, fuel gauge, odometer). Optional heated grips. Driver Assistance ABS System: BMW's robust ABS II system was a significant technological offering for the era. Connectivity Diagnostic Interface: On-board diagnostics (OBD) via specific BMW diagnostic connectors, not standard OBD-II. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 km (6,200 miles) or annually, whichever comes first. Valve Clearance Interval: Typically every 20,000 km (12,400 miles). Spark Plug Replacement Interval: Refer to manual, typically around 20,000-30,000 km. Fluid Specifications Engine Oil Type: SAE 20W-50 or SAE 15W-40 API SG or higher (refer to specific manual for exact BMW approval). Engine Oil Capacity: Approx. 3.0 Liters (3.2 US quarts) with filter change. Brake Fluid Type: DOT 4 or DOT 5.1 brake fluid. Transmission Oil Type: Hypoid gear oil, SAE 90 API GL-5 (for final drive). Known Issues Fuel Pump Reliability: Early fuel pumps could be a point of failure, requiring replacement. Telelever Pivot Bearings: Wear in the Telelever pivot bearings can lead to steering looseness; requires periodic inspection and greasing. Clutch Actuator Seal: Potential for leaks from the clutch slave cylinder seal. 📚 Vehicle History Brand Heritage Bmw Motorcycle History: BMW has a long and storied history in motorcycle manufacturing, beginning in 1923, known for its boxer engines and robust engineering. Model Evolution R Series Heritage: The R850R/GS are part of the R-series tradition, evolving from earlier 800cc and 1000cc models, offering a balance of power and manageability. Gs Lineage: The GS designation signifies BMW's 'Gelände/Straße' (off-road/street) dual-purpose motorcycles, emphasizing versatility. Production Production Period: The R850 models were produced from the mid-1990s into the early...