🏷️ Basic Information Identification Make: BMW Model: R850R Year: 1998 Product Type: Workshop Repair Service Manual Product Format: PDF Download 👋 Introduction Market Position Target Audience: Owners and independent repair shops specializing in BMW motorcycles. Competitive Analysis Value Proposition: Provides comprehensive factory-level repair and maintenance information, crucial for preserving the performance and longevity of a classic BMW motorcycle. Key Features Uniqueness: Focuses on a specific model and year, ensuring relevance and accuracy for the target vehicle. 📋 Manual Details Coverage Areas General Coverage: All Models/Engines/Trim/Transmissions Types Page Count Estimated Page Count: Approximately 400-500 pages (typical for this era and model complexity) Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: Detailed disassembly, assembly, inspection, and repair procedures for the R850 boxer twin engine. Fuel System: Fuel injection system (Bosch Motronic), fuel pump, injectors, fuel lines, throttle body maintenance and troubleshooting. Ignition System: Ignition coils, spark plugs, ECU control, timing adjustments. Transmission: Five-speed gearbox, clutch (dry single-plate), final drive, transmission fluid specifications and replacement. Suspension: Front Telelever suspension, rear Monolever swingarm, shock absorbers, fork seals, wheel bearings, steering head bearings. Brakes: Integral ABS II (if equipped), front and rear brake calipers, master cylinders, brake fluid specifications and bleeding procedures, disc and pad replacement. Electrical System: Wiring diagrams, battery, alternator, starter motor, lighting system, instrument cluster, fuses, relays, starter interlock. Chassis And Bodywork: Frame inspection, body panel removal and installation, seat, handlebars, footpegs, exhaust system. Procedures Included Scheduled Maintenance: Detailed step-by-step instructions for all scheduled maintenance tasks at various mileage intervals. Troubleshooting: Diagnostic guides and flowcharts for common and uncommon problems, fault codes (if applicable). Repair Procedures: Comprehensive instructions for component removal, repair, and reinstallation. Engine Rebuild: Torque specifications, piston and cylinder dimensions, valve clearance adjustment, crankshaft and connecting rod procedures. Diagnostic Tests: Procedures for testing various electrical and mechanical components using specialized tools or basic methods. Technical Depth Depth Of Coverage: In-depth, professional-level technical information suitable for experienced mechanics and dedicated DIY enthusiasts. Diagnostic Capabilities: Covers advanced diagnostics for engine management, ABS, and other electronic systems. 📊 Manual Specifications File Format File Format: PDF Searchability: Likely text-searchable, allowing for quick information retrieval. Print Quality Print Quality: High resolution, suitable for printing individual pages or the entire manual. 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 flat-twin (boxer) engine Displacement: 848 cc (850cc designation) Bore X Stroke: 90.0 mm x 66.0 mm Compression Ratio: 9.2:1 Valve Train: Overhead camshaft (SOHC), 2 valves per cylinder, pushrod actuated. Power Output Hp: Approx. 70 hp (52 kW) @ 7000 rpm (varies slightly by market) Torque Output Lb-Ft: Approx. 76 Nm (56 lb-ft) @ 5000 rpm (varies slightly by market) Fuel System Fuel Delivery: Electronic fuel injection (Bosch Motronic 2.4) Fuel Type: Unleaded gasoline, minimum 95 RON Cooling System Cooling Method: Air cooling 🔧 Transmission Standard Transmission Type: 5-speed manual gearbox Clutch Type: Dry, single-plate diaphragm spring clutch Final Drive: Shaft drive via BMW's Monolever system Features Gear Ratios: Specific ratios available in manual; includes primary, 1st, 2nd, 3rd, 4th, 5th, and final drive ratio. Fluid Specifications Transmission Fluid Type: SAE 75W-90 API GL-5 (or specified BMW equivalent) Fluid Capacities Transmission Oil Capacity: Approx. 0.9 Liters 📐 Dimensions Exterior Length: Approx. 2180 mm (85.8 in) Width Over Handlebars: Approx. 840 mm (33.1 in) Seat Height: Approx. 800 mm (31.5 in) (standard seat) Weights Dry Weight: Approx. 210 kg (463 lbs) Gross Vehicle Weight Rating: Approx. 430 kg (948 lbs) Fuel Tank Capacity: 19.0 liters (5.0 US gal) 🛡️ Safety Features Ratings ABS System: BMW Integral ABS II (optional on some models, standard on others, covered if equipped). Active Features Braking System: Disc brakes front and rear with ABS capability. Specific caliper and rotor details provided. Passive Features Lighting: Halogen headlight, tail light, turn signals, brake light functionality and maintenance. 💡 Technology Features Infotainment Instrument Cluster: Analog speedometer and tachometer, LCD display for odometer, trip meter, clock, and warning lights. Indicator for heated grips (if equipped). Driver Assistance ABS System: Integral ABS II (optional, provides anti-lock braking for both wheels, controllable via brake lever). Connectivity Diagnostic Interface: Diagnostic port for electronic fault diagnosis (requires specialized BMW tools or compatible aftermarket scanners). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 km (6,000 miles) or annually, whichever comes first (refer to manual for exact specification). Valve Clearance Check: Generally at 20,000 km (12,000 miles) or as specified for this model. Major Service Interval: Detailed in the manual, often involving drivetrain inspection, filter changes, and fluid flushes. Fluid Specifications Engine Oil Type: SAE 20W-50 API SG or higher (BMW recommended or equivalent) Engine Oil Capacity: Approx. 2.75 Liters (with filter change) Brake Fluid Type: DOT 4 (or as specified by BMW...