🏷️ Basic Information Identification Make: BMW Model: R850R Model Designation: R850R Vehicle Type: Motorcycle Generation Generation Code: R259 Series (Early) Codes Chassis Codes: R259 👋 Introduction Market Position Segment: Touring/Sport Touring Motorcycle Target Audience: BMW R850R owners, independent motorcycle mechanics, enthusiasts seeking detailed technical information Competitive Analysis Competitors: Other mid-range touring motorcycles of the era (e.g., Honda ST1100, Yamaha FJ1200, Kawasaki GTR1000) Key Features Model Philosophy: A more accessible and user-friendly version of BMW's boxer-twin touring platform, emphasizing comfort and reliability Manual Value Proposition: Provides essential technical knowledge for maintaining and repairing the R850R, reducing reliance on expensive dealership services. 📋 Manual Details Coverage Areas Years Covered: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 Page Count Estimated Pages: 300-400 Manual Type Type: Full Service Repair Manual Language Language: English Format Format: Digital (likely PDF, but not explicitly stated, assuming standard for online sales) 📖 Manual Coverage Systems Covered Engine: Complete overhaul, tuning, diagnostics, fuel injection, ignition system, lubrication, cooling Transmission: Clutch, gearbox, final drive (shaft drive), maintenance, repair Chassis: Frame, suspension (front forks, rear shock absorber), steering, wheels, tires, braking system (ABS optional) Electrical System: Wiring diagrams, battery, charging system, starter, lighting, instrumentation, ignition, EFI system components Bodywork: Fairings, seat, fuel tank, fenders, maintenance, removal, installation Procedures Included Maintenance: Scheduled servicing, oil changes, filter replacement, spark plug service, brake fluid flush, coolant service Repair: Component disassembly, assembly, troubleshooting, common fault diagnosis, replacement procedures Troubleshooting: Diagnostic charts, common problems and solutions, electrical system fault finding Diagnostics: EFI system diagnostics, ignition system checks, mechanical component testing Technical Depth Depth: Comprehensive (from basic owner maintenance to complete engine/transmission rebuilds) 📊 Manual Specifications File Format File Type: PDF (assumed standard for digital distribution) Print Quality Print Resolution: High-resolution, suitable for printing Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, four-stroke, horizontally-opposed twin-cylinder (Boxer) Displacement: 848 cc Bore X Stroke: 90.0 mm x 66.0 mm Compression Ratio: 10.0:1 Valve Train: OHV, 2 valves per cylinder, pushrod actuated Performance Horsepower: 70 hp (52 kW) @ 6750 rpm (approx.) Torque: 78 Nm (57.5 lb-ft) @ 4750 rpm (approx.) Fuel System Fuel Delivery: Bosch Motronic Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline (95 RON recommended) Lubrication Oil Capacity: 3.5 Liters (3.7 US qt) (with filter change) Oil Specification: SAE 20W-50 or 10W-40 API SG or higher (check manual for exact BMW spec) Cooling Cooling System: Air-cooled 🔧 Transmission Standard Transmission Type: 5-speed manual Features Drive: Shaft drive Clutch Type: Single dry plate, cable operated Final Drive Oil Specification: SAE 90 GL-5 hypoid gear oil 📐 Dimensions Exterior Length: Approx. 2230 mm (87.8 in) Width: Approx. 910 mm (35.8 in) (over handlebars) Height: Approx. 1350 mm (53.1 in) (to handlebars) Wheelbase: Approx. 1430 mm (56.3 in) Weights Dry Weight: Approx. 215 kg (474 lbs) Wet Weight: Approx. 230 kg (507 lbs) (fully fueled) Gross Vehicle Weight Rating: Approx. 450 kg (992 lbs) Cargo Fuel Tank Capacity: 26 Liters (6.9 US gal) 🛡️ Safety Features Ratings Crash Test Results: N/A (Motorcycle safety is assessed differently) Active Features Brakes Front: Dual disc, 305 mm diameter, 4-piston calipers Brakes Rear: Single disc, 276 mm diameter, 2-piston caliper ABS: Optional BMW Motorrad ABS (Anti-lock Braking System) Passive Features Lighting: Halogen headlight, LED taillight Tires Front: 110/80 ZR 18 Tires Rear: 140/80 R 17 💡 Technology Features Infotainment Instrumentation: Analog tachometer, digital speedometer, fuel gauge, gear indicator, warning lights. Audio System: N/A (No factory-fitted audio system) Driver Assistance ABS: Available as an option, enhancing braking safety. Connectivity Diagnostics Port: Motronic diagnostic connector for engine management system checks. 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 km (6,200 miles) or annually Major Service Interval: Every 20,000 km (12,500 miles) including valve clearance check, spark plug replacement. Brake Fluid Change: Every 2 years Fluid Specifications Coolant Type: BMW approved coolant or equivalent ethylene glycol based antifreeze with corrosion inhibitors (e.g., Prestone 50/50 mix) Brake Fluid Type: DOT 4 Known Issues Common Wear Items: Clutch wear, fuel pump issues (especially with ethanol fuels), starter motor brushes, rear shock absorber damping Electrical Gremlins: Can occur due to aging wiring or connections, particularly to the Motronic unit or ABS sensors. Fuel Injection Tuning: Requires specialized knowledge for optimal performance and idle stability. Spark Plugs: Specific NGK or Champion plugs recommended, crucial for correct ignition timing. 📚 Vehicle History Brand Heritage Brand Origin: Germany Brand Specialty: Pioneering motorcycle engineering, particularly boxer engines and shaft drive systems. Model Evolution Development Context: Introduced as a more accessible alternative to the larger R1100 series, offering the signature BMW boxer character in a slightly smaller package. Series Relation: Part of the R259 family, which also included the R850GS, R1100R, R1100RT, R1100GS, R1100RS, and R1100S. Production Production Period: 1994-2001 Manufacturing Location: Berlin, Germany 🏆 Awards & Recognition Recognitions Model...