🏷️ Basic Information Identification Make: BMW Model: R 850 R Model Code: R21 Generation Generation: First Generation 👋 Introduction Market Position Segment: Sport Touring / Roadster Motorcycle Target Audience: Owners and independent mechanics seeking detailed maintenance and repair information Competitive Analysis Competitors: Honda ST1100, Yamaha FJ1200, Kawasaki GTR1000, Moto Guzzi California Key Features Vehicle Philosophy: Comfortable, reliable, and capable touring motorcycle with BMW's signature boxer-twin engine and shaft drive. Manual Value Proposition: Provides expert-level guidance to maintain and repair the R 850 R, saving time and money compared to dealership service. 📋 Manual Details Coverage Areas Applicable Years: 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 Regions Covered: Global (Specifications may vary slightly by market) Page Count Estimated Page Count: Approximately 300-500 pages (typical for this model's comprehensive manuals) Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine Service: Yes (including engine disassembly, assembly, tuning, and component replacement) Transmission Service: Yes (including gearbox operation, maintenance, and repair) Fuel System Service: Yes (including fuel injection system, fuel pump, injectors, and sensors) Electrical System Service: Yes (including wiring diagrams, starter system, charging system, ignition system, lighting) Brake System Service: Yes (including ABS, hydraulic system, caliper maintenance, fluid replacement) Suspension Service: Yes (including front forks, rear shock absorber, linkages) Chassis And Bodywork: Yes (including frame inspection, fairings, seat, fuel tank removal and installation) Cooling System Service: Yes (for oil cooling system) Exhaust System Service: Yes (including muffler, catalytic converter inspection) Procedures Included Routine Maintenance: Yes (oil changes, filter replacements, spark plug checks, chain adjustment) Troubleshooting: Yes (diagnostic procedures, common fault identification) Engine Rebuild: Yes (detailed steps for complete engine disassembly and reassembly) Transmission Repair: Yes (gearbox overhaul and component replacement) Electrical Diagnosis And Repair: Yes (including testing of components and circuits) Suspension Adjustment And Overhaul: Yes (fork seal replacement, shock absorber service) Brake Bleeding And Pad Replacement: Yes (including ABS system bleeding procedures) Technical Depth Depth Of Information: Comprehensive, covering all aspects from basic checks to full rebuilds and diagnostics Diagnostic Procedures: Detailed troubleshooting guides and symptom-based diagnostics Specifications And Tolerances: Extensive torque values, clearances, and technical specifications for all components 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval Print Quality: High-resolution, printable pages Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, four-stroke, flat-twin (boxer) engine Displacement: 848 cc Bore X Stroke: 90.0 mm x 66.0 mm Compression Ratio: 10.0:1 Valve Train: 2 valves per cylinder, OHV, pushrod actuated Performance Horsepower Rating: Approx. 70 HP (52 kW) at 7250 rpm (specific to R 850 R) Torque Rating: Approx. 77 Nm (57 lb-ft) at 5500 rpm (specific to R 850 R) Fuel System Fuel Delivery: Bosch Motronic MA 2.2 (Fuel Injection) Fuel Type: Unleaded gasoline, minimum 91 RON Fuel Tank Capacity: 26 Liters (6.87 US gal) 🔧 Transmission Standard Transmission Type: 5-speed manual gearbox Clutch Type: Single dry plate, hydraulically operated Final Drive: Shaft drive Features Gear Ratios: Manual specifies individual gear ratios for each speed. Transmission Fluid: Hypoid gear oil, API GL-5, SAE 90 (or specified BMW equivalent) 📐 Dimensions Exterior Length: Approx. 2200 mm (86.6 in) Width: Approx. 860 mm (33.9 in) at handlebars Height: Approx. 1220 mm (48.0 in) at handlebars Weights Dry Weight: Approx. 210 kg (463 lbs) Gross Vehicle Weight Rating: Approx. 440 kg (970 lbs) Payload Capacity: Approx. 230 kg (507 lbs) 🛡️ Safety Features Ratings ABS Availability: Optional ABS (BMW Motorrad ABS) Active Features Braking System: Dual 305 mm disc front, 276 mm disc rear, with multi-piston calipers Lighting: Halogen headlight, LED taillight Passive Features Frame Construction: Steel tube frame for rigidity and rider protection. 💡 Technology Features Infotainment Infotainment System: N/A (No integrated infotainment system on this model) Driver Assistance ABS: Optional BMW Motorrad ABS, a significant safety technology for its time. Connectivity Connectivity Features: N/A (No modern connectivity features) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 km (6,000 miles) or annually Valve Adjustment Interval: Typically every 20,000 km (12,000 miles) Spark Plug Replacement: Typically every 20,000 km (12,000 miles) Fluid Specifications Engine Oil Type: SAE 20W-50 or SAE 15W-50 (API SG or higher specification, or specified BMW equivalent) Engine Oil Capacity: Approx. 3.0 Liters (3.17 US qt) without filter change, 3.2 Liters (3.38 US qt) with filter change. Brake Fluid: DOT 4 (or specified BMW equivalent) Known Issues Common Wear Items: Clutch wear, brake pad wear, fork seals, exhaust gasket leaks Potential Electrical Issues: Corrosion in connectors, aging wiring harnesses (typical for vehicles of this era) Engine Related: Occasional oil leaks from various seals due to age, potential need for clutch slave cylinder seal replacement. 📚 Vehicle History Brand Heritage Heritage: BMW Motorrad has a long history of producing...