🏷️ Basic Information Identification Make: BMW Model: R850R Year: 1996-2000 Codes Engine Code: M72 Chassis Code R850Gs: R21 Chassis Code R850R: R20 👋 Introduction Market Position Segment: Mid-size adventure touring and roadster motorcycles Target Audience: BMW motorcycle owners and independent repair shops seeking detailed technical information for maintenance and repair Competitive Analysis Comparison Points: Offers a more accessible entry point into BMW's boxer-twin platform compared to larger R11XX models, focusing on practicality and touring capability. Key Features Engine Layout: Air-cooled, four-stroke, two-cylinder boxer engine Drive System: Shaft drive Design Philosophy: Robustness, reliability, and versatility for both commuting and long-distance touring. 📋 Manual Details Coverage Areas Mechanical Repairs: All (A-Z) Electrical Systems: All (A-Z) Models Covered: All variants of R850GS and R850R Page Count Estimated Pages: Comprehensive (specific number not provided, but implied extensive) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Digital (Printable Pages) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, diagnosis, tuning, component replacement (pistons, rings, valves, crankshaft, bearings, etc.) Engine Electrical: Ignition system, fuel injection (Motronic), starter system, charging system (alternator, regulator), sensors, wiring diagrams Transmission: Clutch, gearbox (5-speed sequential), final drive, lubrication, troubleshooting Suspension: Front fork (telescopic, conventional), rear monoshock, adjustments, seals, fluid changes Brakes: Hydraulic system, ABS (optional), brake fluid replacement, pad/disc wear, caliper service Fuel System: Fuel tank, fuel pump, fuel lines, injectors, fuel pressure regulation Cooling System: Oil cooling system (air-cooled with oil cooler), oil circulation Electrical Components: Lighting, instrumentation, switches, battery, fuses, relays, horn, starter motor Chassis And Frame: Frame inspection, disassembly, assembly, bodywork components Exhaust System: Exhaust headers, muffler, emissions control (if applicable) Procedures Included Preventative Maintenance: Scheduled servicing, oil changes, filter replacements, spark plug replacement, chain/shaft drive checks Troubleshooting: Diagnostic procedures for common and uncommon issues, fault codes (if applicable) Disassembly And Assembly: Step-by-step instructions for all major components and systems Rebuilding Procedures: Engine rebuilds, gearbox overhauls, suspension overhauls Adjustments: Valve clearance adjustment, throttle cable adjustment, clutch lever adjustment, suspension settings Wiring Diagrams: Detailed electrical schematics for all systems Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including electrical diagnostics Detail Level: Extensive, with 'tons of detailed pictures & diagrams' 📊 Manual Specifications File Format Digital Format: Likely PDF (implied by 'printable pages') Print Quality Printability: All pages printable Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, four-stroke boxer twin, OHC, 4 valves per cylinder Displacement: 848 cc (850cc class) Bore X Stroke: 90.0 mm x 66.0 mm Performance Horsepower: Approx. 70-75 HP (subject to regional variations and specific model tuning) Torque: Approx. 76 Nm (56 lb-ft) @ 5000 rpm (subject to regional variations) Fuel System Fuel Delivery: Electronic Fuel Injection (BMW Motronic) Fuel Type: Unleaded gasoline, minimum 95 RON Ignition Ignition System: Digital ignition (BMW Motronic) Lubrication Lubrication System: Wet sump, forced lubrication with oil cooler 🔧 Transmission Standard Transmission Type: 5-speed manual sequential gearbox Features Clutch: Single dry plate, hydraulic actuation Final Drive: Shaft drive to rear wheel 📐 Dimensions Exterior Length: Varies by model (R850GS typically longer than R850R) Width: Varies by model Height: Varies by model Weights Dry Weight R850Gs: Approx. 200 kg (441 lbs) Dry Weight R850R: Approx. 199 kg (439 lbs) Gross Vehicle Weight Rating: Not specified, but typically around 380-400 kg 🛡️ Safety Features Ratings Safety Certification: N/A (Motorcycle specific safety ratings are less standardized than automotive) Active Features Brakes: Hydraulically operated disc brakes front and rear. Optional ABS (Anti-lock Braking System) available on some models. Passive Features Frame Construction: Steel tube frame providing rigidity and rider protection. Lighting: Halogen headlamp, LED taillight, turn signals. 💡 Technology Features Infotainment Instrumentation: Analog tachometer, speedometer, fuel gauge, engine temperature light, neutral indicator, oil pressure light, turn signal indicators, odometer, trip meter. Driver Assistance ABS: Optional ABS system (BMW Motorrad ABS II), highly effective for its era. Connectivity Diagnostic Port: Diagnostic capabilities via specific BMW connectors (manual would detail access and procedures). 🔧 Maintenance Service Intervals Oil Change: Every 10,000 km (6,000 miles) or annually. Check oil level more frequently. Valve Clearance Check: Every 20,000 km (12,000 miles) Spark Plug Replacement: Every 20,000 km (12,000 miles) Gearbox Oil Change: Every 20,000 km (12,000 miles) Final Drive Oil Change: Every 20,000 km (12,000 miles) Fluid Specifications Engine Oil Type: SAE 20W-50 or 10W-40 motorcycle specific, API SG or higher. Engine Oil Capacity: Approx. 3.0 liters (3.2 US qt) with filter change. Gearbox Oil Type: SAE 75W-90 API GL-5 Gearbox Oil Capacity: Approx. 0.75 liters (0.79 US qt) Final Drive Oil Type: SAE 75W-90 API GL-5 Final Drive Oil Capacity: Approx. 0.20 liters (0.21 US qt) Brake Fluid Type: DOT 4 Fork Oil Type: SAE 5W or 7.5W (refer to manual for exact specification) Known Issues Common Wear Items: Clutch plates, rear shock absorber, fork...