🏷️ Basic Information Identification Make: BMW Model: R850R Model Variant: R850GS Year: 1995 Codes Chassis Code: R259 👋 Introduction Market Position Market Segment: Adventure Touring / Sport Touring Motorcycle Competitive Analysis Competitors: Honda Transalp, Yamaha TDM, Moto Guzzi California Key Features Features: Torquey Boxer engine, Paralever shaft drive, ABS, comfortable ergonomics 📋 Manual Details Coverage Areas Engine: Yes Transmission: Yes Electrical System: Yes Chassis Components: Yes Bodywork: Yes Suspension: Yes Brakes: Yes Fuel System: Yes Cooling System: Yes Exhaust System: Yes Troubleshooting: Yes Diagnostic Procedures: Yes Wiring Diagrams: Yes Page Count Estimated Pages: 600+ Manual Type Type: Full Service Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, piston, cylinder, crankshaft, camshaft, valve train Engine Management: Fuel injection (Bosch Motronic), ignition system, sensors, actuators Transmission Manual: Gearbox assembly, clutch, shift mechanism Drivetrain: Final drive, universal joint, driveshaft Front Suspension: Telescopic forks, steering head bearings, wheel bearings Rear Suspension: Paralever rear suspension, monoshock absorber, swingarm Brake System: ABS II (Anti-lock Braking System), hydraulic lines, calipers, master cylinders, disc replacement Electrical System Charging: Alternator, voltage regulator, battery maintenance Electrical System Ignition: Ignition coils, spark plugs, control unit Lighting System: Headlight, taillight, turn signals, instrumentation lights Instrumentation: Speedometer, tachometer, warning lights, diagnostics indicators Fuel System: Fuel tank, fuel pump, fuel filter, injectors, fuel lines Exhaust System: Catalytic converter, mufflers, lambda sensor Frame And Body: Frame inspection, body panels, fairing removal and installation Procedures Included Preventative Maintenance: Oil changes, filter replacements, spark plug checks, chain/driveshaft lubrication Routine Servicing: Valve clearance adjustment, fluid level checks, brake pad replacement Major Repairs: Engine rebuild, gearbox overhaul, suspension overhaul Troubleshooting Guides: Step-by-step diagnostic flowcharts for common and uncommon issues Wiring Diagram Interpretation: Detailed explanation of electrical circuits and component identification Component Removal Installation: Detailed instructions for removing and reinstalling all major and minor components Torque Specifications: Accurate torque values for all fasteners and critical components Special Tool Requirements: Identification and usage of specialized tools required for specific procedures Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds Diagnostic Capability: Advanced diagnostic information for engine management and ABS systems Electrical Diagnostics: Detailed wiring diagrams and troubleshooting for electrical faults 📊 Manual Specifications File Format File Type: Searchable PDF Printability: Printable pages Print Quality Image Resolution: High-resolution for clarity of diagrams and text Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, four-stroke, flat twin ('Boxer') Displacement: 848 cc (51.7 cu in) Bore X Stroke: 90.0 mm x 66.0 mm (3.54 in x 2.60 in) Compression Ratio: 10.0:1 Valve Train: 2 valves per cylinder, pushrod actuated with rocker arms Performance Horsepower: 70 hp (52 kW) @ 6,750 rpm Torque: 79 Nm (58 lb-ft) @ 4,750 rpm Fuel System Fuel Delivery: Bosch Motronic Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline, minimum 91 octane (RON + MON)/2 Cooling System Cooling Method: Air cooling 🔧 Transmission Standard Transmission Type: 5-speed manual gearbox Features Final Drive: Shaft drive with Paralever single-sided swingarm Clutch: Single dry plate, diaphragm spring 📐 Dimensions Exterior Length: Approx. 2,230 mm (87.8 in) Width: Approx. 930 mm (36.6 in) (including mirrors) Height: Approx. 1,370 mm (53.9 in) (at windscreen) Wheelbase: Approx. 1,430 mm (56.3 in) Weights Dry Weight: Approx. 214 kg (472 lbs) Gross Vehicle Weight: Approx. 430 kg (948 lbs) Payload Capacity: Approx. 216 kg (476 lbs) 🛡️ Safety Features Ratings ABS: BMW Motorrad Integral ABS II (optional on some markets, standard on R850GS) Active Features Braking System: Hydraulic dual-disc front brakes, hydraulic single-disc rear brake Lighting: Halogen headlight, LED taillight, integrated turn signals Passive Features Frame Construction: Steel tube frame Handguards: Standard on R850GS for wind and debris protection 💡 Technology Features Infotainment Instrument Cluster: Analog speedometer and tachometer, digital odometer, trip meters, clock, warning lights. Driver Assistance ABS System: Integral ABS II with rider-selectable ABS activation/deactivation. Connectivity Connectivity Options: N/A (Basic instrumentation, no Bluetooth or smartphone integration) 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 km (6,000 miles) or annually Valve Check Interval: Every 20,000 km (12,000 miles) Spark Plug Replacement: Every 20,000 km (12,000 miles) Fluid Specifications Engine Oil: SAE 20W-50 API SG or higher (e.g., Castrol GPS 20W-50) Engine Oil Capacity: 3 Liters (3.2 US qt) with filter change Transmission Oil: SAE 75W/90 API GL-5 Gear Oil (e.g., BMW Advantec Synthetic Gear Oil) Final Drive Oil: SAE 75W/90 API GL-5 Gear Oil (e.g., BMW Advantec Synthetic Gear Oil) Brake Fluid: DOT 4 Coolant: N/A (Air-cooled engine) Known Issues Common Issues: Stator failure, ABS sensor issues, clutch slave cylinder leaks, potential oil leaks from seals 📚 Vehicle History Brand Heritage Heritage: BMW Motorrad has a long history of producing reliable and durable motorcycles, particularly known for its Boxer engine and shaft-driven configurations. Model Evolution Predecessor: BMW R80GS Related Models: BMW...