🏷️ Basic Information Identification Make: BMW Model: R850R Year: 1994 Codes Chassis Code: R259 👋 Introduction Market Position Market Niche: Entry-level to mid-range touring/sport-touring motorcycle within the BMW lineup, known for its accessible power and predictable handling. Competitive Analysis Competitors: Competed with motorcycles like the Honda NT650/NT700 Deauville, Moto Guzzi California models, and other mid-sized European tourers of the era. Key Features Design Philosophy: Emphasized comfort, practicality, and the signature BMW Boxer engine experience in a more manageable package than larger R-series models. Target Audience: Riders seeking a reliable, comfortable touring machine with the character of a BMW Boxer, suitable for both commuting and longer journeys. 📋 Manual Details Coverage Areas General Coverage: Comprehensive service and repair instructions for BMW R850R 1994 model. Specific Systems Covered: Engine, transmission, drivetrain, brakes, suspension, electrical system, fuel system, exhaust, chassis, bodywork. Page Count Estimated Page Count: Likely 300-500 pages (typical for comprehensive workshop manuals of this era). Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: Digital (PDF) or Printed 📖 Manual Coverage Systems Covered Engine: Detailed breakdown of the R850cc Boxer engine, including top end, bottom end, valve train, cooling system, lubrication. Fuel System: Fuel injection system (Bosch Motronic), fuel pump, injectors, throttle body, fuel tank, lines. Ignition System: Ignition coils, spark plugs, ECU control, timing. Transmission: 5-speed gearbox overhaul, clutch assembly, drive shaft, final drive. Brakes: Front and rear disc brake systems, ABS (if equipped), brake lines, calipers, master cylinders. Suspension: Front telescopic forks (BMW Telelever or conventional), rear Monolever swingarm, shock absorbers, bearings. Electrical System: Wiring diagrams, battery, alternator, starter motor, lighting, instrumentation, fuses, relays, ECU. Chassis And Bodywork: Frame inspection, fairings, seat, handlebars, controls, stands. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, air filter service, brake fluid changes, chain adjustment (if applicable, though R850R has shaft drive). Engine Repair: Top-end rebuild, piston/ring replacement, cylinder head service, crankshaft inspection, oil seal replacement. Transmission Repair: Gearbox disassembly and reassembly, clutch replacement, final drive spline lubrication. Suspension And Steering: Fork seal replacement, shock absorber servicing, steering head bearing replacement. Brake System Service: Brake pad replacement, caliper servicing, master cylinder rebuild, brake line replacement, ABS bleeding procedures. Electrical Diagnostics: Troubleshooting wiring faults, sensor testing, starter/charging system diagnostics. Fuel System Diagnostics: Fuel pressure testing, injector testing, idle control valve service. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds, including diagnostic procedures and specifications. 📊 Manual Specifications File Format Digital Format: PDF (typically) Print Quality Digital Quality: High resolution for clear diagrams and text, often searchable. Binding Type Printed Binding: Likely spiral-bound or perfect-bound for lay-flat usability in a workshop. Paper Type Printed Paper: Durable, high-quality paper stock suitable for workshop environments. ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, four-stroke Boxer-twin Displacement: 849 cc (849 cubic centimeters) Bore X Stroke: 90.0 mm x 66.0 mm (typical for R850 series) Compression Ratio: 9.2:1 (typical) Performance Horsepower: Approx. 70 hp (51 kW) at 7250 rpm (specifications may vary slightly by market and model year updates). Torque: Approx. 76 Nm (56 lb-ft) at 5000 rpm (typical). Fuel System Fuel Delivery: Bosch Motronic Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline, minimum 95 RON (Octane rating) Lubrication Oil Type: SAE 20W-50 or 10W-40 motorcycle-specific engine oil meeting API SG or higher specification. Oil Capacity: Approx. 3.0 liters (3.2 US quarts) with oil filter change. 🔧 Transmission Standard Type: 5-speed manual gearbox Features Final Drive: Shaft drive, enclosed, with universal joint Clutch: Single dry plate, hydraulically operated Fluid Specifications Gearbox Oil Type: Hypoid gear oil, SAE 80W/90 API GL-5 (for final drive). Gearbox Oil Capacity: Approx. 200 ml (0.21 US quarts) for final drive. 📐 Dimensions Exterior Length: Approx. 2,200 mm (86.6 inches) Width: Approx. 930 mm (36.6 inches) at handlebars Height: Approx. 1,350 mm (53.1 inches) to top of windscreen Weights Dry Weight: Approx. 214 kg (472 lbs) Gross Vehicle Weight Rating: Approx. 440 kg (970 lbs) Fuel Tank Capacity: Approx. 20 liters (5.3 US gallons), including 3 liters reserve. 🛡️ Safety Features Ratings ABS: Optional ABS II system available on some models. Active Features Braking System: Dual disc front brakes, single disc rear brake with dual-piston calipers. ABS option provides enhanced stopping control. Passive Features Lighting: Halogen headlamp, LED taillight, integrated turn signals. 💡 Technology Features Infotainment Features: Basic instrumentation with speedometer, tachometer, odometer, trip meters, fuel gauge, and warning lights. No integrated infotainment system as per modern standards. Driver Assistance ABS: Optional ABS II anti-lock braking system, a significant safety feature for its time. Connectivity Features: No electronic connectivity features. 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 km (6,000 miles) or annually, whichever comes first. Major Service Interval: Major inspections and valve clearance adjustments typically every 20,000 km (12,000 miles). Brake Fluid Change: Every 2 years, regardless of mileage. Fluid...