🏷️ Basic Information Identification Make: BMW Model: R 1150 GS Model Designation: R 1150 GS Generation Generation Code: 2nd Generation R Series (Oilhead) Generation Years: 1999-2005 Codes Chassis Code: R22 👋 Introduction Market Position Positioning: The BMW R 1150 GS is a highly regarded 'adventure touring' motorcycle, known for its robust engineering, off-road capability, and long-distance comfort. This manual targets owners who wish to maintain and repair this capable machine themselves, bypassing potentially expensive dealership labor costs. Competitive Analysis Competitors: This manual serves owners of a premium adventure motorcycle that competed against models like the Honda Africa Twin (older generations), Triumph Tiger, and Ducati Multistrada in its era. Key Features Manual Selling Points: Empowers DIY repairs, detailed illustrations, expert troubleshooting, complete coverage of all major systems, cost savings on maintenance and repairs. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service, repair, and maintenance Secondary Coverage: Troubleshooting, diagnostics, technical specifications Page Count Estimated Pages: 500+ Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Full overhaul, internal components, combustion system, cylinder heads, pistons, crankshaft, camshafts, timing system, valve adjustments, oil lubrication system. Drivetrain: Clutch operation and service, gearbox disassembly and assembly, final drive (Paralever) system, driveshaft, universal joints. Electrical System: Ignition system (Motronic), fuel injection system (EFI), battery and charging system (alternator, starter motor), lighting system (headlights, taillights, indicators), horn, instrument cluster, message systems, electronic control units (ECUs). Chassis: Frame, steering head bearings, forks (Telelever front suspension, conventional telescopic rear), rear shock absorber (Monolever or Paralever depending on exact model variant), wheel bearings. Brakes: Hydraulic brake system, ABS (if equipped), brake fluid replacement, caliper service, pad replacement, disc inspection, master cylinder service, brake line routing and replacement. Cooling System: Oil cooling system, oil circulation, oil cooler maintenance, oil filter replacement. Lubrication: Engine oil and filter change, gearbox oil change, final drive oil change, lubrication points. Procedures Included Maintenance: Scheduled maintenance, oil and filter changes, spark plug replacement, air filter cleaning/replacement, brake fluid flush, coolant (oil) level checks, valve clearance adjustments, tire pressure checks, chain lubrication (if applicable for specific sub-models). Repair: Engine rebuilds, transmission repairs, suspension component replacement, brake caliper overhaul, electrical component diagnosis and replacement, fuel injector cleaning/replacement. Troubleshooting: Misfires, oil leaks, fuel delivery problems, starting issues, electrical faults, braking system anomalies, suspension noises. Diagnostics: OBD-II (if applicable for later models), diagnostic trouble codes (DTCs), using diagnostic tools, reading sensor data. Technical Depth Depth: Comprehensive from basic maintenance to complete engine and transmission overhauls, detailed electrical system diagnostics and component-level repair. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF (standard for quality manuals) Print Quality Quality: High-resolution scans of original documentation, ensuring clarity of text and diagrams. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Air/Oil-cooled, four-stroke, boxer-twin engine Displacement: 1130 cc Bore X Stroke: 101 mm x 70.5 mm Compression Ratio: 9.0:1 Valve Train: 2 valves per cylinder, pushrod actuated with overhead camshafts. Performance Horsepower: Approx. 85 hp @ 6,750 rpm Torque: Approx. 98 Nm (72 lb-ft) @ 5,250 rpm Fuel System Fuel Induction: Bosch Motronic MA 2.4 electronic fuel injection (EFI) Fuel Type: Unleaded gasoline, minimum 91 octane Oil System Engine Oil Type: SAE 20W-50 API SG or JASO MA certified motorcycle oil Engine Oil Capacity: Approx. 4.0 liters (4.2 US quarts) with filter change 🔧 Transmission Standard Gearbox Type: Constant-mesh 5-speed transmission Optional Transmission Features: Optional 6-speed transmission available on some later models/variants. Features Clutch Type: Single dry plate clutch Final Drive: Shaft drive via Paralever single-sided swingarm Fluid Gearbox Oil Type: SAE 75W-90 API GL-5 gear oil Gearbox Oil Capacity: Approx. 1.0 liter (1.05 US quarts) Final Drive Oil Type: SAE 75W-90 API GL-5 gear oil Final Drive Oil Capacity: Approx. 0.25 liters (0.26 US quarts) 📐 Dimensions Exterior Length: Approx. 2,255 mm (88.8 in) Width: Approx. 910 mm (35.8 in) Height: Approx. 1,400 mm (55.1 in) (without mirrors) Weights Dry Weight: Approx. 230 kg (507 lbs) Wet Weight: Approx. 247 kg (545 lbs) (with 90% fuel load) Gross Vehicle Weight Rating: Approx. 450 kg (992 lbs) 🛡️ Safety Features Ratings Safety Systems: Optional BMW Motorrad Integral ABS (Anti-lock Braking System) available on most models. System is deactivatable. Active Features Braking System: Dual disc front brakes, single disc rear brake. Hydraulic actuation. Optional ABS. Lighting: Halogen headlight, multi-reflector design. LED taillight and indicator bulbs. Passive Features Frame Construction: Steel-tube Trellis frame for rigidity and rider protection. 💡 Technology Features Infotainment Infotainment System: Not applicable for most 2000s era motorcycles of this type; focus is on core mechanics and rider controls. May have provisions for aftermarket audio systems. Driver Assistance Rider Aids: Integral ABS (optional), deactivatable. Connectivity Connectivity Features: N/A (standard for the era); may have diagnostic port for ECU...