🏷️ Basic Information Identification Make: BMW Model: R1150GS Model Variants: R1150GS, R1150GS Adventure Generation Generation: Second Generation (1999-2005) 👋 Introduction Market Position Category: Dual-sport / Adventure Motorcycle Segment Focus: Long-distance touring, off-road capability, robustness, rider comfort. Competitive Analysis Key Competitors: Honda Africa Twin (earlier models), Triumph Tiger, Yamaha Super Tenere, Ducati Multistrada. Key Features Durability: Renowned for its robust construction and reliability for extended touring and varied terrain. Versatility: Capable of handling highways, backroads, and moderate off-road conditions. Powertrain: Characterized by BMW's signature horizontally opposed twin-cylinder boxer engine. 📋 Manual Details Coverage Areas Primary Coverage: All mechanical and electrical systems, maintenance, diagnostics, repair, and overhaul procedures for the BMW R1150GS and R1150GS Adventure models. Secondary Coverage: Troubleshooting, specifications, diagrams, component identification, and torque values. Page Count Estimated Page Count: 500-700+ (typical for comprehensive workshop manuals of this era) Manual Type Manual Type: Workshop Manual / Service Manual / Repair Manual Language Language: English Format Format: Digital (likely PDF), Printable Interactivity: Hyperlinked table of contents and cross-references for easy navigation. 📖 Manual Coverage Systems Covered Engine And Drivetrain: Engine disassembly/assembly, cylinder head, valve train, fuel injection, ignition system, exhaust system, clutch, gearbox, final drive (Paralever). Chassis And Suspension: Frame, front suspension (Telelever), rear suspension (Monolever/Paralever), steering, wheels, tires, brakes (ABS integration). Electrical System: Wiring diagrams, battery, charging system, lighting, starter motor, instruments, fuses, relays, diagnostics of electronic control units (ECUs). Bodywork And Trim: Fairings, fuel tank, seat, luggage systems (for Adventure model), body panels, fasteners. Procedures Included Maintenance: Oil changes, filter replacements, spark plug service, valve clearance adjustment, brake fluid flush, coolant replacement, lubrication schedules, battery care. Diagnostics: Troubleshooting common problems, identifying fault codes (if applicable via BMW diagnostic tools), electrical system fault finding, mechanical diagnostics. Repair And Overhaul: Engine rebuilds, transmission repair, suspension component replacement, brake caliper overhaul, fuel injector cleaning/replacement, ABS module service. Diagnostics Equipment: Details procedures for using BMW-specific diagnostic tools (e.g., MoDiTec) or general electronic troubleshooting for the ECUs and related sensors. Technical Depth Depth: Comprehensive, dealer-level, covering routine maintenance to complete engine and gearbox overhauls, including detailed diagnostic procedures and repair instructions. 📊 Manual Specifications File Format Digital File Type: PDF Searchability: Likely text-searchable, allowing for quick keyword-based information retrieval. Print Quality Print Readability: High resolution for clear diagrams and text when printed. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) Completeness Manual Scope: Factory-authorized and complete coverage of all repairs and maintenance. ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, horizontally opposed twin-cylinder (Boxer) Displacement: 1130 cc (1130cc) Bore X Stroke: 98 mm x 73.5 mm Valve Train: SOHC (Single Overhead Camshaft) per cylinder, 4 valves per cylinder Cooling System: Oil and Air Cooled Engine Block Material: Aluminum Alloy Performance Horsepower Max: 95 hp (70 kW) @ 7500 rpm Torque Max: 70.8 lb-ft (96 Nm) @ 5750 rpm Fuel System Fuel Delivery: Bosch Motronic MA 2.4 Fuel Injection Fuel Type: Unleaded gasoline, 91-98 octane (RON+MON)/2 (AKI) Ignition System Ignition Type: Electronic, dual ignition with two spark plugs per cylinder 🔧 Transmission Standard Transmission Type: 6-speed manual gearbox Clutch: Single dry plate, hydraulically actuated Features Final Drive: Shaft drive via BMW Paralever system Fluid Specification Gearbox Oil Type: SAE 75W/90 API GL-5 Gear Oil (BMW recommends specific fluids, refer to manual for exact specs) Final Drive Oil Type: SAE 80W/90 API GL-5 Gear Oil (BMW recommends specific fluids, refer to manual for exact specs) 📐 Dimensions Exterior Length Approx: 2230 mm (87.8 in) for R1150GS, 2300 mm (90.6 in) for R1150GS Adventure Width Approx: 900 mm (35.4 in) (without mirrors) Height Approx: 1420 mm (55.9 in) for R1150GS, 1500 mm (59.1 in) for R1150GS Adventure Weights Dry Weight Approx: 231 kg (509 lbs) for R1150GS, 247 kg (545 lbs) for R1150GS Adventure Wet Weight Approx: 256 kg (564 lbs) for R1150GS, 270 kg (595 lbs) for R1150GS Adventure Gross Vehicle Weight Rating: 450 kg (992 lbs) for R1150GS, 470 kg (1036 lbs) for R1150GS Adventure Fuel Capacity Fuel Tank Capacity: 20 liters (5.3 US gal) for R1150GS, 25 liters (6.6 US gal) for R1150GS Adventure 🛡️ Safety Features Ratings ABS System: Optional BMW Motorrad Integral ABS (Type 2) with brake force modulator. Active Features Braking System Front: Dual 305 mm discs with 4-piston calipers (or 2-piston if ABS equipped without integral function). Braking System Rear: Single 276 mm disc with 2-piston caliper. Passive Features Lighting: Halogen headlamp, LED taillight, auxiliary lighting often fitted to Adventure models. Tires: Tubeless spoke wheels common, designed for mixed-terrain use. 💡 Technology Features Infotainment Infotainment System: No integrated infotainment system as standard; designed for ruggedness. Often equipped with aftermarket GPS or audio systems. Driver Assistance Driver Assistance Features: Optional Integral ABS (combined braking) and heated grips. Connectivity Connectivity Options: N/A (No standard electronic connectivity features). 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 km (6,000...