🏷️ Basic Information Identification Make: BMW Model: R 1150 GS Year: 1999 Codes Engine Code: 1150cc Flat-Twin 👋 Introduction Market Position Segment: Dual-sport / Adventure Motorcycle Competitive Analysis Competitors 1999: Honda Africa Twin, Suzuki V-Strom (later models), Triumph Tiger, KTM Adventure series. Key Features Design Philosophy: Robust construction, long-distance comfort, off-road capability, reliable boxer engine. Target Audience: Touring riders, adventure seekers, riders looking for a versatile and durable machine. 📋 Manual Details Coverage Areas Primary Coverage: Full Service Repair and Maintenance Page Count Estimated Page Count: 500+ Manual Type Type: Service Manual / Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Systems: Engine disassembly, assembly, component testing, lubrication, cooling system, fuel injection system (EFI), ignition system, emissions control. Transmission Drivetrain: Clutch, gearbox (6-speed), driveshaft, final drive, bearing checks and replacement. Chassis Suspension: Front Telelever suspension, rear Paralever suspension, wheel bearings, steering head bearings, swingarm. Brakes Wheels: ABS (optional), hydraulic brake system (front and rear), brake fluid, rotor and pad inspection/replacement, wheel mounting, tire pressure. Electrical System: Battery, charging system (alternator, voltage regulator), starter motor, lighting, instrumentation, wiring diagrams, fuses, relays, ECU diagnostics. Bodywork Fairings: Fairing removal and installation, seat, fuel tank, fenders, luggage system mounting points. Procedures Included Maintenance: Regular servicing, oil changes, filter replacements, valve clearance adjustment, spark plug replacement, chain adjustment (if applicable, though R1150GS has shaft drive), brake fluid flush. Troubleshooting: Diagnostic procedures for common faults, error code interpretation, electrical system diagnosis, engine performance issues. Repair Rebuild: Complete engine rebuild procedures, gearbox overhauls, suspension component replacement, electrical component repair. Technical Depth Depth: Comprehensive, suitable for professional mechanics and experienced DIY enthusiasts. Includes detailed torque specifications, tolerances, and diagnostic flowcharts. 📊 Manual Specifications File Format File Type: PDF Print Quality Clarity: High-resolution, allowing for clear viewing of diagrams and text. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) Searchability Text Search: Searchable text content for quick information retrieval. ⚙️ Engine Specifications Primary Engine Type: Air/Oil-cooled, four-stroke, boxer-twin engine Displacement: 1130 cc (actual displacement often cited as 1130 or 1149 cc) Bore X Stroke: 98 mm x 74.5 mm Performance Horsepower: 85 hp @ 6,750 rpm (approximate) Torque: 98 Nm (72 lb-ft) @ 5,250 rpm (approximate) Fuel System Induction: Bosch Motronic 2.4 Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (91-98 RON) Cooling System Type: Air cooling with oil cooling for the cylinder heads. 🔧 Transmission Standard Type: 6-speed manual gearbox Optional Features: Single dry plate clutch, shaft drive to rear wheel. Features Final Drive: Bevel gear drive via enclosed driveshaft 📐 Dimensions Exterior Length: Approx. 2,230 mm (87.8 in) Width: Approx. 910 mm (35.8 in) at handlebars Height: Approx. 1,340 mm (52.8 in) at seat Weights Dry Weight: Approx. 230 kg (507 lbs) Gross Vehicle Weight Rating: Approx. 450 kg (992 lbs) Cargo Luggage Capacity: Designed for BMW panniers and top case (optional). 🛡️ Safety Features Ratings ABS Availability: Optional BMW Motorrad Integral ABS Active Features Braking System: Dual 305 mm discs with 4-piston calipers (front), Single 276 mm disc with 2-piston caliper (rear). Passive Features Lighting: Halogen headlight, LED taillight. 💡 Technology Features Infotainment Instrumentation: Analog speedometer, tachometer, fuel gauge, warning lights, clock, gear indicator (on some models/aftermarket). Driver Assistance ABS System: Integral ABS system that combines braking for both wheels with a single lever pull, and allows independent rear braking with the foot pedal. Connectivity Oem Options: Provision for heated grips, auxiliary power sockets, and compatibility with BMW's early navigation systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 km or 1 year, whichever comes first. Valve Check Interval: Typically every 20,000 km or 2 years. Fluid Specifications Engine Oil Type: SAE 20W-50 or 15W-50, API SG or higher (refer to manual for exact BMW specification). Engine Oil Capacity: Approx. 4 liters (4.2 US qt) with filter change. Brake Fluid Type: DOT 4 (refer to manual for specific BMW DOT rating). Transmission Oil Type: SAE 75W-90 API GL-5 (refer to manual for specific BMW specification). Final Drive Oil Type: SAE 80W-90 API GL-5 (refer to manual for specific BMW specification). Known Issues Common Wear Items: Clutch wear, rear shock absorber damping, alternator brushes, fuel pump reliability, starter motor solenoid. Electrical Gremlins: Occasional issues with wiring loom integrity and self-test functionality can occur with age. 📚 Vehicle History Brand Heritage Bmw Motorcycle Legacy: BMW has a long history of producing durable and capable motorcycles, particularly known for its boxer engines and innovation in motorcycle technology. Model Evolution R Series Gs Lineage: The R 1150 GS is an evolution of the highly successful R 1100 GS, introducing more power, improved ergonomics, and updated technology. It further cemented BMW's dominance in the adventure touring segment. Production Production Period: The R 1150 GS model range was produced from 1999 to 2005, with variations like the R 1150...