🏷️ Basic Information Identification Make: BMW Model: R1150GS Codes Platform Code: R21 Engine Code: 1150cc Boxer Twin 👋 Introduction Market Position Segment: Adventure Touring Motorcycle Competitive Analysis Key Competitors: Honda Africa Twin, Triumph Tiger, Yamaha Super Tenere, KTM Adventure series Key Features Vehicle Attributes: Robust construction, long-distance comfort, off-road capability, shaft drive, boxer engine reliability Manual Value Proposition Uniqueness: Guaranteed completeness, superior quality compared to incomplete or low-cost alternatives 📋 Manual Details Coverage Areas Primary Focus: Service, Repair, Workshop Page Count Estimated Pages: 500+ Manual Type Type: Comprehensive Workshop Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: Full overhaul, component diagnostics, fuel injection (Motronic), ignition system, lubrication system Transmission: Gearbox disassembly, inspection, and reassembly, clutch operation and servicing Drivetrain: Paralever rear suspension, driveshaft, universal joint, final drive unit maintenance and repair Brakes: ABS II/Integral ABS systems, hydraulic components, caliper servicing, pad replacement, fluid bleeding Electrical: Wiring diagrams, battery maintenance, charging system (alternator, regulator), starter motor, lighting, instrumentation, diagnostic codes Suspension: Front Telelever forks, rear Mono-shock absorber, spring pre-load, damping adjustment, seal replacement Chassis And Bodywork: Frame inspection, body panel removal and installation, seat, fuel tank, fairing components Procedures Included Routine Maintenance: Oil changes, filter replacements, valve clearance checks, spark plug replacement, air filter servicing, tire pressure checks Troubleshooting: Diagnostic procedures for common faults, error code interpretation Repair Procedures: Step-by-step instructions for component replacement and repair Special Tools: Identification and usage of BMW-specific tools Technical Depth Depth: Comprehensive, suitable for professional technicians and experienced home mechanics 📊 Manual Specifications File Format PDF Quality: High resolution, searchable text, printable pages Print Quality Clarity: Crisp diagrams and text for easy readability Binding Type Type: N/A (Digital PDF) Paper Type Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Type: Air/oil-cooled, four-stroke, boxer-twin engine Displacement: 1130 cc Bore X Stroke: 99 mm x 70.5 mm Compression Ratio: 9.0:1 Valve Train: 2 valves per cylinder, overhead camshaft (OHC) Performance Horsepower: 85 hp @ 6750 rpm Torque: 98 Nm (72 lb-ft) @ 5250 rpm Fuel System Injection Type: Electronic Fuel Injection (EFI) - Bosch Motronic MA 2.4 Fuel Type: Unleaded gasoline, minimum 91 RON Lubrication System Oil Type: SAE 20W-50 API SG or higher (check manual for specific BMW recommendations) Oil Capacity: Approx. 3.0 liters (3.2 US qt) with filter change Ignition System Type: Digital ignition with knock control 🔧 Transmission Standard Type: 5-speed manual gearbox Optional Type: None Features Clutch Type: Single dry plate, diaphragm spring clutch, hydraulically operated Final Drive: Shaft drive via single-sided swingarm (Paralever) Fluid Specifications Gearbox Oil: SAE 75W/90 API GL-5 (check manual for specific BMW recommendations) Final Drive Oil: SAE 75W/90 API GL-5 (check manual for specific BMW recommendations) 📐 Dimensions Exterior Length: 2230 mm (87.8 in) Width: 900 mm (35.4 in) (over cylinders) Height: 1425 mm (56.1 in) (to windshield) Weights Dry Weight: 229 kg (505 lbs) Gross Vehicle Weight Rating: 450 kg (992 lbs) Payload Capacity: 221 kg (487 lbs) Fuel Tank Capacity: 20 liters (5.3 US gal), reserve approx. 4 liters 🛡️ Safety Features Ratings ABS Availability: Optional (Integral ABS II, then Integral ABS) Active Features Braking System: Dual disc front, single disc rear, with optional ABS Lighting: Halogen headlight, LED taillight Passive Features Frame Construction: Steel tube frame 💡 Technology Features Infotainment Instrument Cluster: Analog speedometer and tachometer, LCD display for odometer, trip meters, fuel level, gear indicator (on some models) Driver Assistance ABS: Optional BMW Integral ABS (anti-lock braking system) Connectivity Diagnostics: On-board diagnostics via BMW diagnostic connector 🔧 Maintenance Service Intervals Oil Change: Every 10,000 km (6,000 miles) or annually Valve Clearance Check: Every 20,000 km (12,000 miles) Spark Plug Replacement: Every 20,000 km (12,000 miles) Air Filter Service: Every 10,000 km (6,000 miles) Brake Fluid Change: Every 2 years Fluid Specifications Coolant Type: BMW recommended coolant or equivalent (50% mixture) Known Issues Common Failures: Oil leaks from front cover seal, Hall sensor issues, Hall sensor wiring fatigue, clutch slave cylinder leaks, ABS modulator failures (early models) Recalls: Check VIN for specific safety recalls related to fuel lines or other components 📚 Vehicle History Brand Heritage Legacy: BMW's long-standing reputation for durable, versatile motorcycles Model Evolution Predecessors: R1100GS Successors: R1200GS Production Production Years: 1999 - 2004 Manufacturing Location: Berlin, Germany 🏆 Awards & Recognition Recognitions Market Perception: Highly regarded for durability and capability, often winning 'Best Adventure Bike' awards in its era