🏷️ Basic Information Identification Make: BMW Model: R 1150 GS Year: 1994 Codes Internal Model Code: R2M 👋 Introduction Market Position Segment: Dual-sport / Adventure Motorcycle Reputation: Iconic adventure touring motorcycle, renowned for its versatility, durability, and capability on and off-road. Competitive Analysis Competitors 1994: Honda Africa Twin (XRV750), Yamaha TDM850, Kawasaki KLR650. Key Features Engine Configuration: Air-cooled, four-stroke, flat-twin boxer engine. Suspension Front: Telelever suspension for improved handling and feedback. Transmission Type: Shaft drive for low maintenance. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance, Troubleshooting Secondary Coverage: Diagnostics, Electrical Schematics, Component Identification Page Count Estimated Pages: 500+ Manual Type Type: Workshop Manual / Service Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: Comprehensive coverage of the R2M flat-twin engine, including top-end, bottom-end, valve train, lubrication, cooling, and fuel injection systems. Transmission: Detailed procedures for the 5-speed gearbox, clutch operation, and final drive unit (including driveshaft and Paralever). Brakes: ABS II system (if equipped), front and rear disc brake overhaul, hydraulic system bleeding, and component replacement. Electrical: Complete wiring diagrams, starter system, ignition system (Motronic MA 2.2), lighting, charging system, and instrument cluster diagnostics. Chassis: Front and rear suspension (including Telelever front suspension and Monolever rear), steering system, wheel bearings, and frame. Bodywork: Fairing removal and installation, seat, fuel tank, body panels, and minor cosmetic repairs. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug service, brake fluid flush, valve clearance checks, and final drive oil changes. Repair: Engine rebuild procedures, transmission overhaul, suspension component replacement, brake caliper servicing, and electrical component repair. Troubleshooting: Systematic diagnostic procedures for common and uncommon faults, fault code interpretation, and symptom-based troubleshooting guides. Diagnostics: Detailed steps for diagnosing issues with the Motronic fuel injection and ignition system, including sensor testing and actuator checks. Technical Depth Depth: Comprehensive, covering everything from routine maintenance to full engine and transmission rebuilds, suitable for both DIY enthusiasts and professional mechanics. 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable for quick access to information. Print Quality Resolution: High-resolution scans for clear diagrams and text. Binding Type Binding: N/A (Downloadable PDF) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, four-stroke, flat-twin boxer engine Displacement: 1130 cc Bore X Stroke: 99 mm x 70.5 mm Compression Ratio: 9.7:1 Valve Train: 2 valves per cylinder, overhead camshaft (OHC) Performance Horsepower: 80 hp (59 kW) @ 6750 rpm (approx.) Torque: 70 lb-ft (95 Nm) @ 5250 rpm (approx.) Fuel System Fuel Delivery: Bosch Motronic MA 2.2 Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline, minimum 91 octane (RON+MON)/2 / 87 AKI Ignition Ignition System: Electronic ignition (Motronic MA 2.2) Lubrication Oil Type: SAE 20W-50 or 10W-40 motorcycle-specific engine oil Oil Capacity W Filter: Approx. 4.0 liters (4.2 US qt) 🔧 Transmission Standard Gearbox: 5-speed manual Features Drive Type: Shaft drive Clutch Type: Dry, single-plate clutch Final Drive Oil Type: SAE 75W-90 GL-5 hypoid gear oil Final Drive Oil Capacity: Approx. 0.25 liters (0.26 US qt) 📐 Dimensions Exterior Length: 2230 mm (87.8 in) Width Handlebar: 920 mm (36.2 in) Height Seat: 860 mm (33.9 in) (standard seat) Weights Dry Weight: 230 kg (507 lbs) Gross Weight Rating: 450 kg (992 lbs) Fuel Capacity: 20 liters (5.3 US gal), reserve 3 liters (0.8 US gal) 🛡️ Safety Features Ratings ABS: Optional ABS II (Anti-lock Braking System) Active Features Braking System: Dual disc front, single disc rear with dual-piston calipers. Optional integrated ABS. Lighting: Halogen headlamp, LED tail light. Passive Features Frame Type: Trellis frame. Handlebar: Variable diameter aluminum handlebar. 💡 Technology Features Infotainment Infotainment System: N/A (Primarily mechanical and functional design). Driver Assistance ABS: Optional ABS II braking system, an early form of integrated rider assistance. Connectivity Connectivity Features: N/A (No modern electronic connectivity features). 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 km (6,000 miles) or annually. Valve Clearance Interval: Every 20,000 km (12,000 miles). Spark Plug Replacement: Every 20,000 km (12,000 miles). Brake Fluid Flush: Every 2 years, regardless of mileage. Fluid Specifications Engine Oil Spec: API SG/SH or JASO MA certified 20W-50 or 10W-40 motorcycle oil. Brake Fluid Spec: DOT 4 hydraulic fluid. Coolant Spec: N/A (Air-cooled engine) Known Issues Common Issue 1: Oil leaks from the engine, particularly around the cylinder base gaskets and oil cooler seals. Common Issue 2: ABS II system glitches or sensor failures, requiring diagnosis and potential replacement. Common Issue 3: Clutch slave cylinder leaks or wear, leading to clutch engagement issues. Common Issue 4: Paralever pivot bearing wear, causing play in the rear swingarm. 📚 Vehicle History Brand Heritage Manufacturer: Bayerische Motoren Werke AG (BMW). Brand Focus: Premium motorcycles and automobiles, known for engineering excellence and innovation. Model Evolution R Series Heritage: Direct descendant of BMW's long lineage of boxer-engined motorcycles, evolving from the R80GS...