This manual provides comprehensive information for the 2004 R1150GS. Known for its robust engineering and reliability, the R1150GS is an iconic adventure touring motorcycle, powered by an 1130 cc flat-twin engine delivering approximately 85 hp and 71 lb-ft of torque. Its design emphasizes durability and performance for diverse riding conditions, featuring electronic fuel injection, a 6-speed manual gearbox, and the Integral ABS II braking system. The R1150GS represents a significant evolution in the renowned 'GS' lineage, offering a blend of power, comfort, and capability that has defined the adventure motorcycle segment. This factory service repair manual is meticulously designed to assist R1150GS owners, DIY mechanics, and professional technicians. It covers an extensive range of topics, including detailed maintenance procedures, advanced troubleshooting guides for common issues like Hall effect sensor failures, and step-by-step repair instructions for all major components and systems, from the fuel and electrical systems to the transmission and suspension. With hundreds of detailed illustrations, wiring diagrams, and specific diagnostic techniques, this manual empowers users to perform servicing efficiently, understand complex systems, and maintain their vehicle to factory standards, ultimately saving on labor costs and ensuring optimal performance and longevity. 🏷️ Basic Information Identification Make: BMW Model: R1150GS Year: 2004 👋 Introduction Market Position Target Audience: BMW R1150GS owners, DIY mechanics, professional technicians Value Proposition: Saves $50-$60 per hour in shop labor costs; empowers owners to perform servicing themselves. Competitive Analysis Differentiation: Actual genuine factory manual, not a third-party reproduction; comprehensive coverage. Key Features Completeness: Complete official full factory service repair manual. Accessibility: Easy to use for individuals not skilled with computers; print any page or the entire manual. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: PDF Download Source: Genuine Factory Manuals (Not 3rd Party) Page Count Estimated Pages: Hundreds of pages (exact count not specified, but implies a comprehensive document) 📖 Manual Coverage Systems Covered General Information: Included Fuel System: Included Cooling System: Included Engine Top End: Included Clutch: Included Engine Lubrication System: Included Engine Removal Installation: Included Crankshaft Transmission: Included Wheels Tires: Included Final Drive: Included Brakes: Included Suspension: Included Steering: Included Frame: Included Electrical System: Included Appendix: Included Procedures Included Maintenance: Comprehensive (scheduled, preventative) Troubleshooting: Advanced diagnostic guide for fault symptoms Repair: Step-by-step procedures for all components Rebuilding: Complete rebuild procedures for engine and transmission Tuning: Included Common Fixes: Guidance on common issues and owner empowerment to communicate effectively with mechanics. Mechanic Evaluation: Advice on selecting and communicating with mechanics. Preventative Maintenance: Tips and procedures to prevent small problems from escalating. Technical Depth Diagnostic Techniques: Includes 'secret techniques used by top mechanics' Wiring Diagrams: Detailed tracing and verification guidance Engine Management Systems: Understanding and analysis of different systems Illustrations: Hundreds of pages with detailed illustrations, drawings, and photos Instruction Format: Numbered instructions, detailed substeps, notes, cautions, warnings Parts Identification: Enlarged inset views for detailed examination 📊 Manual Specifications File Format File Format: PDF Printability: Printable without restriction (entire manual or specific pages) Searchability: Search function enabled for easy information retrieval Compatibility: Compatible with all PC based Windows operating systems and Mac Storage: Can be saved to hard drive or burned to CD-ROM Reader Requirement: Adobe PDF Reader Print Quality Resolution: High resolution ⚙️ Engine Specifications Primary Engine Engine Type: Air/oil-cooled, four-stroke flat-twin engine Displacement: 1130 cc Performance Horsepower: Approximately 85 hp @ 6,750 rpm (typical for R1150GS models) Torque: Approximately 71 lb-ft @ 5,250 rpm (typical for R1150GS models) Fuel System Fuel Delivery: Electronic fuel injection (EFI) Ignition System: Digital ignition (BMW Voll-Zünd-System) 🔧 Transmission Standard Transmission Type: 6-speed manual gearbox Features Clutch: Single dry plate clutch 📐 Dimensions Weights Dry Weight: Approximately 236 kg (520 lbs) for R1150GS Wet Weight: Approximately 256 kg (564 lbs) for R1150GS (with fluids) 🛡️ Safety Features Active Features Braking System: Integral ABS II (Anti-lock Braking System), typically with two-channel operation. Disc Brakes: Dual 305 mm discs with four-piston calipers (front), Single 276 mm disc with two-piston caliper (rear). 💡 Technology Features Infotainment Instrument Cluster: Analog tachometer and speedometer, digital odometer, clock, gear indicator, and diagnostic indicators. Driver Assistance ABS: Integral ABS II provides advanced braking assistance. Connectivity Diagnostic Port: On-board diagnostics capabilities for fault code retrieval. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 km or annually, whichever comes first (refer to manual for exact BMW specifications). Valve Adjustment Interval: Typically every 20,000 km (refer to manual for exact BMW specifications). Fluid Specifications Engine Oil Type: BMW recommends specific multi-grade oils like SAE 15W-50 or 20W-50 (refer to manual for precise BMW PN and API classification). Brake Fluid Type: DOT 4 brake fluid (refer to manual for BMW specific recommendation). Transmission Oil Type: BMW Gear oil (refer to manual for specific BMW PN). Known Issues Hall Effect Sensor: Potential for failure leading to starting issues or engine stalling. Clutch Slave...