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Introduction
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Market Position
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Target Audience:
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Do-it-yourself enthusiasts and experienced professional mechanics
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Value Proposition:
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Inexpensive way to maintain and repair BMW motorcycles, ensuring optimal working condition and longevity.
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Key Features
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Authenticity:
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Complete official factory service manual printed by BMW.
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Comprehensiveness:
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Covers all aspects of service, repair, and troubleshooting for the specified models.
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Utility:
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Designed for clarity and ease of use, with detailed instructions and visual aids.
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Delivery:
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Instant download with no shipping costs or waiting time.
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Competitive Analysis
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Segment:
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These models competed in the sport-touring (R, RT) and adventure-touring (GS) segments against other European and Japanese manufacturers.
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Manual Coverage
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Systems Covered
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Engine:
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Full engine overhaul, top-end and bottom-end components, valve adjustment, fuel injection system, ignition system, exhaust system
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Transmission:
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Gearbox disassembly and reassembly, clutch operation, final drive, shaft drive maintenance
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Electrical:
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Complete electrical system diagnosis, troubleshooting, wiring diagrams, lighting, starting system, charging system, ignition system, ABS module
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Chassis:
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Frame, suspension (front forks, rear shock absorber), steering system, wheels, tires, brakes (hydraulic system, ABS components)
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Bodywork:
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Fairing removal and installation, seat, fuel tank, body panels, luggage systems (for RT and GS variants)
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Procedures Included
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Maintenance:
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Scheduled maintenance, oil changes, filter replacements, brake fluid changes, tire pressure checks, chain adjustment (if applicable to specific sub-model variations not explicitly stated but implied by model range)
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Troubleshooting:
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Systematic diagnostic procedures for common and uncommon issues, fault code interpretation (if applicable), electrical troubleshooting guides
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Repair:
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Step-by-step repair instructions for all major components and systems, including detailed disassembly, assembly, and adjustment procedures
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Engine Rebuild:
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Includes complete engine disassembly, inspection, component replacement (pistons, rings, bearings), cylinder head rebuilding, and engine reassembly with torque specifications.
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Suspension Service:
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Detailed instructions for fork seal replacement, oil changes, spring replacement, rear shock absorber servicing, and adjustment procedures.
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Fuel System Diagnosis:
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Troubleshooting fuel delivery issues, injector cleaning, throttle body synchronization, and fuel pump testing.
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Brake System Overhaul:
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Complete brake system service including master cylinder rebuilds, caliper servicing, brake line replacement, and ABS bleeding procedures.
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Technical Depth
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Depth:
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Comprehensive; covers everything from basic maintenance to complete engine and transmission rebuilds, including advanced electrical diagnostics and ABS system service.
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Diagnostic Charts:
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Likely includes diagnostic charts and flowcharts to systematically identify problems.
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Torque Specifications:
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All critical torque specifications for fasteners are provided.
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Schematics:
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Detailed electrical schematics and component diagrams.
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Engine Specifications
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Primary Engine
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Type:
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Air/Oil-Cooled, Four-Stroke, Boxer Twin Engine (specific displacement varies by sub-model, but commonly the 1130cc variant)
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Performance
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Displacement:
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Typically 1130 cc (1130 cubic centimeters). Note: Manual covers variations across R, RT, GS models which might have minor tuning differences, but the core engine block is the same.
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Fuel System
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Injection Type:
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Bosch Motronic Electronic Fuel Injection (EFI) with integrated ignition control. Specific Motronic variant may vary, manual will detail this.
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Ignition System
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Type:
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Fully mapped electronic ignition system, integrated with fuel injection.
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Cooling System
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Method:
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Air cooling supplemented by oil cooling for critical components like the cylinder heads.
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Maintenance
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Service Intervals
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Oil Change:
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Typically every 10,000 km (6,200 miles) or annually, whichever comes first. Manual will confirm specific intervals and recommended oil types.
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Valve Adjustment:
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Recommended at significant mileage intervals (e.g., 20,000 km / 12,500 miles). Manual provides detailed procedure.
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Fluid Specifications
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Engine Oil:
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Specific viscosity and API/JASO ratings (e.g., SAE 20W-50 or 15W-50, API SG or higher, JASO MA). Manual will list exact BMW-approved fluids and capacities.
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Brake Fluid:
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DOT 4 or DOT 5.1 recommended. Manual will specify the exact type and required replacement intervals.
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Transmission Fluid:
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Specific gear oil viscosity and type (e.g., SAE 75W-90 GL-5). Manual will detail capacity and change intervals.
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Known Issues
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Common Wear Items:
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Clutch wear, output shaft seal leaks, alternator brushes, and fork seal leaks are common areas that may require attention over time. Manual provides diagnostic and repair guidance.
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Electrical Gremlins:
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While generally robust, occasional electrical connection issues or component failures can occur. The detailed wiring diagrams and troubleshooting sections in the manual are invaluable for diagnosing these.
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Vehicle Specs
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Engine Type
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Engine Configuration:
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Horizontal opposed twin-cylinder (Boxer)
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Bore X Stroke:
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Specifics vary, but a common figure for the R1150 series is 101 mm x 70.5 mm. Manual will provide exact values.
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Compression Ratio:
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Typically around 9.5:1 or 10:1 depending on model variant. Manual will detail.
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Chassis
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Frame Type:
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Integral frame concept (BMW's proprietary chassis design)
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Front Suspension:
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BMW Telelever system (on most models, GS typically has standard telescopic forks with longer travel).
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Rear Suspension:
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BMW Paralever single-sided swingarm with monoshock absorber.
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Wheels Tires
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Wheel Size Front:
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Commonly 17-inch or 19-inch depending on model variant (e.g., GS often 19-inch). Manual will specify.
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Wheel Size Rear:
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Commonly 17-inch. Manual will specify.
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