The BMW R1150 R Rockster, produced from 2003 to 2005, is a performance-oriented naked sport-touring motorcycle celebrated for its rugged, versatile, and characterful design. This model, known by its R28 model code, evolved from earlier R1150R variants, offering a more stripped-down, aggressive aesthetic with unique styling elements. Powered by a robust 1130cc Boxer engine, it delivers approximately 95 horsepower and 98 Nm of torque, featuring a 6-speed manual gearbox and shaft drive. Its engineering quality is a hallmark of BMW's rich heritage in motorcycle manufacturing, making it a distinctive choice among contemporary sport-touring machines. This comprehensive full service repair manual provides detailed information for the maintenance and repair of the BMW R1150 R Rockster. It covers all essential systems, including the engine, fuel injection, transmission, electrical components, and chassis. The manual offers step-by-step instructions for scheduled maintenance, troubleshooting common issues, and complete component overhaul. With extensive coverage and multiple supported languages, this manual is an indispensable resource for owners and technicians seeking to ensure the optimal performance and longevity of their vehicle, facilitating both routine upkeep and in-depth repairs. 🏷️ Basic Information Identification Make: BMW Model: R1150 R Rockster Model Code: R28 Generation Generation Name: First Generation Generation Years: 2003-2005 👋 Introduction Market Position Positioning: Performance-oriented naked sport-touring motorcycle. Competitive Analysis Competitors: Directly competed with other large displacement naked or sport-touring motorcycles of the era from manufacturers like Ducati, Triumph, and Honda. Key Features Design Philosophy: Rugged, versatile, and characterful motorcycle known for its distinctive styling and robust Boxer engine. Uniqueness: The Rockster model offered a more stripped-down, aggressive aesthetic compared to the R1150R, with unique styling elements and often higher specification components. Manual Value Proposition Diy Benefit: Enables owners to perform extensive maintenance and repairs, saving money and fostering a deeper understanding of their vehicle. Dealership Equivalence: Contains the same information used by dealership technicians, ensuring accuracy and factory-level repair capability. 📋 Manual Details Coverage Areas Geographic Coverage: Global (as indicated by multi-language support) Page Count Estimated Page Count: Extensive (typically 500+ pages for this level of detail) Manual Type Type: Complete Official Full Service Repair Manual Language Supported Languages: English, French, German, Spanish, Italian, Dutch, US English, Japanese, Korean, Russian, Polish, Greek, Portuguese Format File Format: Disc Image File (.ISO) / Application (.exe) 📖 Manual Coverage Systems Covered Engine: Full engine service, overhaul, tuning, internal components, lubrication system, cooling system (air-cooled with oil cooler) Fuel System: Fuel injection system (Bosch Motronic), fuel pump, injectors, fuel lines, throttle body, emissions control Transmission: Gearbox overhaul, clutch operation and adjustment, final drive maintenance Electrical System: Wiring schematics, battery, charging system (alternator, regulator), ignition system, lighting, starter motor, instrument cluster Chassis And Suspension: Front suspension (Telelever), rear suspension (Paralever), steering system, wheel bearings, braking system (ABS components and operation) Bodywork And Frame: Frame construction, body panels, seat, fairings, fuel tank removal and installation, fasteners Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug checks, valve clearance adjustments, brake fluid flushes, tire pressure checks Troubleshooting: Diagnostic procedures for common faults, error code interpretation (if applicable), systematic problem diagnosis Repair: Step-by-step instructions for component removal, repair, and reinstallation for all covered systems Diagnostics: Detailed diagnostic procedures, including electrical system testing and component checks Technical Depth Depth: Comprehensive; covers basic maintenance to complete engine rebuilds and electrical system diagnostics. 📊 Manual Specifications File Format Digital Format: .ISO / .EXE Print Quality Printable Pages: Yes, full printable pages Image Scaling: Yes, images can be blown up and printed enlarged Binding Type Binding: Digital (printable pages) Paper Type Paper Type: N/A (digital, printable on demand) File Size Size Gb: 7.61 GB Delivery Method Delivery: Instant Download Software Requirements Required Software: MagicISO or DAEMON Tools Compatibility Windows Compatibility: Windows XP (32-bit), Vista (32-bit), 7 (32-bit), 8 (32-bit), 10 (32-bit and 64-bit) Mac Compatibility: Not compatible with MAC Os Bitness Limitation: Not working in 64-bit on Windows XP, Vista, 7, 8 ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, horizontally opposed twin-cylinder (Boxer) Displacement: 1130 cc (1130 cubic centimeters) Bore X Stroke: 101 mm x 70.5 mm Compression Ratio: 9.8:1 Valve Train: Overhead camshafts (SOHC), 4 valves per cylinder Performance Horsepower: 95 hp (70 kW) at 7,250 rpm (approximate) Torque: 98 Nm (72 lb-ft) at 5,250 rpm (approximate) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - Bosch Motronic Fuel Type: Unleaded gasoline (minimum 95 RON recommended) Cooling System Cooling Method: Air-cooled with oil cooler Lubrication System Oil Capacity: Approx. 4 liters (with filter change) 🔧 Transmission Standard Type: 6-speed manual gearbox Features Clutch Type: Single dry plate, hydraulically operated Final Drive: Shaft drive to rear wheel 📐 Dimensions Exterior Length: Approx. 2,230 mm (87.8 in) Width: Approx. 850 mm (33.5 in) Height: Approx. 1,290 mm (50.8 in) (without mirrors) Weights Dry Weight: Approx. 200 kg (441 lbs) Gross Vehicle Weight Rating: Approx. 420 kg (926 lbs)...