🏷️ Basic Information Identification Make: KTM Model: 990 Super Duke Model Year Range: 2003-2006 Codes Vin Code Prefix: VBK 👋 Introduction Market Position Segment: High-Performance Naked Sportbike Target Audience: Enthusiast riders seeking to maintain, repair, and understand their KTM 990 Super Duke. Competitive Analysis Competitors 2003-2006: Ducati Monster S4R, Triumph Speed Triple, Aprilia Tuono R, Benelli TnT Key Features Bike Highlights: Powerful V-Twin engine, sharp handling, aggressive styling, premium components. Manual Value Proposition Dealer Level Info: Provides identical technical information used by KTM authorized service centers. Ease Of Use: Clear, concise text with detailed illustrations designed for accessibility by individuals with basic mechanical aptitude. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance, Diagnostics, Troubleshooting, Technical Specifications, Scheduled Service Information, Tech Service Bulletins (TSBs), Recall Information Page Count Estimated Page Count: High (typical comprehensive service manuals range from 500-1000+ pages) Manual Type Type: Service Repair Manual (SRM) Language Language: English Format Format: PDF (Portable Document Format) Download Type: Direct Download Compatibility Operating Systems: Windows, macOS, Linux 📖 Manual Coverage Systems Covered Powertrain: Engine (LC8 V-Twin), Clutch, Transmission, Fuel System, Exhaust System Chassis: Frame, Swingarm, Suspension (Front & Rear), Steering System, Brakes (Front & Rear), Wheels, Tires Electrical: Ignition System, Lighting System, Battery, Starter System, Charging System, Instrument Cluster, Wiring Diagrams Bodywork And Fittings: Body Panels, Seat, Fuel Tank, Handlebars, Footpegs, Fairings (if applicable), Fasteners Procedures Included Maintenance: Scheduled Maintenance (oil changes, filter replacements, chain adjustment, spark plug service), Tune-ups, Brake System Service, Fluid Checks and Replacements Repair And Overhaul: Engine Disassembly and Reassembly, Clutch Inspection and Replacement, Transmission Overhaul, Suspension Fork Service, Brake Caliper Rebuild, Carburetor/Fuel Injection Servicing Diagnostics And Troubleshooting: Fault Finding Charts, Symptom-Based Diagnostics, Electrical System Troubleshooting, Engine Performance Issues Technical Information: Torque Specifications, Clearance Measurements, Timing Procedures, Wiring Schematics, Component Specifications Technical Depth Depth: Comprehensive: From basic owner maintenance to in-depth engine and transmission rebuilds, covering all aspects of repair and diagnostics performed by dealership technicians. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable if created from digital source or high-quality scan. Print Quality Print Readability: Optimized for digital viewing and printing, with clear text and detailed illustrations. Binding Type Binding: N/A (Digital Download - PDF) Paper Type Paper: N/A (Digital Download - PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Liquid-cooled, 4-stroke, 75° V-twin, DOHC, 4 valves per cylinder Engine Code: LC8 (Liquid Cooled 8 valve) Displacement: 999 cc Performance Bore X Stroke: 98 x 66 mm Compression Ratio: 11.5:1 (approximate, may vary slightly) Peak Horsepower: Approx. 113 hp @ 9,000 rpm Peak Torque: Approx. 95 Nm (70 lb-ft) @ 7,000 rpm Fuel System Fuel Delivery: Fuel Injection (EFI) with dual throttle bodies Ignition: Electronic ignition, twin spark plugs per cylinder Lubrication System: Wet sump with oil cooler 🔧 Transmission Standard Type: 6-speed, constant mesh Clutch Type: Wet multi-disc clutch, hydraulically operated Final Drive: X-ring chain drive Features Transmission Features: Robust design for high torque output, precise shifting action. 📐 Dimensions Exterior Length: Approx. 2,100 mm (82.7 in) Width: Approx. 800 mm (31.5 in) (excluding mirrors) Height: Approx. 1,150 mm (45.3 in) (excluding mirrors) Wheelbase: Approx. 1,450 mm (57.1 in) Weights Dry Weight: Approx. 196 kg (432 lbs) Wet Weight: Approx. 210 kg (463 lbs) (fully fueled) Gvwr: Not typically specified for motorcycles, but implies payload capacity. Chassis And Suspension Frame Type: Chromium-molybdenum steel trellis frame Front Suspension: WP USD (Upright) front forks, adjustable for preload, compression, and rebound damping Rear Suspension: WP Monoshock, adjustable for preload, compression, and rebound damping Front Brake: Dual 320 mm discs, radially mounted 4-piston calipers (Brembo) Rear Brake: Single 240 mm disc, 2-piston caliper (Brembo) Wheel Type: Light alloy cast wheels Front Wheel Size: 3.50 x 17" Rear Wheel Size: 5.50 x 17" Front Tire Size: 120/70-17 Rear Tire Size: 180/55-17 Fuel Capacity: 15 Liters (3.96 US gal) 🛡️ Safety Features Ratings Safety Ratings: N/A (Motorcycle safety is assessed via design and handling capabilities, not formal crash ratings like cars.) Active Features Braking: High-performance Brembo braking system, dual discs front, single disc rear. Suspension: Fully adjustable WP suspension allows for optimal handling and stability in various conditions. Handling: Trellis frame and aggressive geometry contribute to agile and predictable handling. Passive Features Ergonomics: Designed for rider control and comfort during spirited riding. Lighting: Powerful headlight and taillight for visibility. 💡 Technology Features Infotainment Infotainment System: Basic dashboard with analog tachometer, digital speed display, trip meters, clock, and warning lights. No advanced infotainment features expected. Driver Assistance Electronic Aids: No ABS or traction control on early models (check for specific year updates). Primary focus is on rider control and mechanical feedback. Connectivity Connectivity Features: N/A Engine Management ECU Features: Engine Control Unit (ECU) manages fuel injection and ignition timing for optimal performance and emissions. Manual details ECU diagnostics and potential remapping. 🔧 Maintenance Service Intervals...