The 450 SX-F / XC-F and 505 SX-F / XC-F motorcycles, produced in 2009, represent dedication to high-performance off-road competition. Engineered with a 'Ready to Race' philosophy, these liquid-cooled, four-stroke single-cylinder machines are built for agility and raw power, making them ideal for motocross and cross-country racing. Their design prioritizes race-bred performance, featuring advanced engine technology such as Electronic Fuel Injection (EFI) for precise throttle response and a robust chromoly steel frame for optimal strength and rigidity. With a strong heritage in motorsports, models are globally recognized for their winning capabilities and advanced engineering in the demanding off-road segment. This comprehensive service repair manual, presented in English, offers detailed guidance for the maintenance, service, diagnosis, and repair of the 2009 450 SX-F / XC-F and 505 SX-F / XC-F models. Covering all essential systems including engine management, fuel, lubrication, electrical, and chassis components, it provides step-by-step procedures for periodic maintenance, tune-ups, troubleshooting, and component repair or rebuilds. This professional-level manual equips owners, mechanics, and technicians with the necessary technical specifications, torque values, and diagnostic information to ensure the longevity and optimal performance of these high-performance off-road motorcycles. 🏷️ Basic Information Identification Make: KTM Model: 450 SX-F / XC-F, 505 SX-F / XC-F Year: 2009 Vehicle Type: Off-road Motorcycle (Motocross/Cross-Country) 👋 Introduction Market Position Category: High-Performance Off-Road Competition Motorcycles Competitive Analysis Competitors: Yamaha YZ series, Honda CRF series, Suzuki RM-Z series, Kawasaki KX series Key Features Design Philosophy: Focus on power, agility, and race-bred performance. Utility Target Audience: Motocross and cross-country racers, serious off-road enthusiasts. 📋 Manual Details Coverage Areas Primary Coverage: Maintenance, Service, Diagnosis, Repair Page Count Total Pages: 271 Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Management: Detailed coverage of engine components, including disassembly, reassembly, and specifications. Fuel System: Includes fuel injection system, carburetor (if applicable to specific sub-model), fuel pump, and related components. Lubrication System: Information on oil circulation, oil filter, oil pump, and recommended lubricant specifications. Electrical System: Comprehensive wiring diagrams, ignition system, lighting, battery, charging system, and troubleshooting electrical faults. Chassis Components: Covers suspension (front and rear), steering, brakes, wheels, and frame. Procedures Included Periodic Maintenance: Detailed schedule and procedures for regular maintenance tasks like oil changes, filter replacements, chain adjustment, and spark plug checks. Tune Up: Step-by-step instructions for engine tuning, including idle speed adjustment, fuel mixture, and ignition timing (where applicable). Troubleshooting: Diagnostic procedures for identifying and resolving common and uncommon problems across all vehicle systems. Repair And Rebuild: In-depth guidance for component repair and full engine or chassis rebuilds. Technical Depth Depth: Professional technician level, providing detailed torque specifications, clearances, and diagnostic data. 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Yes, printable Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Compatibility Operating Systems: Windows/Mac Compatible Requirements Software: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Type 450: 4-stroke, single-cylinder, DOHC, 4 valves Engine Type 505: 4-stroke, single-cylinder, DOHC, 4 valves Displacement Displacement 450: Approx. 449cc (specific bore/stroke details in manual) Displacement 505: Approx. 505cc (specific bore/stroke details in manual) Performance Bore Stroke 450: Refer to manual for precise dimensions Bore Stroke 505: Refer to manual for precise dimensions Fuel System Fuel Delivery: Fuel Injection (EFI) - Specific system details within manual Cooling System Cooling: Liquid-cooled Ignition System Ignition: Digital CDI 🔧 Transmission Standard Transmission Type: Constant-mesh, 4-speed (SX-F) or 5-speed (XC-F) sequential gearbox Optional Clutch: Wet multi-disc clutch, hydraulically operated Features Gear Ratios: Detailed gear ratios for each speed are provided in the manual. 📐 Dimensions Exterior Wheelbase: Refer to manual for exact specifications (typically around 58-60 inches) Weights Dry Weight: Refer to manual for exact specifications (typically around 220-235 lbs) 🛡️ Safety Features Ratings Safety Standards: Designed for off-road competition use; does not meet street-legal safety standards. Active Features Braking System: Hydraulic disc brakes front and rear. Specific caliper and rotor details in manual. Passive Features Frame Construction: Chromoly steel frame for strength and rigidity. 💡 Technology Features Infotainment Features: Focus is on performance, not typical automotive infotainment. Features include digital odometer/hour meter. Driver Assistance Features: No electronic driver assistance systems like ABS or traction control on this model. Connectivity Features: No connectivity features. Engine Technology Efi: Electronic Fuel Injection system provides precise fuel delivery and improved throttle response compared to carburetors. 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for recommended intervals based on usage (e.g., hours of operation or mileage). Air Filter Cleaning: Frequent cleaning recommended, especially in dusty conditions. Specific procedures in manual. Valve Adjustment Interval: Refer to manual for recommended intervals (typically thousands of hours or specific mileages). Fluid Specifications Engine Oil Type 450: Refer to manual for specific KTM recommended oil viscosity (e.g., 10W-50, fully synthetic motocross oil). Engine Oil Type 505: Refer to...