This manual covers the 450 SX and 505 SX ATVs from the 2009, 2010, and 2011 model years. These ATVs embody a 'Ready to Race' philosophy, offering exceptional power and handling for competitive off-road environments. Built with robust engineering, these ATVs are designed for demanding use, leveraging extensive experience in motorcycle racing to provide a thrilling and capable riding experience. This comprehensive workshop and service manual is designed to assist owners, independent repair shops, and professional mechanics in maintaining and repairing these performance ATVs. It provides detailed, vehicle-specific information, including step-by-step repair instructions, diagnostic procedures, and technical specifications that mirror the information used by authorized service departments. The manual covers all essential systems, from the engine, transmission, and fuel system to the electrical components, chassis, and suspension, ensuring that all aspects of the ATV can be serviced and kept in optimal condition. 🏷️ Basic Information Identification Make: KTM Model: 450 SX / 505 SX ATV Generation: First Generation (for these specific model years) Product Type: Service Repair Workshop Manual Product Format: PDF Download 👋 Introduction Market Position Target Audience: KTM 450/505 SX ATV owners, independent repair shops, and professional mechanics. Competitive Analysis Advantage: Provides dealer-level repair information, enabling DIY repairs and informed discussions with service technicians, leading to significant cost savings. Key Features Content: Step-by-step instructions, diagrams, illustrations, wiring schematics, and comprehensive specifications. Accuracy: Vehicle-specific, not generic; reflects the exact information used by authorized KTM service departments. Usability: Designed for ease of use for individuals with basic mechanical skills, facilitating safe and effective servicing and repairs. 📋 Manual Details Coverage Areas Applicable Years: 2009, 2010, 2011 Covered Models: KTM 450 SX ATV, KTM 505 SX ATV Page Count Estimated Page Count: Refer to actual manual for definitive count, typically 300+ pages for comprehensive workshop manuals. Manual Type Type: Workshop Manual / Service Manual / Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drive Chain, Sprockets Chassis: Suspension (Shocks), Steering System, Bodywork Fuel And Exhaust: Fuel System, Intake & Exhaust Electrical: Electrical System, Wiring Diagram Cooling: Cooling System Lubrication: Lubrication System General Information: Provides foundational information about the ATV, safety precautions, and general operating procedures. Steering System: Covers steering column, tie rods, and hub assembly maintenance and repair. Shocks: Details on front and rear suspension components, including shock absorber servicing, adjustments, and replacement. Bodywork: Instructions for removing and installing body panels, fenders, and seat. Procedures Included Maintenance: Routine Maintenance, Periodic Checks and Adjustments Diagnostics: Troubleshooting, Advanced Troubleshooting Repair: Step-by-step repair instructions for all covered systems Engine Work: Engine Removal and Installation, Engine Rebuild Procedures Electrical Work: Wiring diagnostics and repair Carburetor Service: Comprehensive guide to carburetor cleaning, adjustment, and rebuild. Wiring Diagram Analysis: Detailed wiring schematics for diagnosing and repairing electrical faults. Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to complete engine and transmission overhauls. Includes diagnostic procedures and specifications for technicians. 📊 Manual Specifications File Format Quality: High-quality PDF, designed for clarity and readability. Print Quality Printable: Yes, all pages are printable for use in a workshop environment. Binding Type Binding: N/A (Digital PDF Download) Paper Type Paper Type: N/A (Digital PDF Download) Software Requirements Reader: Adobe PDF Reader (or compatible) Compatibility Operating Systems: Compatible with all versions of Windows and Mac OS. ⚙️ Engine Specifications Primary Engine Type: Single-cylinder, 4-stroke (likely SOHC or DOHC based on typical KTM SX models of that era, exact configuration detailed in manual). Displacement: 450cc for 450 SX, 505cc for 505 SX. Precise bore and stroke dimensions provided in the manual. Performance Horsepower Range: Typically in the 40-50 HP range, specific figures available in manual. Torque Figures: Detailed torque specifications for engine components and assemblies provided. Fuel System Induction: Likely Keihin FCR carburetor (specific model and jetting details in manual) or potentially early EFI on some variants. Manual covers fuel system diagnostics and component service. Engine Oil Specification: KTM recommends specific oil grades and viscosities (e.g., Motorex Power Synth 10W-50 or similar). Manual provides exact fluid specifications and capacities. 🔧 Transmission Standard Type: Constant mesh, sequential manual gearbox. Likely 5-speed or 6-speed. Manual details shift mechanism, gear ratios, and clutch operation. Optional Optional Transmissions: Not applicable for this performance ATV model. Features Clutch: Hydraulically operated wet multi-plate clutch. Manual covers clutch adjustment, friction plate replacement, and hydraulic system service. Transmission Fluid Specification: Specific transmission oil and capacity detailed in the manual, often shared with engine oil for KTM models of this era. 📐 Dimensions Exterior Length Width Height: Detailed dimensions are specific to each model year and variant; manual provides comprehensive chassis and bodywork measurements for reference. Weights Dry Weight: Approximate dry weights are typically around 160-170 kg, depending on the specific 450 or 505 model. Manual provides exact curb weights and weight distribution. 🛡️ Safety Features Ratings Safety Features Overview: As a...