This manual covers the 450 SX and 505 SX ATVs produced between 2009 and 2011. These models were designed for high-performance off-road use, often sharing technology with their motocross bikes. These ATVs are recognized for their powerful engines and capable chassis, making them a popular choice in the racing community. This comprehensive workshop service repair manual provides detailed, factory-level information for do-it-yourself enthusiasts and experienced mechanics. It includes step-by-step instructions for maintenance and repair, covering engine systems, drivetrain, chassis, and electrical systems, complete with troubleshooting guides and wiring diagrams. The manual also features hundreds of photos and illustrations to aid in understanding and is presented in English. 🏷️ Basic Information Identification Make: KTM Model: 450 SX / 505 SX ATV Model Variants: 450 SX, 505 SX Production Years Covered: 2009, 2010, 2011 Codes Chassis Codes: Refer to specific model year documentation (e.g., SX 450 2009 may have a specific chassis code) 👋 Introduction Market Position Target Audience: Do-it-yourselfer and experienced mechanic Competitive Analysis Value Proposition: Inexpensive way to keep vehicle working properly, direct factory information Key Features Manual Advantage: Comprehensive, detailed, visual support, easy navigation Digital Convenience: No shipping costs, immediate access, printable 📋 Manual Details Coverage Areas Coverage Scope: Complete official full factory service and repair manual Page Count Estimated Page Count: Hundreds of pages (specific number not provided, but implied to be comprehensive) Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Delivery Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Fuel System, Cooling System, Engine Top End, Engine Lubrication System, Engine Removal/Installation, Crankshaft/Transmission Drivetrain Systems: Clutch, Crankshaft/Transmission, Wheels/Tires, Final Drive Chassis Systems: Brakes, Suspension, Steering, Frame Electrical Systems: Electrical System (including troubleshooting and wiring diagrams) General Information: General Information, Appendix Procedures Included Maintenance Procedures: Step-by-step instructions for maintenance and service Repair Procedures: Detailed step-by-step instructions for repair, based on complete disassembly Troubleshooting: Diagnostic and troubleshooting procedures, especially for the electrical system Technical Depth Depth Of Information: Professional quality, in-depth, complete factory level detail Visual Aids: Hundreds of photos and illustrations, enlarged inset views for detail Instruction Format: Numbered instructions, detailed substeps, bold figure numbers 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: Printable without any restriction, entire manual or specific pages Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Compatibility Operating Systems: All PC based Windows operating systems, Mac Requirements Software Requirements: Adobe PDF Reader Delivery Delivery Method: Instant download link on checkout page after payment ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, 4-stroke (typically SOHC, liquid-cooled for SX models of this era) Displacement 450: Approximately 450cc (specific exact bore x stroke required from manual) Displacement 505: Approximately 505cc (specific exact bore x stroke required from manual) Performance Horsepower Estimate: Typically in the 50-60 HP range, depending on specific tuning and model variant (requires manual verification) Torque Estimate: Details to be found within the manual (specific values depend on engine configuration) Fuel System Fuel Delivery System: Likely Carburetor (e.g., Keihin FCR) or Fuel Injection depending on specific sub-model and market. Manual will specify. Fuel Type: Unleaded gasoline (specific octane rating to be confirmed in manual) Engine Lubrication System Oil Type Specification: Manual will specify exact oil viscosity (e.g., SAE 10W-50) and API service classification Oil Capacity: Manual will specify oil capacity with and without filter change 🔧 Transmission Standard Transmission Type: Manual, 5-speed constant mesh (typical for this era SX ATV) Optional Optional Transmissions: N/A (typically a single transmission offering for race-oriented ATVs) Features Clutch Type: Hydraulically operated multi-plate wet clutch (standard for KTM SX models) Gear Ratios: Specific gear ratios for each speed will be detailed in the manual Transmission Fluid Specification: Manual will specify appropriate transmission/gearbox oil type and capacity 📐 Dimensions Exterior Wheelbase: Refer to specific model year data in manual (typically around 1300-1400mm) Ground Clearance: Refer to specific model year data in manual (typically around 250-300mm) Weights Dry Weight: Refer to specific model year data in manual (typically around 160-170kg) Fuel Tank Capacity: Refer to specific model year data in manual (typically around 8-10 liters) 🛡️ Safety Features Ratings Safety Ratings: ATVs are not typically subjected to formal crash test ratings like passenger cars. Safety information pertains to proper operation and maintenance. Active Features Braking System: Hydraulic disc brakes front and rear (specific caliper and rotor sizes in manual) Passive Features Tire Specifications: Manual will list recommended tire sizes for front and rear (e.g., AT 21x7-10 front, AT 20x10-9 rear) 💡 Technology Features Infotainment Infotainment System: N/A (This is a performance off-road ATV, typically devoid of traditional infotainment features). Driver Assistance Driver Assistance Features: N/A (Off-road ATV, no driver assistance systems like ABS or traction control found on street vehicles). Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Manual will specify intervals based on operating...