This manual covers the 450 SX ATV and 505 SX ATV models from the 2010, 2011, and 2012 model years. These high-performance All-Terrain Vehicles are built with a renowned off-road and racing heritage, offering powerful engines, agile handling, and competition-focused capabilities. Designed for enthusiasts and demanding off-road use, the SX line embodies a commitment to engineering quality and rider-centric design, providing a thrilling and reliable experience. This comprehensive service repair workshop manual provides extensive, factory-equivalent coverage for maintenance, troubleshooting, and diagnostics. It details all major systems, including engine management, powertrain, chassis, suspension, braking, electrical, and bodywork. With step-by-step instructions, exploded diagrams, and detailed technical specifications, this manual is an essential resource for DIY owners, independent repair shops, and technicians aiming to maintain and repair these performance ATVs effectively and efficiently. 🏷️ Basic Information Identification Make: KTM Model: 450 SX ATV / 505 SX ATV Model Years Covered: 2010, 2011, 2012 Codes Vehicle Segment: All-Terrain Vehicle (ATV) 👋 Introduction Market Position Target Audience: DIY owners, independent repair shops, enthusiasts Competitive Analysis Value Proposition: High-quality, complete resource saving money on professional repairs, surpassing incomplete cheaper versions. Key Features Delivery Method: Instant Download, No Shipping Costs Content Quality: Professional Quality, Highly Detailed 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics Page Count Estimated Page Count: Extensive (Specific count not provided, but described as complete A-Z) Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Management: Engine Fuel System, Engine Lubrication and Cooling, Engine Combustion System, Fuel Injection System, Ignition System, Electrical Starter Powertrain: Gearbox & Clutch, Crankshaft/Transmission/Balancer, Transmission System Chassis And Suspension: Front Wheel and Steering System, Rear Wheel System, Suspension, Chassis Braking And Wheels: Braking System, Wheels/Tires/Brakes Electrical And Lighting: Electrical System, Battery/Charging System, Lights/Meters/Switches, Wiring Diagrams Bodywork And Exhaust: Fenders and Exhaust Pipe, Frame/Body Panels/Exhaust System, Body & Fixtures Procedures Included Routine Maintenance: Periodic checks & Adjustments, Maintenance Major Repairs: Engine Removal and Installation, Crankcase/Piston/Cylinder Reassembly, Cylinder Head/Valves Servicing Diagnostic Troubleshooting: Troubleshooting (A lot MORE) Technical Depth Depth: Complete Workshop Level (Factory equivalent) Detail Level: Step-by-step instructions with exploded pictures and diagrams 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Print Quality Printability: Printable (Full manual or specific sections) Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type 450: 450cc, Single-Cylinder, Four-Stroke (Likely SOHC or DOHC) Engine Type 505: 505cc, Single-Cylinder, Four-Stroke (Likely SOHC or DOHC) Performance Horsepower Range: Estimated 50-60 HP (typical for this class, specific data not in description) Torque Range: Estimated 45-55 lb-ft (typical for this class, specific data not in description) Fuel System Fuel Delivery: Fuel Injection System (EFI) Cooling System Cooling Method: Liquid-Cooled Lubrication System Oil Type Requirement: Specific motorcycle/ATV engine oil meeting KTM specifications (detailed in manual) 🔧 Transmission Standard Gearbox Type: Manual Transmission (likely sequential) Optional Transmission Variants: N/A (typically single transmission configuration for SX models) Features Clutch Type: Hydraulic Clutch (typical for KTM) 📐 Dimensions Exterior Vehicle Type: All-Terrain Vehicle (ATV) Weights Dry Weight Estimation: Approx. 375-400 lbs (Varies by specific model and year, data not in description) Gross Vehicle Weight Rating: Specific GVWR not provided, but typical for sport ATVs 🛡️ Safety Features Ratings Safety Certifications: No specific safety ratings mentioned, but designed for off-road recreational use. Active Features Braking System Type: Hydraulic Disc Brakes (Front and Rear) Passive Features Frame Construction: Chromoly Steel Frame (typical for KTM SX models) 💡 Technology Features Infotainment Infotainment System: N/A (Focus is on performance and off-road capability, not typically equipped with infotainment) Driver Assistance Driver Assistance Features: N/A (ATVs of this era typically do not have electronic driver assistance features) Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual (typically every 10-20 engine hours or annually) Air Filter Cleaning: Refer to manual (frequent checks recommended for dusty conditions) Spark Plug Inspection: Refer to manual (interval depends on usage) Fluid Specifications Engine Oil Specification: KTM recommends specific viscosity grades and API/JASO ratings for their engines. Full details in manual. Coolant Type: Antifreeze/coolant mixture suitable for liquid-cooled engines (specific type and ratio in manual). Brake Fluid Type: DOT 4 or DOT 5.1 brake fluid (refer to manual for exact specification) Known Issues Common Wear Items: Brake pads, tires, chain and sprockets (for chain-driven models), suspension components (seals, bushings). Electrical Maintenance: Battery terminal condition, charging system checks, spark plug health. Technical Specs Tire Pressure: Refer to manual for specific front and rear tire pressures based on terrain and load. 📚 Vehicle History Brand Heritage Manufacturer Focus: KTM is renowned for its off-road and racing heritage, particularly in Motocross and Enduro. Model Evolution Sx Line Purpose: The SX line is KTM's performance-oriented, competition-focused ATV range. Production Manufacturing Location: Likely Austria or...