This manual covers the All-Terrain Vehicles (ATVs) produced for the model years 2010, 2011, and 2012. These versatile ATVs are engineered for a balance of utility, performance, and rider comfort, making them suitable for a wide range of applications from work to recreation. Notable features include a powerful 549 cc liquid-cooled, 4-stroke engine with Electronic Fuel Injection (EFI), an automatic Variable Transmission (PVT) with high, low, neutral, and reverse gears, and an On-Demand All-Wheel Drive system. Specific variants offer Electronic Power Steering (EPS) for enhanced control and comfort. The X2 models are distinguished by their unique tilting cargo bed and convertible two-up seating. This comprehensive workshop service and repair manual provides essential information for maintaining, diagnosing, and repairing these ATV models. It details procedures for the engine and powertrain, including the engine, fuel system, transmission, and drive systems. Coverage extends to the chassis and body, brakes, and electrical systems, with specific guidance on maintenance tasks such as oil changes, filter replacements, and fluid specifications. Troubleshooting guides, diagnostic procedures for the EFI system, and detailed explanations of repair and rebuild processes are included. The manual is designed to empower both professional mechanics and less experienced DIY enthusiasts, enabling them to perform service and repairs efficiently and effectively, mirroring the information utilized by authorized service centers. 🏷️ Basic Information Identification Make: Polaris Model: Sportsman 550 / Sportsman X2 550 / Sportsman 550 EPS / Sportsman Touring 550 EPS Model Variants Covered: Sportsman 550, Sportsman X2 550, Sportsman 550 EPS/INT’L, Sportsman Touring 550 EPS, Sportsman 550/550 EPS/INT’L, Sportsman X2 550/Tour 550 EPS Model Years: 2010, 2011, 2012 Vehicle Type: All-Terrain Vehicle (ATV) 👋 Introduction Market Position Target Audience: Professional Mechanics and Non-Experienced DIY Enthusiasts Value Proposition: Enables users to save money by performing their own repairs and servicing, offering the same information used by dealership technicians. Competitive Analysis Comparison To Dealer Service: Provides equivalent information used by authorized Polaris service centers, offering a cost-effective alternative to dealership labor charges. Key Features Benefit Of Digital Format: Save permanently to hard disk, immediate access without postal delays, readable on multiple devices. 📋 Manual Details Coverage Areas Primary Coverage: Workshop Service and Repair Secondary Coverage: Maintenance, Diagnostics, Troubleshooting, Specifications Page Count Estimated Page Count: Likely several hundred pages (specific count not provided, but typical for comprehensive workshop manuals) Manual Type Type: Workshop Service Manual / Repair Manual Language Language: English Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Engine And Powertrain: Engine Service (Disassembly, Assembly), Fuel System, Electronic Fuel Injection (EFI), Cooling System, Transmission System, Clutching (PVT) System, Drive Belt System, Drive Clutch Service, Final Drive System, Gearcase - Centralized Hilliard, Differential Gearcase Chassis And Body: Body/Frame System, Steering System, Suspension System, Ball Joint Service, Stabilizer Bar, Shocks/Springs System Brakes: Brakes System, Hydraulic Brake System Electrical: Electrical System, Instrument Cluster, Ignition System, Lighting System, Fuse & Relay, Charging System, Battery System, Starter Motor System, Wiring Diagram Procedures Included Maintenance And Tune-Up: Periodic Maintenance, Fluid Specifications, Battery Maintenance, Filter Replacement Diagnostics And Troubleshooting: EFI Diagnostics, Troubleshooting Guides, Fault Code Interpretation (implied by ECU coverage), Electrical System Troubleshooting Repair And Rebuild: Complete Engine Rebuild, Transmission Overhaul, Suspension Component Replacement, Brake System Service, Electrical Component Repair, Drive System Component Replacement Technical Depth Depth: Comprehensive, covering from basic maintenance to detailed component overhaul and electrical diagnostics. Suitable for professional mechanics and advanced DIY users. 📊 Manual Specifications File Format Compatibility: Compatible with ALL Windows Versions and ALL Mac Versions Required Software: Adobe Acrobat Reader (for viewing PDF), WinZip or WinRAR (for extracting ZIP file) Print Quality Diagram Quality: High Definition Diagrams Readability: Readable by any Devices with PDF Reader Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Features Searchability: Searchable text content (inherent to well-formed PDFs) Navigation: Bookmarks for every chapter for easy navigation Printing: Ready to Print Installation: No need to install any extra software (beyond PDF reader and extraction tools) ⚙️ Engine Specifications Primary Engine Engine Model: Fuji ES550PLE Engine Displacement: 549 cc Engine Configuration: 1-Cylinder Engine Type: 4-Stroke Cooling System: Liquid-Cooled Performance Horsepower: Specific HP not provided, but typically in the 40-50 HP range for this displacement and era. Torque: Specific Torque not provided. Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Efi Components Covered: Electronic Control Unit (ECU), Fuel Pressure Regulator, Idle Air Control, Throttle Position Sensor 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission / PVT - Polaris Variable Transmission) Features Drive Modes: High, Low, Neutral, Reverse (standard on these models) Clutching: Primary (Drive) and Secondary (Driven) Clutch Service, Drive Belt System Gear Selection: Shift Linkage / Gear Selector Service Drive Systems Drive System Type: On-Demand All-Wheel Drive (AWD) with 2WD/4WD selector, often with Polaris's 'ADC' (Active Descent Control) or similar electronic aids depending on specific trim. Centralized Hilliard gearbox is a key component. Drive...