This manual covers the 2010 Polaris Sportsman 550 EPS Touring X2, a versatile All-Terrain Vehicle (ATV) designed for both recreational riding and demanding utility tasks. Building on the Polaris Sportsman heritage, this 9th generation platform offers a 549cc liquid-cooled, EFI-equipped engine known for its low-end torque. Key features enhancing its capability and rider comfort include Electronic Power Steering (EPS), On-Demand All-Wheel Drive (AWD), Independent Rear Suspension (IRS), and the practical Lock & Ride cargo system. The Touring and X2 variants further provide 2-up seating and a rear dump box, respectively, making it suitable for a wide range of applications from trail exploration to farm work. This comprehensive English-language manual serves as an essential resource for owners, mechanics, and technicians. It details routine maintenance procedures, such as oil changes and filter replacements, alongside in-depth repair instructions for all major systems, including the engine, drivetrain, chassis, and electrical components. The manual also provides crucial diagnostic procedures for troubleshooting common issues and maintaining optimal performance, with specific coverage for the EFI and EPS systems. Its scope encompasses everything from basic upkeep to complete overhauls, ensuring the longevity and proper functioning of your 2010 Polaris Sportsman 550 model. 🏷️ Basic Information Identification Make: Polaris Model: Sportsman 550 EPS Touring X2 Year: 2010 Type: All-Terrain Vehicle (ATV) Generation Platform Generation: Polaris Sportsman (9th Generation) Codes Vin Prefix: 4X4 (Varies by specific model variant, consult manual for details) 👋 Introduction Market Position Segment: Premium Utility/Recreational ATV Target Audience: Recreational riders, hunters, farmers, and utility users requiring a comfortable and capable 2-up ATV. Competitive Analysis Competitors 2010: Can-Am Outlander, Yamaha Grizzly, Arctic Cat Thundercat, Honda Foreman Key Features Unique Selling Points: Electronic Power Steering (EPS), 2-Up Seating (Touring), Lock & Ride Cargo System, Independent Rear Suspension (IRS), On-Demand All-Wheel Drive (AWD) 📋 Manual Details Coverage Areas Primary Coverage: 2010 Polaris Sportsman 550 ATVs, 2010 Polaris Sportsman 550 EPS ATVs, 2010 Polaris Sportsman 550 Touring ATVs, 2010 Polaris Sportsman 550 X2 ATVs Parts Catalog Integration: Includes information for looking up parts, implying parts diagrams and identification. Page Count Estimated Page Count: Comprehensive (Specific page count not provided, but typical for full service manuals is 500-1000+ pages) Manual Type Manual Type: Repair Manual / Workshop Manual / Owner's Manual / Parts Catalog Language Language: English Format Delivery Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Engine removal/installation, lubrication, cooling, fuel system, intake, exhaust, engine specifications, diagnostics Drivetrain Systems: Transmission, drive chain, sprockets, clutch system, differentials, AWD system Chassis Systems: Steering system, suspension (shocks), braking system, frame, bodywork Electrical Systems: Wiring diagrams, ignition system, lighting, starting and charging system, EFI system, EPS (Electronic Power Steering) system Efi System: Engine Control Module (ECM) diagnostics, sensor testing, injector servicing. Procedures Included Maintenance Procedures: Routine maintenance, oil changes, filter replacements, spark plug servicing, brake checks, suspension adjustments Repair Procedures: Engine rebuilds, transmission overhaul, suspension component replacement, steering system repair, electrical component troubleshooting and repair, body panel repair Diagnostic Procedures: Advanced troubleshooting guides, symptom-based diagnostics, common issues and solutions, diagnostic tool usage (if applicable) Troubleshooting Guides: Detailed troubleshooting sections for various systems, including engine performance, electrical faults, and steering issues. Technical Depth Depth Of Information: Comprehensive: Covers basic maintenance to complete engine and transmission overhauls, including electrical system diagnostics and EPS system repair. 📊 Manual Specifications File Format File Type: PDF Digital Rights: Lifetime Protection Policy if lost or damaged Print Quality Searchability: Likely searchable text (typical for professionally created PDF manuals) Binding Type Binding Type: Digital Download (no physical binding) Paper Type Paper Type: Digital Download (no physical paper) ⚙️ Engine Specifications Primary Engine Engine Type: 4-Stroke DOHC Twin-Cylinder Displacement: 850cc (Actual displacement for the 550 model is 549cc) Bore X Stroke: 74 mm x 64 mm (for the 549cc engine) Performance Horsepower: Approximately 40 HP (for the 549cc engine, exact figure varies) Torque: Significant low-end torque for pulling and climbing (specific Nm not readily available for this model year) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline Cooling System Cooling Method: Liquid-Cooled Engine Type Engine Family: ProStar (though the 550 engine predates the full ProStar branding, it shares lineage) 🔧 Transmission Standard Transmission Type: Automatic PVT (Polaris Variable Transmission) with Engine Braking Features Drive Modes: High, Low, Reverse, Neutral, Park Final Drive: Shaft Drive with AWD 📐 Dimensions Exterior Length: 83 in. (210.8 cm) - Varies slightly by specific model (Touring/X2) Width: 46 in. (116.8 cm) Height: 50 in. (127 cm) Weights Dry Weight: Approx. 715 lbs (324 kg) - Varies by model Ground Clearance: 11.5 in. (29.2 cm) Cargo Rack Capacity Front: 100 lbs (45 kg) Rack Capacity Rear: 200 lbs (90 kg) (X2 model has a rear dump box) Towing Towing Capacity: 1500 lbs (680 kg) Fuel Capacity Fuel Tank Capacity: 5.25 gal (19.9 L) 🛡️ Safety Features Ratings Safety Certification: ATV Safety Institute...