Basic Information Identification Make: Polaris Model: Sportsman 550 Year: 2011 Vehicle Type: ATV (All-Terrain Vehicle) Trim Levels Covered: Sportsman 550, Sportsman 550 EPS, Sportsman 550 X2, Sportsman 550 Touring Introduction Market Position Market Segment: High-performance utility and recreational ATV segment. Competitive Analysis Competitors 2011: Can-Am Outlander, Yamaha Grizzly, Honda Foreman/Rancher, Suzuki KingQuad. Key Features Vehicle Key Features: Powerful 550cc engine, Polaris Variable Transmission (PVT) with engine braking, On-Demand True All-Wheel Drive (AWD), independent suspension, comfortable rider ergonomics, optional EPS. Key Features Manual Manual Benefits: Enables DIY repairs and maintenance, reduces service costs, provides in-depth technical knowledge, aids in diagnosing issues quickly, printable pages for workshop use. Manual Details Coverage Areas Primary Coverage: 2011 Polaris Sportsman 550 Series ATVs Specific Models Covered: Sportsman 550, Sportsman 550 EPS (Electronic Power Steering), Sportsman 550 X2, Sportsman 550 Touring Page Count Estimated Page Count: 400-600 pages (typical for comprehensive ATV service manuals) Manual Type Manual Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download Manual Coverage Systems Covered Engine Mechanical: Complete engine disassembly, assembly, overhaul, torque specifications, timing, valve adjustments, piston and cylinder specifications. Fuel System: Carburetor (if applicable) or EFI system diagnostics, fuel pump, fuel filter, fuel lines, injectors, fuel tank maintenance. Lubrication And Cooling: Oil pump, oil filter, oil cooler, coolant system, radiator, thermostat, water pump, fluid types and capacities. Transmission And Drivetrain: Automatic transmission (PVT - Polaris Variable Transmission), clutches (primary and secondary), belt inspection and replacement, gearcase lubrication, drive shafts, U-joints, differentials (front and rear), AWD system. Suspension And Steering: Front and rear shocks (gas, oil), springs, bushings, control arms, tie rods, steering column, EPS system components (if applicable), alignment procedures. Brakes: Hydraulic brake system, master cylinder, calipers, brake pads, brake rotors, brake lines, bleeding procedure, parking brake. Electrical System: Ignition system, starter motor, alternator/stator, battery, lighting (headlights, taillights, brake lights), wiring diagrams, fuses, relays, ECU/ECM diagnostics, sensor testing. Bodywork And Chassis: Frame inspection, plastic body panels, seat, racks, fenders, skid plates, bumpers, installation and removal procedures. Intake And Exhaust: Air filter, air box, intake manifold, exhaust system components, mufflers, heat shields. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, tire pressure, chain adjustment (if applicable), clutch maintenance, battery care. Troubleshooting: Diagnostic flowcharts, common problem identification, symptom-based troubleshooting guides for all major systems. Component Repair And Rebuild: Detailed step-by-step instructions for repairing or rebuilding major components like engines, transmissions, differentials, and brake calipers. Part Replacement: Specific instructions for removing and installing virtually all replaceable parts on the ATV. Diagnostic Testing: Procedures for testing electrical components, sensors, fuel system pressure, and other diagnostic checks. Technical Depth Depth: Comprehensive; covers basic maintenance to complete engine and transmission overhauls. Includes detailed specifications, diagrams, and troubleshooting. Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, ensuring clarity of text and diagrams for printing. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, 4-valve, Single Cylinder Displacement: 549cc (approximate) Bore X Stroke: To be detailed in the manual (typical for 550cc class) Cooling System: Liquid-cooled Fuel Delivery: Electronic Fuel Injection (EFI) Performance Horsepower: Approx. 40-45 HP (will be specified in manual) Torque: Will be specified in manual Fuel System Fuel Type: Unleaded gasoline (91 octane recommended) Transmission Standard Transmission Type: Polaris Variable Transmission (PVT) with Engine Braking Gear Selection: High, Low, Neutral, Reverse, Park Features Drive System: Shaft Drive with On-Demand True All-Wheel Drive (AWD) and 2WD selectable Clutch Type: Primary and Secondary CVTech (or similar) centrifugal clutches Dimensions Exterior Length: Varies by model (e.g., Sportsman 550 Touring likely longer than base 550). Specifics in manual. Width: Varies by model. Specifics in manual. Height: Varies by model. Specifics in manual. Weights Dry Weight: Approximately 670-750 lbs depending on model (e.g., X2 and Touring will be heavier). Towing Capacity: 1500 lbs (680.4 kg) Rack Capacity Front: 100 lbs (45 kg) Rack Capacity Rear: 200 lbs (91 kg) Safety Features Ratings Safety Features General: ATV safety regulations compliance, OSHA guidelines (if used for work). Active Features Active Safety: On-Demand True AWD, engine braking, responsive braking system, integrated handguards (may vary). Passive Features Passive Safety: Ergonomic seating, footwells, handlebar design for control. Technology Features Infotainment Infotainment Features: N/A (Focus on functionality, not infotainment) Driver Assistance Driver Assistance Features: Electronic Power Steering (EPS) on applicable models for reduced steering effort and vibration damping. Connectivity Connectivity Features: N/A Maintenance Service Intervals Oil Change Interval: Typically every 100 hours or 6 months (refer to manual for precise intervals and conditions). Air Filter Inspection: Inspect every 25 hours, clean or replace as needed. More frequent in dusty conditions. Spark Plug Replacement: Typically at 100 hours or annually. Clutch Belt Inspection: Inspect every 50 hours or annually. Replace as needed based on wear. Fluid Specifications Engine Oil Type: Polaris...