The 2011 Sportsman 400 HO, 500 HO, 500 HO Touring, and Forest Tractor 500 EFI represent a robust and versatile lineup of all-terrain vehicles, built upon a legacy of innovation and durability in the powersports industry. These models are engineered for demanding tasks and recreational pursuits, offering powerful engine options, including 330cc and 499cc variants, both featuring efficient Electronic Fuel Injection (EFI) for optimal performance and starting in various conditions. Key features such as Independent Rear Suspension (IRS), automatic all-wheel drive, and engine braking systems enhance their capability and control across diverse terrains, making them reliable companions for work or adventure. This comprehensive 451-page original factory service manual provides in-depth guidance for maintaining, diagnosing, and repairing the 2011 Sportsman models. It covers all essential systems, including detailed procedures for engine assembly and disassembly, fuel system maintenance, cooling system service, transmission and drivetrain care, suspension and brake system overhauls, and electrical system troubleshooting with comprehensive wiring diagrams. The manual also includes routine maintenance schedules, troubleshooting guides, and specific instructions for component rebuilds, ensuring that owners and technicians have the accurate information needed to keep these vehicles operating at peak performance and longevity. 🏷️ Basic Information Identification Make: Polaris Model: Sportsman 400 HO / 500 HO / 500 HO Touring / Forest Tractor 500 EFI Year: 2011 Codes Chassis Code: Various chassis codes applicable to 2011 models; specific codes typically found within the manual itself 👋 Introduction Market Position Positioning: The Polaris Sportsman line is renowned for its ruggedness, versatility, and capability, appealing to recreational riders, hunters, and utility users. The 2011 models represent a continuation of this legacy, offering robust performance for demanding environments. Competitive Analysis Competitors: Key competitors in the 2011 ATV market included Can-Am Outlander, Yamaha Grizzly, Honda Foreman/Rancher, and Kawasaki Brute Force, all offering similar utility and performance characteristics. Key Features Features: Key features of the 2011 Sportsman models included independent rear suspension (IRS), engine braking systems, versatile storage options, and the robust Polaris ProStar engine platform. Manual Value Proposition Value: This factory service manual is an indispensable tool for owners and technicians, providing the most accurate and complete information to maintain, diagnose, and repair these capable ATVs, ensuring longevity and optimal performance. 📋 Manual Details Coverage Areas Covered Models: Polaris Sportsman 400 HO, Sportsman 500 HO, Sportsman 500 HO Touring, Sportsman Forest Tractor 500 EFI Page Count Page Count: 451 Manual Type Manual Type: Original Factory Service Manual Language Language: English (assumed based on typical Polaris documentation and product description) Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Comprehensive coverage of engine assembly, disassembly, diagnosis, and repair for all applicable engine variants (e.g., 400cc, 500cc HO). Fuel System: Detailed information on fuel injection systems (EFI where applicable), fuel pump, injectors, fuel filter replacement, and troubleshooting. Cooling System: Radiator, fan, thermostat, coolant replacement, and diagnosis of cooling system issues. Transmission: Automatic transmission (PVT - Polaris Variable Transmission) including belt inspection/replacement, clutch service, and gearcase maintenance. Drivetrain: Front and rear drive systems, differentials, driveshafts, CV joints, and final drive maintenance. Suspension: Front and rear suspension components, shock absorbers, A-arms, bushings, and alignment procedures. Brakes: Hydraulic brake system, brake pads, rotors, fluid replacement, bleeding procedures, and caliper service. Electrical System: Battery, charging system (stator, regulator/rectifier), ignition system, lighting, starter motor, and wiring diagrams. Steering: Steering column, tie rods, steering rack/gearbox maintenance and adjustment. Bodywork And Frame: Body panel removal/installation, frame inspection, and related components. Instrumentation And Controls: Dashboard instruments, switches, and controls operation and troubleshooting. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug service, air filter cleaning/replacement, lubrication points. Troubleshooting Guides: Systematic diagnostic procedures for common and uncommon issues, including fault code interpretation for EFI models. Component Disassembly And Assembly: Step-by-step instructions with torque specifications for major component removal and reinstallation. Rebuild Procedures: Detailed guidance for rebuilding engine components, transmissions, and other major assemblies. Wiring Diagrams: Complete and detailed electrical schematics for accurate troubleshooting and repair. Special Tool Identification: Identification and usage instructions for specialized tools required for specific repair procedures. Technical Depth Depth: Comprehensive, covering everything from basic owner maintenance to complete engine and transmission overhauls, advanced diagnostics, and electrical system troubleshooting. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Print Quality: High-resolution scans suitable for printing; includes clear text and legible diagrams. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Searchability Searchability: Likely searchable text within the PDF for quick information retrieval, typical of professionally produced digital manuals. ⚙️ Engine Specifications Primary Engine Engine Type 400Ho: 4-stroke, SOHC, 4-valve, liquid-cooled Engine Displacement 400Ho: 330 cc (approximate) Engine Type 500Ho: 4-stroke, SOHC, 4-valve, liquid-cooled Engine Displacement 500Ho: 499 cc Performance Horsepower Estimate 400Ho: Approximately 30 HP (specific to model configuration) Horsepower Estimate 500Ho: Approximately 38 HP (specific to model configuration) Torque Estimate 500Ho: Approximately...