The 2009 Sportsman 400 HO is a capable all-terrain vehicle designed for a variety of off-road applications, including utility work and recreational trail riding. Known for its robust engineering and reliable performance, this model offers a blend of comfort and utility, making it a popular choice in its class. The Sportsman line, with its emphasis on independent rear suspension and practical features, has a strong heritage within powersports history, consistently delivering on its promise of durability and user-friendliness for demanding environments. This workshop repair service manual provides comprehensive guidance for the 2009 Sportsman 400 HO, covering all models, engines, and trims. Within its pages, you will find detailed information on scheduled maintenance, fluid specifications, and replacement procedures for all major systems, including the powertrain, chassis, and electrical components. The manual also offers in-depth troubleshooting steps, diagnostic procedures, and complete repair instructions for everything from basic upkeep to full engine and transmission overhauls, empowering owners and technicians to maintain and repair the vehicle effectively. 🏷️ Basic Information Identification Make: Polaris Model: Sportsman 400 HO Year: 2009 Product Type: Workshop Repair Service Manual Product Format: PDF Download Codes Oem Manual Code Indication: Assumed to be an OEM-derived or equivalent quality manual 👋 Introduction Market Position Category: All-Terrain Vehicle (ATV), Utility ATV Target Audience: Owners, technicians, mechanics, DIY enthusiasts performing maintenance and repairs. Competitive Analysis Key Competitors 2009: Honda FourTrax series, Yamaha Grizzly series, Kawasaki Brute Force series, Can-Am Outlander series. Key Features Vehicle Purpose: Designed for off-road utility, work, and recreational trail riding. Manual Value Proposition: Empowers owners and technicians with the knowledge to maintain, diagnose, and repair the 2009 Sportsman 400 HO, saving time and money. 📋 Manual Details Coverage Areas Vehicle Coverage: All Models/Engines/Trims of the 2009 Polaris Sportsman 400 HO Page Count Estimated Page Count: Refer to specific manual for exact count, typically 300-600 pages for this type of comprehensive manual. Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Digital Format: PDF (Portable Document Format) 📖 Manual Coverage Systems Covered Powertrain: Engine, fuel system, exhaust system, transmission (PVT), driveline, differentials. Chassis: Suspension (front and rear), steering, brakes, wheels, tires, frame. Electrical: Ignition system, charging system, lighting, starting system, instrumentation, wiring diagrams, accessory circuits. Body And Trim: Body panels, plastics, seat, storage compartments, guards. Procedures Included Maintenance: Scheduled maintenance checks, fluid changes, lubrication, filter replacements, battery maintenance. Troubleshooting: Diagnostic procedures for common and uncommon problems, fault code interpretation (if applicable). Repair: Step-by-step repair instructions for all major mechanical and electrical components, including disassembly, inspection, repair, and reassembly. Overhaul Rebuild: Complete engine rebuild procedures, transmission overhaul, suspension component replacement. Technical Depth Depth: Comprehensive. Covers basic maintenance to complete engine and transmission rebuilds. Includes detailed specifications, torque values, and diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Searchable Text: Typically yes, for PDF downloads, allowing quick access to information. Print Quality Printability: High resolution, designed for clear printing of text and diagrams. Binding Type Binding: N/A (Digital Download - PDF) Paper Type Paper Quality: N/A (Digital Download - PDF) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, 1-cylinder Displacement: 375cc (Approximate, varies slightly with bore/stroke specification) Bore X Stroke: Refer to manual for exact specifications (e.g., 84.5mm x 67mm) Performance Horsepower: Refer to manual for exact dyno-tested figures, typically in the 25-30 HP range. Torque: Refer to manual for specific torque curve and peak values. Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) or Carbureted (Verify specific model for 2009 400 HO, likely EFI). Cooling System Cooling Method: Liquid-cooled Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) Lubrication Oil Type: SAE 5W-50 Synthetic (Verify with manual for specific Polaris recommendations) Oil Capacity: Refer to manual for exact capacity with filter change (e.g., ~2.1 L / 2.2 Quarts) 🔧 Transmission Standard Transmission Type: Automatic PVT (Polaris Variable Transmission) with Engine Braking Drive System: 2WD/4WD Lockable, Shaft Drive Optional Optional Transmission: N/A for 2009 Sportsman 400 HO Features Gearing: High, Low, Neutral, Reverse, Park Fluid Specifications Pvt Fluid Type: Polaris Angle Drive Fluid (for front differential) and specific PVT fluid/gear oil for rear differential. Refer to manual for exact part numbers and specifications. 📐 Dimensions Exterior Length: Refer to manual for exact dimensions (e.g., ~207 cm / 81.5 in) Width: Refer to manual for exact dimensions (e.g., ~110 cm / 43.25 in) Height: Refer to manual for exact dimensions (e.g., ~122 cm / 48 in) Cargo Front Rack Capacity: Refer to manual for exact capacity (e.g., 90 kg / 200 lbs) Rear Rack Capacity: Refer to manual for exact capacity (e.g., 181 kg / 400 lbs) Weights Dry Weight: Refer to manual for exact weight (e.g., ~290 kg / 639 lbs) Towing Capacity: Refer to manual for exact capacity (e.g., 657 kg / 1450 lbs) Ground Clearance: Refer to manual for exact specification (e.g., 28 cm /...