This manual covers the 2009 Sportsman 400 All-Terrain Vehicle (ATV). The Sportsman 400 is recognized for its balanced performance, offering a blend of power and utility suitable for both recreational trail riding and demanding work tasks. Engineered with a reliable 4-stroke, SOHC, liquid-cooled engine, it delivers consistent performance across varied terrains. Key features include a comfortable rider position, robust chassis, selectable 2WD/4WD, and an automatic Variable Transmission (PVT) with Engine Braking System (EBS). Its design emphasizes durability and rider comfort, making it a capable and versatile machine in the mid-range ATV market. This comprehensive workshop repair service manual provides detailed information for all 2009 Sportsman 400 models, including all engines, trims, and transmissions. It covers essential areas such as engine and transmission systems, chassis components, electrical systems, fuel, cooling, and exhaust systems, as well as body and trim. The manual includes step-by-step procedures for scheduled maintenance, diagnostics, troubleshooting, and repairs, alongside critical technical specifications like torque values and fluid capacities. This resource is designed to assist owners, mechanics, and technicians in maintaining the optimal performance and longevity of their vehicle. 🏷️ Basic Information Identification Make: Polaris Model: Sportsman 400 Year: 2009 Vehicle Type: All-Terrain Vehicle (ATV) Codes Model Code: Refer to specific VIN or model designation for exact code 👋 Introduction Market Position Positioning: The Polaris Sportsman 400 was a popular mid-range ATV, offering a balance of power, versatility, and value for recreational and utility use. Competitive Analysis Competitors: Competed with models from brands like Yamaha (Grizzly 400), Arctic Cat (400 DVX), and Can-Am (Outlander 400). Key Features Features: Known for its comfortable rider position, reliable engine, and robust chassis, making it suitable for various terrains. 📋 Manual Details Coverage Areas Covered Models: All 2009 Polaris Sportsman 400 models, engines, trims, and transmissions Page Count Estimated Pages: High (typically 400-600+ pages for comprehensive workshop manuals) Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Powertrain: Engine, transmission, drive train, differential, PTO Chassis: Suspension, steering, brakes, frame, sub-frame, wheels, tires Electrical: Ignition system, charging system, starting system, lighting, instrumentation, wiring diagrams Fuel System: Fuel tank, fuel pump, fuel lines, carburetor/fuel injection (if applicable) Cooling System: Radiator, fan, coolant lines, thermostat Exhaust System: Muffler, exhaust pipe, catalytic converter (if applicable) Body And Trim: Body panels, fenders, racks, seating Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, lubrication, tune-ups Troubleshooting: Diagnostic procedures, common fault identification, problem solving Repair: Component disassembly, reassembly, overhaul, replacement procedures Diagnostics: Engine diagnostics, electrical system testing, component failure analysis Specifications: Torque specifications, clearances, timing settings, fluid capacities Technical Depth Depth: Comprehensive (covers everything from basic maintenance to full engine rebuilds and system diagnostics) 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF for easy navigation Printability: Printable for physical reference Print Quality Quality: High-resolution scans, clear diagrams and text Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, 2-valve, liquid-cooled, single-cylinder Engine Displacement: 375cc to 400cc (exact displacement may vary slightly based on specific sub-model) Bore X Stroke: Refer to manual for precise dimensions (e.g., ~88mm x 64mm range) Performance Horsepower Estimate: Approximately 25-30 HP (Horsepower), subject to exact configuration and condition Torque Estimate: Approximately 24-28 lb-ft (Foot-Pounds), subject to exact configuration and condition Fuel System Fuel Delivery: Carburetor (likely Keihin CV type) or Electronic Fuel Injection (EFI) depending on specific variant Fuel Type: Unleaded Gasoline (Octane rating as specified in manual) Ignition Ignition System: CDI (Capacitor Discharge Ignition) Cooling System Cooling Method: Liquid-cooled 🔧 Transmission Standard Transmission Type: Automatic, PVT (Polaris Variable Transmission) with engine braking Optional Optional Transmissions: N/A for this model year (standard PVT) Features Drive Modes: 2WD/4WD selectable, Engine Braking System (EBS) Gear Selection: High, Low, Neutral, Reverse, Park Fluid Type Transmission Fluid: Polaris AGL Synthetic Gearcase Lubricant or equivalent (refer to manual for specific part number and viscosity) 📐 Dimensions Exterior Length: Approximately 83 in. (210.8 cm) Width: Approximately 46 in. (116.8 cm) Height: Approximately 47 in. (119.4 cm) Wheelbase: Approximately 50.5 in. (128.3 cm) Cargo Front Rack Capacity: Typically 100 lbs (45 kg) Rear Rack Capacity: Typically 200 lbs (90 kg) Weights Dry Weight Estimate: Approximately 590-610 lbs (268-277 kg) Ground Clearance: Approximately 10.5 in. (26.7 cm) Towing Towing Capacity: Typically 1,100 lbs (499 kg) Hitch Type: Standard 2-inch receiver (check manual for specifics) 🛡️ Safety Features Ratings Safety Standards: Compliant with ANSI B71.1 (may vary by region and specific features) Active Features Braking System: Hydraulic disc brakes, front and rear Parking Brake: Parking brake integrated into transmission/shifter Passive Features Lighting: Dual headlights, taillight/brake light Ergonomics: Handlebar design with thumb throttle for control 💡 Technology Features Infotainment Instrumentation: Digital instrument cluster displaying speed, RPM, odometer, trip meter, 4WD indicator, fuel level, etc. Driver Assistance Engine Braking: Standard...