The 2009 Sportsman 400 is a versatile All-Terrain Vehicle (ATV) designed for both recreational riding and light utility tasks. Engineered for reliability and maneuverability, this model represents a strong offering in the entry-level to mid-range utility ATV segment. Its robust 376 cc, liquid-cooled, 4-stroke engine, coupled with an automatic Variable Transmission (PVT) and On-Demand All-Wheel Drive, provides capable performance across various terrains. With a focus on value for money and practical features, the Sportsman 400 is well-suited for enthusiasts and those requiring a dependable workhorse for outdoor activities. This comprehensive factory service manual provides complete workshop repair and maintenance information for the 2009 Sportsman 400. Covering all essential systems, including the engine, drivetrain, fuel, cooling, electrical, brakes, suspension, and steering, this manual details routine maintenance procedures, diagnostic troubleshooting, and component removal and installation. It also includes critical technical specifications and detailed diagrams necessary for accurate repairs and upkeep. This resource is invaluable for owners and technicians seeking to maintain the performance, reliability, and longevity of their Sportsman 400 ATV. 🏷️ Basic Information Identification Make: Polaris Model: Sportsman 400 Year: 2009 Vehicle Type: ATV (All-Terrain Vehicle) 👋 Introduction Market Position Segment: Entry-level to mid-range utility ATV segment Target Audience: Recreational riders, light utility users, DIY mechanics Competitive Analysis Competitors: Honda Foreman 400, Yamaha Kodiak 400, Suzuki King Quad 400 Key Features Vehicle Focus: Reliability, maneuverability, value for money Manual Value: Empowers owners and technicians with factory-level repair knowledge 📋 Manual Details Coverage Areas Primary Coverage: Complete Workshop Service and Repair Secondary Coverage: Maintenance, Diagnostics, Troubleshooting, Reassembly Page Count Estimated Pages: Hundreds (specific number not provided but described as complete) Manual Type Type: Factory Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete Engine Overhaul, Tuning, Repair Drivetrain: Transmission, Gearcase, Driveshafts, Differentials, AWD System Fuel System: Carburetor (if applicable), Fuel Pump, Lines, Tank, Fuel Injection (if equipped) Cooling System: Radiator, Fan, Thermostat, Hoses, Coolant Specifications Electrical System: Ignition, Charging System (Stator, Regulator/Rectifier), Starting System, Lighting, ECU Diagnostics, Wiring Diagrams Brakes: Hydraulic System, Calipers, Master Cylinder, Lines, Bleeding Procedures, Rotor Specifications Suspension: Front and Rear Suspension Components, Shock Absorbers, Bushings, Alignment Steering: Handlebars, Steering Column, Tie Rods, Steering Knuckles Bodywork And Chassis: Frame, Body Panels, Seat, Racks, Fender Maintenance Procedures Included Routine Maintenance: Oil Changes, Filter Replacements, Lubrication Points, Valve Adjustments Troubleshooting: Diagnostic Flowcharts, Symptom-Based Troubleshooting Guides Rebuild Procedures: Engine Rebuild, Transmission Rebuild, Suspension Component Replacement Component Removal Installation: Step-by-step instructions for removing and reinstalling all major components Specifications: Torque Specifications, Clearances, Measurements for all adjustable components Technical Depth Depth: Comprehensive from basic user maintenance to full mechanical overhauls Diagnostic Capability: Advanced diagnostics, including electrical troubleshooting and sensor testing Detail Level: Detailed diagrams, exploded views, and part identification 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable within the PDF, enabling quick navigation Print Quality Printability: Designed for complete printing or selective page printing Binding Type Binding: Not applicable (digital download) Paper Type Paper: Not applicable (digital download) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, Single-Cylinder Displacement: 376 cc Bore X Stroke: 83 mm x 70 mm Cooling System: Liquid-Cooled Valve Train: SOHC, 4 Valves Performance Horsepower: Approximately 27-29 HP (estimated, specific factory data may vary) Torque: Approximately 24-26 lb-ft (estimated, specific factory data may vary) Fuel System Fuel Delivery: Carbureted (Mikuni BSR34) Fuel Type: Unleaded Gasoline, 87 Octane Minimum Ignition Ignition System: Digital CDI Lubrication Oil Type: Polaris Premium 4 Synthetic 0W-40 (or equivalent SAE 0W-40 API SG/SH/SJ) Oil Capacity: 2.0 US qt (1.9 L) with filter change 🔧 Transmission Standard Transmission Type: Automatic (PVT - Polaris Variable Transmission) Drive System: Shaft Drive with On-Demand AWD (All-Wheel Drive) Gear Selection: High, Low, Neutral, Reverse, Park Features Clutch Type: Centrifugal Clutch and Drive/Driven Sheaves Gearcase Oil Type: SAE 80W-90 Hypoid Gear Lubricant Gearcase Oil Capacity: 0.36 US qt (0.34 L) 📐 Dimensions Exterior Length: 81 in (205.7 cm) Width: 46 in (116.8 cm) Height: 45 in (114.3 cm) Wheelbase: 50.1 in (127.3 cm) Ground Clearance: 11.25 in (28.6 cm) Cargo Front Rack Capacity: 100 lbs (45.4 kg) Rear Rack Capacity: 200 lbs (90.7 kg) Weights Dry Weight: 600 lbs (272.2 kg) Towing Capacity: 1,050 lbs (476.3 kg) Payload Capacity: 460 lbs (208.7 kg) Tires Front Tires: AT 25x8-12 Rear Tires: AT 25x10-12 Wheels Wheel Type: Steel Bolt Pattern: 4x110 mm 🛡️ Safety Features Ratings Atv Safety Standards: Compliant with ANSI/SVIA standards Active Features Braking System: Hydraulic Disc Brakes (Front and Rear) Parking Brake: Hand-operated caliper brake Passive Features Lighting: Dual 35W Halogen Front Headlights, 35W Halogen Tail/Brake Light Ergonomics: Handlebar design for control and comfort, accessible controls 💡 Technology Features Infotainment Infotainment System: Not applicable (basic utility ATV, no integrated infotainment) Driver Assistance Driver Assistance Features: Not applicable (basic utility ATV, no electronic driver aids) Connectivity Connectivity Options: Not applicable 🔧 Maintenance Service...