The 2009 Sportsman 400 is a capable all-terrain vehicle (ATV) designed for recreational riders, hunters, and light agricultural use. As a mid-generation update, it builds upon the renowned comfort, utility, and capability of the Sportsman line. This model features a reliable 375cc, 4-stroke, liquid-cooled engine, a Variable Transmission (PVT) with engine braking, and an on-demand all-wheel-drive system for enhanced traction. Its independent front suspension and dual A-arm rear suspension, coupled with front and rear racks for cargo, make it a versatile machine for various tasks and terrains. This comprehensive Service Repair Manual provides essential information for the maintenance and repair of the 2009 Sportsman 400. It covers a wide range of systems, including the engine, transmission, drivetrain, suspension, brakes, and electrical systems. Detailed procedures for routine maintenance, troubleshooting common issues, and complete component overhauls are included. The manual also contains technical specifications, fluid recommendations, and wiring diagrams, empowering owners and technicians to effectively service and maintain their vehicle, ensuring optimal performance and longevity. 🏷️ Basic Information Identification Make: Polaris Model: Sportsman 400 Year: 2009 Vehicle Type: ATV (All-Terrain Vehicle) Generation Generation Identifier: Mid-generation update for the 400 Sportsman line Codes Vin Code: Typically starts with 188... 👋 Introduction Market Position Segment: Entry-to-mid-level utility ATV segment Target Audience: Recreational riders, hunters, light agricultural use Competitive Analysis Key Competitors: Yamaha Grizzly 350/450, Honda Foreman 400/450, Kawasaki Brute Force 300/400 Key Features Powertrain: Known for its reliable, liquid-cooled, carbureted engine and Polaris's capable AWD system. Suspension: Independent front suspension with MacPherson struts, and a dual A-arm rear suspension (specifics may vary slightly by sub-model). Utility: Designed for versatility with front and rear racks for cargo carrying. Manual Value Proposition: Provides essential information for maintaining and repairing the 2009 Sportsman 400, empowering owners to perform service and reduce reliance on costly dealer repairs. 📋 Manual Details Coverage Areas Primary Focus: Service and repair procedures Vehicle Variants Covered: Standard Polaris Sportsman 400 models for the 2009 model year Page Count Estimated Page Count: Approximately 300-400 pages (typical for comprehensive service manuals) Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, diagnostics, lubrication, cooling, fuel delivery, ignition, starting, charging Transmission: PVT (Polaris Variable Transmission) belt replacement, clutch inspection, gearbox maintenance, final drive Drivetrain: All-wheel drive system (AWD), driveshafts, CV joints, differential maintenance Suspension: Front and rear suspension components, shock absorbers, bushings, bearings, steering linkage Brakes: Hydraulic brake system, brake pads, rotors, calipers, master cylinder, bleeding procedures Electrical: Wiring diagrams, battery, starter, alternator, lighting system, ignition switch, fuses, relays, accessories Fuel System: Carburetor adjustment/cleaning, fuel pump, fuel lines, fuel filter Body And Frame: Body panel removal/installation, chassis components, racks, guards Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug service, air filter cleaning/replacement, lubrication points Troubleshooting: Diagnostic charts, common problem identification, step-by-step diagnostic procedures Repair: Detailed disassembly and reassembly instructions for all major components and systems Adjustment: Carburetor, throttle cable, brake levers, suspension settings Technical Depth Depth: Comprehensive, suitable for professional technicians and experienced DIY mechanics. Includes detailed specifications and torque values. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Likely text-searchable for efficient information retrieval Printability: Printable for workshop use Print Quality Image Resolution: Typically high resolution for clear diagrams and illustrations Binding Type Binding: N/A (Digital PDF format) Paper Type Paper: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, liquid-cooled, SOHC Engine Displacement: 375cc (approximate) Bore X Stroke: Specifications typically detailed in manual (e.g., 84mm x 68mm) Cylinders: 1 (Single-cylinder) Valvetrain: SOHC (Single Overhead Cam) Performance Horsepower: Estimated 20-25 HP (specific dyno figures vary, manual will provide official specs) Torque: Specifications typically detailed in manual Fuel System Fuel Delivery: Carburetor (likely Mikuni or Keihin, specific model in manual) Fuel Type: Unleaded gasoline, 87 octane recommended Fuel Tank Capacity: Approximately 3.25 US gallons (12.3 liters) 🔧 Transmission Standard Transmission Type: Automatic PVT (Polaris Variable Transmission) with Engine Braking Drive Modes: High, Low, Neutral, Reverse, Park Clutch: Primary and secondary clutch system with belt drive Features Engine Braking: Integrated engine braking for downhill control Gear Reduction: Yes, for low-range operation 📐 Dimensions Exterior Length: Approximately 82 inches (208.3 cm) Width: Approximately 46 inches (116.8 cm) Height: Approximately 48 inches (121.9 cm) Wheelbase: Approximately 50.5 inches (128.3 cm) Ground Clearance: Approximately 11 inches (27.9 cm) Cargo Front Rack Capacity: Typically 50 lbs (22.7 kg) Rear Rack Capacity: Typically 100 lbs (45.4 kg) Weights Dry Weight: Approximately 567 lbs (257.2 kg) Towing Capacity: Typically 1,500 lbs (680.4 kg) Gcvwr: Specifications detailed in manual 🛡️ Safety Features Ratings Crash Test Ratings: Not applicable for ATVs in the same way as passenger vehicles; focus is on structural integrity and safe operation. Active Features AWD System: On-Demand AWD for enhanced traction Braking System: Hydraulic disc brakes on all wheels Passive Features...