The 2009 Sportsman 300 and 400 are versatile all-terrain vehicles designed for recreational riders and light utility tasks. Building on a reputation for performance and durability, these models offer user-friendly operation and a capable On-Demand All-Wheel Drive system for enhanced traction. With comfortable ergonomics and a robust chassis, the Sportsman 300 and 400 are well-suited for various terrains, making them a reliable choice for farm use or trail riding. Their engineering emphasizes a balance of power, handling, and practicality within their class. This comprehensive 291-page English-language repair service manual provides detailed information for the maintenance, troubleshooting, and repair of the 2009 Sportsman 300/400. It covers all major systems, including complete engine and transmission overhaul procedures, drivetrain, suspension, brakes, and electrical systems. The manual includes scheduled maintenance guidelines, diagnostic flowcharts for common issues, and critical torque specifications. Its depth is suitable for professional technicians and experienced enthusiasts seeking to maintain or repair their vehicle effectively and safely. 🏷️ Basic Information Identification Make: Polaris Model: Sportsman 300 / 400 Year: 2009 Generation Generation Code: N/A Codes Vin Prefix: N/A 👋 Introduction Market Position Segment: Entry-level to mid-range All-Terrain Vehicle (ATV) / Utility Vehicle. Target Audience: Recreational riders, light utility work, farm use. Competitive Analysis Competitors: Honda Foreman, Yamaha Grizzly, Can-Am Outlander (lower displacement models). Key Features Features: Polaris's reputation for performance and durability, user-friendly operation, capable AWD system, comfortable ergonomics for its class. 📋 Manual Details Coverage Areas Comprehensive Coverage: Complete teardown and rebuild procedures, maintenance, troubleshooting, diagnostics, electrical systems, engine, transmission, chassis, bodywork. Page Count Number Of Pages: 291 Manual Type Type: Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, top-end rebuild, bottom-end rebuild, cooling system, lubrication system, fuel delivery system, ignition system, exhaust system. Transmission: Automatic transmission (PVT - Polaris Variable Transmission) operation, maintenance, service, and common issues. Drivetrain: All-Wheel Drive (AWD) system, front and rear differentials, driveshafts, CV joints, clutch system. Suspension And Steering: Front and rear suspension components (shocks, springs, control arms), steering linkage, wheel bearings, universal joints. Brakes: Hydraulic brake system, brake fluid specifications, caliper service, brake pad replacement, bleeding procedures. Electrical System: Wiring diagrams, battery, starter, charging system, lighting, ignition switch, ECU (Engine Control Unit) basics, accessory circuits. Body And Frame: Fenders, body panels, seat, handlebars, racks, chassis components, fastener torque specifications. Procedures Included Maintenance: Scheduled maintenance intervals, oil changes, filter replacements, spark plug service, lubrication points, battery maintenance. Troubleshooting: Diagnostic flowcharts for common starting, running, and operational issues. Symptom-based troubleshooting guides. Repair: Detailed step-by-step repair procedures for all major mechanical and electrical components, including complete engine and transmission rebuilds. Diagnostics: Information on diagnosing electrical faults, engine performance problems, and drivetrain issues. Technical Depth Depth: Comprehensive, suitable for professional technicians and experienced DIY enthusiasts. Covers complete disassembly and reassembly. 📊 Manual Specifications File Format File Type: PDF Searchable: Yes Print Quality Quality: High-resolution, clear images and diagrams. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Type: 4-stroke, liquid-cooled, SOHC Displacement 300: 271cc Displacement 400: 375cc Bore X Stroke 300: 71.5 mm x 68.6 mm Bore X Stroke 400: 83 mm x 69.5 mm Compression Ratio 300: 10.2:1 Compression Ratio 400: 9.7:1 Performance Horsepower 300: Approx. 21 HP Horsepower 400: Approx. 28 HP Torque 300: N/A (manual will specify) Torque 400: N/A (manual will specify) Fuel System Fuel Delivery: Carbureted (Keihin CVK) Carburetor Size 300: 30mm Carburetor Size 400: 34mm Fuel Type: Unleaded gasoline, 87 octane (minimum) Ignition Ignition Type: Electronic Ignition Cooling System Cooling Method: Liquid-cooled Oil And Lubrication Engine Oil Type: SAE 20W-50 Polaris 4-Stroke ATV Oil (or equivalent JASO MA certified) Engine Oil Capacity W Filter: 1.8 L (1.9 US qt) Final Drive Oil Type: Polaris HP Synthetic Gearcase Lube Final Drive Oil Capacity: 0.24 L (0.25 US qt) 🔧 Transmission Standard Type: Polaris Variable Transmission (PVT) Automatic Drive System: Shaft Drive, On-Demand All-Wheel Drive (AWD) Gear Selection: Park, Reverse, Neutral, Low, High Features Engine Braking: Integrated engine braking through PVT system Maintenance Pvt Belt Inspection Interval: Every 100 hours or annually Pvt Belt Replacement Criteria: Inspect for wear, cracking, fraying, or damage. Replace if width is reduced by 3mm or more. 📐 Dimensions Exterior Length: 81 inches (205.7 cm) Width: 46 inches (116.8 cm) Height: 45.5 inches (115.6 cm) Wheelbase: 50.5 inches (128.3 cm) Ground Clearance: 11.5 inches (29.2 cm) Cargo Front Rack Capacity: 25 lbs (11.3 kg) Rear Rack Capacity: 50 lbs (22.7 kg) Weights Dry Weight 300: 600 lbs (272 kg) Dry Weight 400: 605 lbs (274.4 kg) Towing Capacity: 1500 lbs (680 kg) Gvw: N/A (Manual will specify) Wheels And Tires Front Tire Size: 25 x 8-12 Rear Tire Size: 25 x 11-12 Wheel Type: Steel or Aluminum alloy Bolt Pattern: 4x110mm 🛡️ Safety Features Ratings Atv Safety Standards:...