This manual covers the 2012-2013 Sportsman 400 EFI Forest Tractor, a versatile utility All-Terrain Vehicle designed for farmers, ranchers, property owners, and hunters. Known for its robust chassis, Electronic Fuel Injection (EFI) for reliable starting and performance, and On-Demand All-Wheel Drive (AWD) capability, this model offers a balance of power and efficiency. With a 397 cc liquid-cooled engine, an Automatic PVT transmission, and substantial towing and cargo capacity, it is engineered for demanding work and recreational use, providing a comfortable riding position and excellent off-road capability. This comprehensive service and repair manual provides detailed guidance for all components and systems of the 2012-2013 Sportsman 400 EFI Forest Tractor. It encompasses routine maintenance procedures, in-depth troubleshooting steps for common issues, and complete engine and transmission overhaul instructions. Coverage extends to the fuel system, drivetrain, brakes, electrical systems, steering, suspension, and chassis, including high-resolution diagrams and text-searchable content. This manual is an essential resource for owners, mechanics, and technicians seeking to maintain, diagnose, and repair the vehicle effectively. 🏷️ Basic Information Identification Make: Polaris Model: Sportsman 400 EFI Forest Tractor Year: 2012-2013 Trim Level: Forest Tractor Platform: Polaris Sportsman Codes Chassis Code: Not Specified Engine Code: Not Specified (EFI System) 👋 Introduction Market Position Category: Utility All-Terrain Vehicle (ATV) / Farm Tractor Target User: Farmers, ranchers, property owners, hunters, recreational riders requiring utility and hauling capability. Competitive Analysis Competitors: John Deere Gator, Can-Am Defender, Yamaha Viking, Kawasaki Mule. Key Features Features: Electronic Fuel Injection (EFI) for reliable starting and performance, robust chassis designed for utility work, AWD capability, comfortable riding position, ample towing and cargo capacity. 📋 Manual Details Coverage Areas Coverage: All components and systems for 2012-2013 Polaris Sportsman 400 EFI Forest Tractor Page Count Pages: Estimated 800+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Downloadable Digital Format (PDF) 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, including disassembly, inspection, reassembly, torque specifications, valve adjustments, cooling system, lubrication system. Fuel System: EFI system diagnostics, fuel pump, injectors, fuel filter, throttle body, fuel pressure regulator. Transmission: PVT (Polaris Variable Transmission) service, belt replacement, clutch inspection and adjustment, gearcase service, lubrication. Drivetrain: All-Wheel Drive (AWD) system, front and rear differentials, driveshafts, CV joints, prop shafts. Brakes: Hydraulic brake system, master cylinder, calipers, brake pads, brake fluid flush and bleeding, parking brake. Electrical: Battery, charging system (stator, rectifier/regulator), starter motor, ignition system, lighting, EFI control unit, wiring diagrams, diagnostic codes. Steering: Handlebar steering, tie rods, steering mechanism, EPS (Electronic Power Steering) if equipped, troubleshooting. Suspension: Front and rear suspension, shock absorbers, control arms, bushings, springs, wheel alignment. Chassis And Body: Frame inspection, body panels, racks, seat, fenders, troubleshooting of rattles and vibrations. Cooling System: Radiator, cooling fan, coolant hoses, thermostat, coolant specifications. Lubrication: Engine oil, gearcase oil, AWD oil, grease points, fluid capacities. Procedures Included Routine Maintenance: Oil change, filter replacement, spark plug replacement, air filter cleaning/replacement, lubrication points, tire pressure checks. Troubleshooting: Diagnostic procedures for common starting issues, performance problems, electrical faults, and EFI system errors with guided steps. Engine Repair: Detailed step-by-step instructions for engine disassembly, component inspection, wear limits, piston and cylinder ring replacement, valve seat grinding, and engine rebuild. Transmission Repair: PVT belt inspection and replacement, clutch service, gearcase disassembly and repair, seal replacement. Brake Maintenance: Brake pad replacement, brake fluid flush and bleeding procedures, caliper maintenance. Electrical Diagnostics: Troubleshooting charging system issues, starter problems, lighting faults, and interpretation of diagnostic trouble codes (DTCs). Suspension And Steering Service: Replacement of ball joints, tie rod ends, control arm bushings, shock absorber service, and basic alignment checks. Technical Depth Depth: Comprehensive; covers from basic maintenance to advanced engine and transmission rebuilds, electrical diagnostics, and EFI system troubleshooting. 📊 Manual Specifications File Format Format: PDF (Portable Document Format) Searchability: Text-searchable for quick information retrieval Resolution: High-resolution images and diagrams Print Quality Quality: Optimized for printing, clear legible text and diagrams Binding Type Binding: Digital Download (Not a physical product) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Type: 4-Stroke, SOHC, 2-Valve, Single Cylinder Displacement: 397 cc Bore X Stroke: 80 mm x 78 mm Cooling System: Liquid-Cooled Ignition: CDI (Capacitor Discharge Ignition) with Electronic Advance Performance Horsepower: Approx. 28-30 HP (Manufacturer estimates vary, actual output may differ) Torque: Not explicitly stated, but designed for low-end pulling power. Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with throttle body Fuel Type: Unleaded Gasoline (91 octane or higher recommended) Fuel Tank Capacity: 4.0 U.S. gal (15.1 L) 🔧 Transmission Standard Type: Polaris Automatic PVT (Polaris Variable Transmission) Gear Selection: High, Low, Neutral, Reverse, Park Features Drive System: On-Demand AWD (All-Wheel Drive) with 2WD/AWD selectable Final Drive: Sealed, single-stage final drive with high-clearance output shafts Clutch Type: Primary and Secondary Sheaves with Drive Belt 📐 Dimensions Exterior Length: 81 in (205.7 cm) Width: 45.2 in (114.8 cm) Height:...