🏷️ Basic Information Identification Make: Polaris Model: Sportsman 400 HO Model Variant: High Output (HO) Year: 2012-2013 Vehicle Type: ATV (All-Terrain Vehicle) 👋 Introduction Market Position Positioning: The Polaris Sportsman 400 HO is positioned as a versatile and capable mid-size ATV, offering a balance of power, comfort, and utility for recreational riders and light-duty farm/ranch work. Competitive Analysis Competitors: Competes with models from Honda (e.g., Rancher), Yamaha (e.g., Kodiak), Can-Am (e.g., Outlander L), and Arctic Cat (e.g., Alterra). Key Features Features: Independent Rear Suspension (IRS), On-Demand All-Wheel Drive (AWD), Electronic Fuel Injection (EFI) on later models (ensure model specific check), powerful HO engine, comfortable seating, ample rack capacity. Manual Value Proposition Value: This comprehensive workshop manual provides DIY mechanics and professional technicians with the essential information to maintain, diagnose, and repair the Polaris Sportsman 400 HO 2012-2013 models, saving time and money. 📋 Manual Details Coverage Areas Primary Coverage: North America Secondary Coverage: Global markets where Polaris is sold Page Count Total Pages: 432 Manual Type Type: Workshop Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, diagnostics, component testing, specifications Fuel System: Fuel pump, injectors, throttle body, fuel lines, fuel tank, carburetor (if applicable to specific sub-models) Ignition System: Ignition coil, spark plugs, ECU, wiring diagrams Transmission: PVT (Polaris Variable Transmission) operation, clutch maintenance, belt replacement, lubrication Drivetrain: AWD system, differentials (front and rear), driveshafts, CV joints, wheel bearings Brakes: Hydraulic brake system, calipers, master cylinder, brake lines, pads, rotors, bleeding procedures Suspension: Front and rear suspension components, shocks, springs, control arms, bushings, alignment Steering: Handlebars, steering stem, tie rods, steering linkage, steering wheel (if applicable), power steering system (if equipped) Electrical System: Battery, charging system, starter motor, lighting, switches, fuses, relays, wiring diagrams, ECU diagnostics Body And Frame: Body panels, fenders, racks, seat, frame inspection and repair Cooling System: Radiator, fan, coolant, thermostat, hoses Exhaust System: Muffler, exhaust pipe, heat shields Procedures Included Maintenance: Oil changes, filter replacements, lubrication points, tire pressure checks, belt inspection Troubleshooting: Systematic diagnostic procedures for common and uncommon faults, fault code interpretation Repair: Detailed step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly Rebuilding: Comprehensive instructions for engine and transmission rebuilding Installation: Instructions for installation of accessories and replacement parts Technical Depth Depth: Complete coverage from basic maintenance to advanced diagnostics and complete engine/transmission overhaul Detail Level: Includes detailed torque specifications, clearances, and diagnostic parameters Schematics: Includes detailed electrical wiring diagrams and hydraulic schematics 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable, enhancing usability Print Quality Quality: High-resolution digital reproduction Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Family: Polaris ProStar (4-stroke SOHC) Engine Type: 4-stroke, Liquid-Cooled, DOHC, 4-valve, Single Cylinder Displacement: Approximately 325cc to 455cc depending on specific engine variant within the HO designation for this period. Bore X Stroke: Refer to manual for precise specifications, typically around 85mm x 80mm for similar displacement engines. Compression Ratio: Refer to manual, typically around 10.0:1 to 11.0:1. Cooling Method: Liquid-Cooled Performance Horsepower: Estimated 25-30 HP (varies by year and exact model configuration, consult manual for definitive figures). Torque: Refer to manual for specific torque figures. Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) or Carbureted (confirm for specific sub-model and year from manual) Fuel Type: Unleaded gasoline, minimum 87 octane Fuel Tank Capacity: Approximately 3.25 US gallons (12.3 L) Lubrication Oil Type: SAE 10W-40 Synthetic (confirm specific API rating and JASO standard from manual) Oil Capacity: Approximately 2.0 US quarts (1.9 L) with filter change (verify in manual) 🔧 Transmission Standard Transmission Type: Polaris Variable Transmission (PVT) with Engine Braking (EB) Gear Selection: High, Low, Neutral, Reverse, Park Features Clutch System: Primary and secondary clutch system (belt-driven) Drive System: Shaft Drive, On-Demand AWD Fluid Type Transmission Fluid: SAE 10W-40 Synthetic (verify specific Polaris specifications in manual) Final Drive Fluid Type: Polaris Demand Drive Fluid or equivalent (verify in manual) Fluid Capacity Final Drive Fluid Capacity: Approximately 0.25 L (Front Gearcase), 0.25 L (Rear Gearcase) - verify in manual. 📐 Dimensions Exterior Length: Approx. 83 inches (210.8 cm) Width: Approx. 46 inches (116.8 cm) Height: Approx. 47 inches (119.4 cm) Wheelbase: Approx. 50.5 inches (128.3 cm) Cargo Front Rack Capacity: Approx. 100 lbs (45 kg) Rear Rack Capacity: Approx. 200 lbs (90 kg) Weights Dry Weight: Approx. 620 lbs (281 kg) Towing Capacity: 1500 lbs (680 kg) Payload Capacity: N/A (typically refers to rider and cargo) Tires Front Tire Size: AT 25 x 8-12 Rear Tire Size: AT 25 x 10-12 Wheels Wheel Size: 12 inch Ground Clearance Ground Clearance: Approx. 11.25 inches (28.6 cm) 🛡️ Safety Features Ratings Safety Certifications: EPA emissions compliant (refer to manual for specific country regulations). Active Features Active Safety: On-Demand AWD, engine...