🏷️ Basic Information Identification Make: Polaris Model: Sportsman 400 HO Model Year: 2012-2013 Platform: Polaris Sportsman Codes Engine Code: 4-stroke, SOHC, 4-valve, 375cc (specific code may vary by sub-model/region, but 375cc is the identifier) 👋 Introduction Market Position Segment: Mid-size Utility ATV Target Audience: Recreational riders, farmers, hunters, trail enthusiasts seeking a capable and reliable ATV Competitive Analysis Key Competitors: Honda Foreman, Yamaha Kodiak, Suzuki King Quad, Kawasaki Brute Force (similar displacement classes) Key Features Power Delivery: Known for its smooth and responsive power delivery from the 400 HO engine. Handling Ride Comfort: Independent Front Suspension (IFS) and MacPherson strut front suspension contribute to good ride quality and handling over varied terrain. Versatility: Suitable for a range of tasks from trail riding to light utility work, with ample rack capacity. Durability Reliability: Polaris Sportsman line is generally regarded for its robust build and durability. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Manual / Repair Manual Language: English Format: PDF Download Page Count Estimated Page Count: Likely 300-500+ pages (typical for comprehensive service manuals, specific count not provided in product info) 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, top-end and bottom-end procedures, valve adjustment, piston and cylinder diagnosis, lubrication system, cooling system (liquid-cooled) Fuel System: Fuel injection system (EFI), throttle body, fuel pump, fuel filter replacement, pressure testing, injector diagnosis Transmission: PVT (Polaris Variable Transmission) system, belt inspection and replacement, clutch maintenance (primary and secondary), gear case lubrication and service Drivetrain: AWD system, front differential, rear differential, driveshafts, universal joints, CV boots inspection and replacement Suspension: Front and rear suspension components, shock absorber adjustment and replacement, control arm inspection, ball joint service, bushings Brakes: Hydraulic braking system, front and rear disc brakes, brake pad replacement, caliper service, brake fluid flush and replacement, master cylinder Electrical System: Wiring diagrams, battery maintenance, charging system (stator, regulator/rectifier), starter motor, lighting system, ignition system, sensors (TPS, MAP, etc.) Steering: Steering column, tie rods, steering linkage, power steering system (if applicable, check specific sub-model for EPS) Body And Chassis: Frame inspection and repair, body panel removal and installation, seat removal, rack and fender components Cooling System: Radiator, fan, thermostat, coolant hoses, bleeding procedures Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, air filter cleaning/replacement, lubrication points, battery checks Diagnostic Troubleshooting: Step-by-step troubleshooting guides for common and uncommon issues, fault code interpretation (if applicable via diagnostic tool) Major Repairs: Complete engine rebuilds, transmission overhauls, differential repairs, suspension component replacement Component Disassembly Reassembly: Detailed instructions for removing, inspecting, repairing, and reinstalling all major and minor components Torquing Specifications: Precise torque values for all critical fasteners Wiring Diagrams: Comprehensive electrical schematics for all systems Special Tools: Identification and usage instructions for specialized tools required for certain procedures Technical Depth Diagnostic Capabilities: Advanced diagnostic procedures, symptom-based troubleshooting, testing of sensors and actuators Rebuild Procedures: Full engine, transmission, and differential rebuild instructions with detailed component specifications and clearances Customization Modifications: May include some information or considerations for common modifications, but primarily focused on stock repair. 📊 Manual Specifications File Format File Type: PDF (.pdf) Searchability: Likely text-searchable PDF, allowing for quick keyword lookups Printability: Printable, allowing users to create physical copies of specific sections or the entire manual Print Quality Image Resolution: High-resolution images and diagrams suitable for viewing on screen and for printing. Binding Type Binding: N/A (Digital PDF download) Paper Type Paper Type: N/A (Digital PDF download) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, Single Cylinder, Liquid-Cooled, SOHC, 4-Valve Displacement: 375cc Bore X Stroke: 78 mm x 75.6 mm (typical for this engine family) Compression Ratio: 10.2:1 (typical) Performance Horsepower: Approximately 25-30 HP (claimed figures vary slightly, but this is the general range for the 400 HO) Torque: Around 23-25 lb-ft (estimated) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline, Octane Rating 87 minimum Throttle Control: Electronic Throttle Control (ETC) on some later models, but typically cable-actuated for 2012-2013 400 HO. 🔧 Transmission Standard Type: Automatic Polaris Variable Transmission (PVT) with Engine Braking Gear Selection: High, Low, Neutral, Reverse, Park Drive System: On-Demand All-Wheel Drive (AWD) / 2WD selectable Features Clutch System: Roller sheave technology for smooth engagement and belt longevity. Gear Reduction: Integrated into the PVT system and gearcase for optimal torque delivery. 📐 Dimensions Exterior Length: 81.5 in (207 cm) Width: 46 in (117 cm) Height: 48 in (122 cm) Wheelbase: 50.5 in (128 cm) Ground Clearance: 11.25 in (28.5 cm) Weights Dry Weight: 600 lbs (272 kg) Gvwr: 1050 lbs (476 kg) Towing Capacity: 1050 lbs (476 kg) Rack Capacity Front: 50 lbs (22.7 kg) Rack Capacity Rear: 100 lbs (45 kg) Cargo Fuel Capacity: 3.3 gal (12.5 L) 🛡️ Safety Features Ratings Atv Safety Certification: Meets ANSI standards for ATVs. (Note: Not road-legal unless modified and registered for street use.) Active Features Braking...