🏷️ Basic Information Identification Make: Polaris Model: Sportsman 400 HO Year: 2012, 2013 Product Type: Workshop Service Manual 👋 Introduction Market Position Segment: Mid-size All-Terrain Vehicle (ATV) Competitive Analysis Key Competitors: Yamaha Grizzly 450, Can-Am Outlander 400, Arctic Cat 400 TRV. Key Features Target Audience: Recreational riders, utility users, farm operators seeking a reliable and capable ATV. Versatility: Suitable for trail riding, hunting, farming, and light work tasks. 📋 Manual Details Coverage Areas Primary Coverage: Mechanical Technicians Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Service: Complete engine overhaul, diagnosis, disassembly, assembly, component testing, timing, valve adjustments. Fuel System: Fuel pump, carburetor/fuel injection system, fuel lines, fuel filter replacement, troubleshooting. Ignition System: Spark plugs, ignition coils, CDI unit, wiring diagrams, troubleshooting. Cooling System: Radiator, hoses, thermostat, coolant flush and fill, fan operation, troubleshooting. Transmission Drivetrain: Automatic transmission service, clutch operation, drive shafts, CV joints, differential service (front and rear), gearcase maintenance. Suspension Steering: Front and rear suspension component inspection and replacement (shocks, springs, A-arms), wheel bearings, steering linkage, tie rods, alignment procedures. Braking System: Hydraulic brake system service, master cylinder, brake lines, calipers, brake pads, brake fluid flush and bleeding, parking brake adjustment. Electrical System: Battery, charging system, starter motor, lighting, accessory wiring, electrical component testing, wiring diagrams, troubleshooting electrical faults. Body Chassis: Frame inspection, body panel removal and installation, seat removal, cargo rack service, plastics repair. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication points, tire pressure checks, chain adjustments (if applicable), spark plug replacement, air filter service. Troubleshooting: Diagnostic procedures for common malfunctions, fault code interpretation (if applicable), systematic problem-solving steps. Repair Procedures: Step-by-step instructions for component replacement, assembly, and adjustment for all covered systems. Technical Depth Depth Of Information: Comprehensive; covers everything from basic owner maintenance to complete engine and transmission rebuilds. Includes detailed diagnostic information. 📊 Manual Specifications File Format File Type: PDF Searchable Text: Likely searchable text within the PDF for efficient information retrieval. Print Quality Printability: Designed for printing, allowing users to create physical copies of sections or the entire manual. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, 1-cylinder Displacement: 375cc Bore X Stroke: 85 mm x 66 mm Cooling System: Liquid-cooled Performance Horsepower: Approximately 29-30 HP (specific rating varies slightly by year and tuning) Torque: Approximately 22-23 lb-ft (specific rating varies) Fuel System Fuel Delivery: Carburetor (likely Mikuni BSR42, but confirmation needed in manual) Fuel Type: Unleaded gasoline (minimum 87 octane recommended) Lubrication Oil Type: SAE 10W-40 Synthetic ATV specific engine oil Oil Capacity: Approximately 1.8 liters (check manual for exact capacity with filter change) 🔧 Transmission Standard Transmission Type: Automatic (Polaris PVT - Primary Variable Transmission) Optional Gear Selection: High (H), Low (L), Neutral (N), Reverse (R), Park (P). Features Drive System: On-Demand AWD (All-Wheel Drive) with 2WD/4WD selector. Gear Reduction: Integrated low-range gearing for enhanced pulling power and crawling. Fluids Transmission Fluid Type: Polaris Synthetic Gearcase Lube or equivalent API GL-4, SAE 75W-90 (check manual for specific part number and recommendations) 📐 Dimensions Exterior Length: Approximately 81.1 inches (2060 mm) Width: Approximately 46 inches (1168 mm) Height: Approximately 47.6 inches (1209 mm) Wheelbase: Approximately 50.5 inches (1283 mm) Weights Dry Weight: Approximately 675 lbs (306 kg) Ground Clearance: Approximately 10.25 inches (260 mm) Cargo Front Rack Capacity: Approximately 90 lbs (41 kg) Rear Rack Capacity: Approximately 200 lbs (90 kg) Towing Towing Capacity: 1,050 lbs (476 kg) Wheels Tires Front Tire Size: 25 x 8-12 Rear Tire Size: 25 x 10-12 Wheel Bolt Pattern: 4/110 🛡️ Safety Features Ratings Atv Safety Standards: Complies with ANSI standards for recreational off-highway vehicles. Active Features Braking System Type: Hydraulic disc brakes front and rear. Engine Braking: Integrated engine braking via the PVT system for downhill control. Passive Features Handlebar Design: Comfortable ergonomic handlebars with integrated handguards for protection. Lighting: Dual 50W headlights, 25/80W brake/tail light. 💡 Technology Features Infotainment Instrumentation: Digital odometer, trip meter, speedometer, tachometer, fuel gauge, clock, AWD indicator, transmission gear indicator, 12V outlet. Driver Assistance Braking Assistance: Integrated engine braking. Connectivity Charging Port: Standard 12V DC accessory outlet for charging electronics. 🔧 Maintenance Service Intervals Engine Oil Change: Every 100 hours or 12 months (whichever comes first). Air Filter Cleaning: Every 25 hours or as needed, inspect more frequently in dusty conditions. Spark Plug Replacement: Recommended every 100 hours or 12 months. Transmission Oil Change: Every 200 hours or 24 months. Coolant Flush And Refill: Every 2 years. Fluid Specifications Engine Oil Specification: Polaris Synthetic 10W-40 ATV Oil or equivalent API SG/SH/SJ. Coolant Type: Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio recommended). Brake Fluid Type: DOT 3 or DOT 4 hydraulic brake fluid. Known Issues Pvt Belt Wear: Like many CVTs, the drive belt can wear over time...