Basic Information Identification Make: Polaris Model: Sportsman 300 / Sportsman 400 HO Year: 2009 Product Type: Service Repair Workshop Manual Product Format: PDF Download Generation Product Identifier: 2009 Polaris Sportsman 300 / Sportsman 400 Ho Service Repair Workshop Manual Introduction Market Position Target Audience: Polaris ATV owners, DIY mechanics, service technicians Competitive Analysis Manual Equivalence: Identical to dealer-issued service manuals Key Features Usability: Printable pages for workshop convenience Manual Details Coverage Areas Models Covered: 2009 Polaris Sportsman 300 2X4, 2009 Polaris Sportsman 300 4X4, 2009 Polaris Sportsman 400 4X4 HO Page Count Total Pages: 292 Manual Type Type: Service Repair Workshop Manual Language Language: English Format File Format: PDF Compatibility Operating Systems: All Versions of Windows & Mac Print Ability Print Restriction: Printable without any restriction Delivery Method Delivery: Download link on checkout page Requirements Software Requirement: Adobe PDF Reader Manual Coverage Systems Covered Primary Systems: General Information, Maintenance, Engine, Fuel System, Body, Steering, Suspension, CVT/Transmission, Final Drive, Brakes, Electrical, Wire Diagram Engine Specifics: Engine assembly, disassembly, valve adjustment, piston and ring replacement, cylinder head service, lubrication system, cooling system. Fuel System Specifics: Fuel pump, injectors, throttle body, fuel tank, fuel lines, fuel filter replacement. Drivetrain Specifics: CVT drive clutch and driven clutch service, belt replacement, gearcase maintenance, differential service, axle and CV joint inspection/replacement. Chassis Specifics: Frame inspection, steering system (tie rods, steering post), suspension (shocks, control arms, bushings), wheel bearings, tire pressures. Braking System Specifics: Brake caliper service, master cylinder overhaul, brake pad replacement, rotor inspection, brake line maintenance. Electrical System Specifics: Battery service, charging system (stator, regulator/rectifier), starting system (starter motor, solenoid), ignition system, lighting circuits, sensor diagnostics, ECU functions. Procedures Included Repair Procedures: Complete tear down and rebuild, maintenance, troubleshooting, repair, refurbishment, restoration Diagnostic Procedures: Troubleshooting charts, fault code interpretation (if applicable for EFI models), component testing procedures. Assembly Procedures: Step-by-step guides for major component reassembly with torque specifications. Maintenance Procedures: Scheduled maintenance tasks, lubrication points, adjustments. Technical Depth Depth: Comprehensive (dealer-level detail) Torque Specs Detail: Comprehensive torque values for all critical fasteners throughout the vehicle. Part Diagrams: Detailed exploded views of all major assemblies for part identification and reassembly reference. Wiring Diagrams: Complete, color-coded wiring schematics for accurate electrical diagnosis and repair. Content Features Visual Aids: Pictures and part diagrams Technical Data: Torque specifications Manual Specifications File Format Format: PDF Print Quality Print Ability: High-quality printable pages Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download - intended for print) Engine Specifications Primary Engine Engine Type 300: Likely a single-cylinder, liquid-cooled, four-stroke engine (specific displacement not provided, typical for 300cc class) Engine Type 400: Likely a single-cylinder, liquid-cooled, four-stroke, High Output (HO) engine (specific displacement not provided, typical for 400cc class) Performance Horsepower Output: Specific HP figures not provided, but expected to be in the ~20-30 HP range for the 300 and ~30-35 HP for the 400 HO class. Torque Output: Specific torque figures not provided, but expected to offer good low-end torque for off-road use. Fuel System Fuel Delivery: Likely Fuel Injection (EFI) for the 2009 models, though carburetor systems might be detailed for older or specific variants not explicitly stated. Manual will confirm. Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Optional Gearing: Forward, Neutral, Reverse (standard for Polaris ATVs of this era) Features Drive System: 2WD and 4WD options covered (indicated by model variants) Dimensions Exterior Wheelbase: Specific dimensions not provided in product info, but typical for a mid-size utility ATV. Weights Dry Weight: Specific weights not provided, but likely in the 600-700 lb range depending on 2WD/4WD. Safety Features Ratings Atv Classification: Utility ATV Active Features Braking System: Hydraulic disc brakes (front and rear) likely covered in detail. Passive Features Lighting: Headlights, taillights, brake lights covered under electrical section. Technology Features Infotainment Display Features: Information display typically includes odometer, trip meter, fuel gauge, 4WD indicator, and gear position. Manual will cover display function and troubleshooting. Driver Assistance Engine Management: EFI system diagnostics and parameter checks covered. Connectivity Electrical System: Detailed wiring diagrams are a key feature, allowing for diagnosis and repair of all electrical components and systems. Maintenance Service Intervals Routine Maintenance: Manual will detail recommended intervals for oil changes, filter replacements, chain/belt checks, and general inspections. (e.g., initial break-in service, every 100 hours or annual). Fluid Specifications Engine Oil: Likely SAE 0W-40 or 10W-40 synthetic oil for the engine, manual will specify exact viscosity and API rating, along with capacity. Example: Polaris PS-4 Full Synthetic 0W-40. Coolant: Likely a 50/50 mixture of ethylene glycol-based antifreeze and distilled water. Manual will specify type and capacity. Brake Fluid: Likely DOT 3 or DOT 4 brake fluid. Manual will specify type and bleeding procedures. Gear Lube: Likely a specific gear oil for the transmission and final drives. Manual will specify viscosity and capacity. Known Issues Common Wear...