Basic Information Identification Make: Polaris Model: Sportsman 400 H.O. Year: 2009 Codes Chassis Code: Not specified in product information Engine Code: Not specified in product information Introduction Market Position Target Audience: Owners, DIY mechanics, service technicians Competitive Analysis Comparison: Equivalent to dealer-used service manuals Key Features Delivery: Instant download Value Proposition: Saves money on repairs and maintenance, provides comprehensive knowledge Manual Details Coverage Areas Covered Models: 2009 Polaris Sportsman 300, 2009 Polaris Sportsman 400 H.O. Page Count Total Pages: 292 Manual Type Type: Official Full Workshop Service and Repair Manual Language Language: English Format Format: PDF Manual Coverage Systems Covered Systems: General Information, Maintenance, Engine, Fuel System, Body, Steering, Suspension, CVT/Transmission, Final Drive, Brakes, Electrical, Wire Diagrams Procedures Included Procedures: Complete tear down and rebuild, maintenance, troubleshooting, repair, refurbishment, restoration, installation Technical Depth Depth: Highly detailed, workshop level Manual Specifications File Format File Type: PDF Print Quality Printability: All pages printable without restriction Binding Type Binding: Not applicable (Digital Download) Paper Type Paper Quality: Not applicable (Digital Download) Organization Features: Bookmarks, Searchable Text, Index Engine Specifications Primary Engine Engine Type: Not explicitly detailed in product information, but typical for the model year would be a single-cylinder, liquid-cooled engine. Displacement: Sportsman 300: Typically around 272cc. Sportsman 400 H.O.: Typically around 375cc (H.O. denotes High Output). Performance Horsepower Torque: Specific figures not provided, but the manual covers engine performance tuning and specifications. Fuel System Fuel Delivery: Likely carbureted for the Sportsman 300 and potentially Electronic Fuel Injection (EFI) for the Sportsman 400 H.O., with specific details covered in the manual. Components Cooling System: Liquid-cooled (as implied by radiator mention in tags) Ignition System: Covered in Electrical section, likely CDI or similar Transmission Standard Type: Automatic (CVT - Continuously Variable Transmission) Optional Optional Types: None typically for this model segment Features Features: High/Low range, Reverse. Manual covers CVT maintenance, clutch adjustment, belt replacement. Dimensions Exterior Length Width Height: Specific dimensions not provided, but manual covers bodywork, fenders, plastics. Weights Dry Weight: Not specified in product information, but relevant specifications are covered in the manual. Curb Weight: Not specified in product information, but relevant specifications are covered in the manual. Wheelbase Wheelbase: Not specified in product information, but relevant specifications are covered in the manual. Safety Features Ratings Safety Ratings: Not applicable for ATVs in the traditional automotive sense. Active Features Active Safety: Hydraulic brakes (covered), advanced suspension geometry (covered). Passive Features Passive Safety: Handlebar grips, rider positioning considerations for stability. Technology Features Infotainment Infotainment System: Basic instrumentation typical for ATVs of this era (speedometer, odometer, fuel gauge). No advanced infotainment. Driver Assistance Driver Assistance Features: None Connectivity Connectivity Options: None Electrical Lighting: Front and rear lighting systems covered, including troubleshooting for bulbs and wiring. Starting System: Electric starter and associated components covered. Charging System: Stator, rectifier/regulator, and battery charging system detailed. Wiring Diagrams: Comprehensive wiring diagrams are included for easy diagnosis and repair. Maintenance Service Intervals Scheduled Maintenance: The manual details comprehensive maintenance schedules for all systems, including oil changes, filter replacements, and inspections. Fluid Specifications Engine Oil: Specific viscosity and API rating for engine oil would be detailed in the manual. Likely SAE 5W-50 or similar for ATV applications. Coolant Type: Manual will specify the correct type of antifreeze/coolant for the liquid-cooled engine. Brake Fluid: Manual will specify the DOT rating for brake fluid. Gear Oil: Manual will specify the correct type and viscosity for final drive and transmission lubrication. Known Issues Common Problems: While not explicitly stated as 'known issues', the manual's troubleshooting sections address common problems such as starting issues, drive belt wear, suspension noise, and electrical gremlins. Torque Specs Torque Values: Extensive torque specifications for all fasteners and critical components are provided. Filter Part Numbers Filters: While specific part numbers aren't listed in the product description, the manual will identify the correct oil filters, air filters, and fuel filters. Vehicle History Brand Heritage Brand Focus: Polaris is a well-established manufacturer of powersports vehicles, including ATVs. Model Evolution Series History: The Sportsman line is a popular and long-standing series of ATVs known for their utility and trail riding capabilities. The 300 and 400 H.O. are mid-size offerings within this lineup. Production Manufacturing Location: Not specified in product information, but Polaris primarily manufactures in the USA. Awards & Recognition Recognitions Industry Recognition: Polaris Sportsman line generally receives positive reviews for utility and off-road capability, though specific awards for the 2009 models are not detailed here. Ratings Consumer Ratings: The manual's existence and comprehensiveness reflect a commitment to product support and customer satisfaction, which indirectly contributes to positive ownership experiences. Certifications Manufacturing Certifications: Not specified in product information. Vehicle Specifications Engine Engine Description: Single-cylinder, four-stroke, liquid-cooled engine with overhead valve (OHV) or single overhead cam (SOHC) configuration. Specifics vary between 300 and 400 H.O. Suspension Front Suspension: MacPherson strut or independent double...