Basic Information Identification Make: Polaris Model: Sportsman 300, Sportsman 400 H.O. Year: 2009 Vehicle Type: All-Terrain Vehicle (ATV) Codes Vin Prefix: No specific VIN prefix provided, but typical for Polaris ATVs of this era. Introduction Market Position Target User: DIY enthusiasts, home mechanics, and professional technicians working on 2009 Polaris Sportsman 300 and 400 H.O. ATVs. Competitive Analysis Value Proposition: Offers a cost-effective solution for vehicle maintenance and repair, empowering users to perform tasks typically requiring professional service. Key Features Completeness: Stated as 100% complete and intact, covering all models and engines for the specified year. Instructional Quality: Easy-to-follow step-by-step instructions with detailed illustrations and diagrams. Accessibility: Instant PDF download for immediate access, viewable and printable on various devices. Manual Details Coverage Areas Supported Models: All 2009 Polaris Sportsman 300 and Sportsman 400 H.O. models and engines. Page Count Page Count: Not explicitly stated, but described as '100 percents COMPLETE and INTACT', implying comprehensive coverage. Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download Manual Coverage Systems Covered Engine Mechanical: Engine overhaul and rebuilding, engine performance, firing orders. Braking System: Brake servicing procedures, complete torque specifications for brakes. Drivetrain Transmission: Transmission removal and installation, transmission in-car servicing. Electrical System: Wiring diagrams, computer diagnostic trouble tree charts, computer diagnostic codes. Suspension Steering: Suspension, front end and alignment procedures and specifications. Fuel System: Covered under engine performance and overhaul sections, likely includes fuel delivery and injection diagnostics. Cooling System: Likely covered within engine overhaul and maintenance sections, though not explicitly listed. Exhaust System: Likely covered within engine overhaul and maintenance sections. Body Chassis: Implied through general repair procedures and diagrams, though not a primary focus. Accessories: Mentioned regarding accessories to enhance engine performance. Procedures Included Routine Maintenance: Factory maintenance schedules and charts. Troubleshooting: Trouble codes, troubleshooting and diagnostics, computer diagnostic trouble tree charts. Engine Repair: Engine overhaul and rebuilding, engine performance. Transmission Repair: Transmission removal and installation, transmission in-car servicing. Brake Repair: Brake servicing procedures. Electrical Diagnostics: Wiring diagrams, computer diagnostic trouble tree charts, computer diagnostic codes. Suspension Alignment: Front end and alignment procedures and specifications, suspension. Drive Component Service: U-joint and CV-joint service procedures. Belt Replacement: Timing belt replacement (though likely a chain or belt-driven OHC for these models, the manual covers 'timing belt service procedures' and 'serpentine belt routings with diagrams'), serpentine belt routings with diagrams. General Repair: Repair procedures A-Z, step-by-step instructions & pictures. Technical Depth Depth: Comprehensive, covering everything from routine maintenance to complete engine rebuilds and advanced diagnostics. Detail Level: Detailed illustrations, exploded diagrams, drawings and photos, complete torque specifications, detailed specifications on every model. Manual Specifications File Format File Format: PDF Compatibility: All Versions of Windows, Mac, iOS, BB, Android, etc. (requires PDF Reader). Print Quality Printability: Printable (pages can be printed as needed). Digital Features: Viewable on any computer, zoomable. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Engine Specifications Primary Engine Engine Type: Likely a liquid-cooled, 4-stroke, SOHC engine for both models. Sportsman 300 often featured a 270-295cc displacement, while the 400 H.O. typically used a 375-400cc displacement. Specific engine codes are not provided in the product information. Performance Horsepower: Specific horsepower figures are not listed, but the 400 H.O. typically offered a modest but capable power output for its class, suitable for general trail riding and utility tasks. The 300 would have slightly less power. Torque: Specific torque figures are not listed, but is designed for low-end grunt suitable for off-road applications. Fuel System Fuel Delivery: Likely fuel injected (FI) for most 2009 models, especially the 400 H.O., although some lower-spec versions might have used carburetors. The manual would detail the specific system. Engine Details Bore Stroke: Specific bore and stroke dimensions for each engine are not provided but will be detailed within the manual. Compression Ratio: Compression ratios are not provided but will be detailed within the manual. Ignition System: Electronic ignition, covered in the electrical section of the manual. Transmission Standard Transmission Type: Automatic Polaris Variable Transmission (PVT) with Engine Braking (EB). Optional Gear Selection: High (H), Low (L), Neutral (N), Reverse (R), Park (P). Features Drive System: Typically On-Demand All-Wheel Drive (AWD) with 2WD/4WD selection. The 400 H.O. would feature this. The 300 might be 2WD or 4WD depending on the specific sub-model, which the manual would clarify. Final Drive: Shaft drive, likely with sealed drivelines and CV joints. Fluid Specifications Transmission Fluid Type: The manual will specify the exact Polaris-branded or equivalent fluid required for the PVT system. Often a specialized ATV transmission fluid is recommended. Dimensions Exterior Overall Length: Approximate dimensions: Sportsman 300 around 83" x 47.5" x 48", Sportsman 400 H.O. around 83" x 47.5" x 48". Specific dimensions will be in the manual. Overall Width: Approximate width: 47.5 inches. Specific dimensions will be in...