This manual covers the 2008 Sportsman 300 and Sportsman 400 HO All-Terrain Vehicles (ATVs). These ATVs were engineered for versatile off-road performance, combining comfort with utility. The Sportsman line is celebrated for its robust capabilities, and these models offer a strong foundation for exploration and work. Key features include an automatic PVT transmission with engine braking, on-demand All-Wheel Drive, and hydraulic disc brakes, all contributing to their reliable and capable nature in various terrains. This comprehensive reprint serves as an essential resource for maintaining and repairing your 2008 Sportsman ATV. It provides detailed procedures for engine systems, drivetrain, suspension, steering, electrical systems, and bodywork. Within its pages, you will find guidance on routine maintenance, advanced troubleshooting, and essential technical specifications. This manual is designed to empower owners and technicians alike, ensuring the longevity and optimal performance of the vehicle through accurate, OEM-level repair and maintenance information. 🏷️ Basic Information Identification Make: Polaris Model: Sportsman 300 / 400 HO Year: 2008 Type: All-Terrain Vehicle (ATV) 👋 Introduction Market Position Target User: ATV owners and technicians seeking factory-level repair information Competitive Analysis Manual Value Proposition: OEM-level accuracy, instant download, lifetime protection policy Key Features Manual Accessibility: Instant download for immediate access to repair information Manual Durability: Printable pages eliminate the risk of damaging an expensive paper manual Support: Lifetime Protection Policy for lost or damaged downloads 📋 Manual Details Coverage Areas Covered Models: 2008 Polaris Sportsman 300 ATV, 2008 Polaris Sportsman 400 HO ATV Manual Type Primary Manual Type: Factory Authorized Reprint / OEM Shop Manual / Service Manual / Repair Manual Format Delivery Format: Downloadable PDF Language Language: English 📖 Manual Coverage Systems Covered Engine Systems: Engine Removal and Installation, Fuel System, Lubrication System, Cooling System, Engine Specifications, Intake & Exhaust Drivetrain Systems: Transmission, Drive Chain & Sprockets Suspension Steering: Steering System, Shocks Electrical Systems: Electrical System Bodywork Chassis: Body Work Procedures Included Routine Maintenance: Routine Maintenance Troubleshooting: Advanced Troubleshooting Technical Depth Repair Scope: Comprehensive repair, maintenance, and diagnostic procedures 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Print Readability: High resolution, suitable for printing individual pages Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type Sportsman 300: Liquid-cooled, 4-stroke, SOHC, 4-valve Displacement Sportsman 300: 271cc Engine Type Sportsman 400 Ho: Liquid-cooled, 4-stroke, SOHC, 4-valve Displacement Sportsman 400 Ho: 375cc (approximate based on HO designation for the 400 class) Performance Horsepower Sportsman 400 Ho: Estimated 28-30 HP (factory specifications vary slightly by model year and tuning) Fuel System Fuel Delivery Sportsman 300: Carbureted (likely Keihin CV type) Fuel Delivery Sportsman 400 Ho: Carbureted (likely Keihin CV type) Ignition Ignition System: Electronic Ignition (CDI) 🔧 Transmission Standard Transmission Type: Automatic PVT (Polaris Variable Transmission) with Engine Braking Features Drive Modes: High, Low, Neutral, Reverse Final Drive: Shaft Drive Fluid Type Transmission Fluid Specification: Polaris AGL Synthetic Gearcase Lubricant (or equivalent SAE 80W-90 gear oil) 📐 Dimensions Weights Dry Weight Sportsman 300: Approx. 630 lbs (286 kg) Dry Weight Sportsman 400 Ho: Approx. 630 lbs (286 kg) Capacity Towing Capacity: 1500 lbs (680 kg) Rack Capacity Front: 100 lbs (45 kg) Rack Capacity Rear: 200 lbs (90 kg) 🛡️ Safety Features Active Features Braking System: Hydraulic Disc Brakes (Front and Rear) Parking Brake: Hand-operated lever engaging rear brake caliper Passive Features Lighting: Dual headlights, taillight/brake light 💡 Technology Features Infotainment Display Features: Basic LCD instrument cluster displaying speed, RPM, odometer, trip meter, fuel level, 4x4 indicator, and gear position. Driver Assistance Drive System: On-Demand AWD (All-Wheel Drive) Connectivity Connectivity Options: N/A (No integrated connectivity features) 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific mileage/hour intervals (typically every 100-200 hours or annually) Spark Plug Replacement: Refer to manual for specific intervals Air Filter Cleaning: Frequent inspection and cleaning recommended based on operating conditions Fluid Specifications Engine Oil Specification: Polaris PS-4 Full Synthetic 5W-50 (or equivalent API SG/SH/SJ rated oil) Engine Oil Capacity: Refer to manual (typically around 2 quarts) Coolant Specification: Ethylene Glycol based antifreeze (50/50 mix with distilled water) Known Issues Common Wear Items: Drive belts, suspension bushings, tie rod ends, wheel bearings Electrical Gremlins: Wiring harness integrity, starter solenoid issues can occur with age and exposure Pvt System Maintenance: Regular inspection of clutch sheaves and belt for wear is crucial for optimal performance 📚 Vehicle History Brand Heritage Brand Specialization: Polaris is a long-standing manufacturer of powersports vehicles, including ATVs and snowmobiles. Model Evolution Sportsman Line Heritage: The Sportsman line is Polaris's flagship ATV series, known for its comfort, utility, and off-road capability. The 300 and 400 models represent entry-to-mid-level offerings in this popular lineup. Production Manufacturer Location: USA (Polaris Industries Inc.) 🏆 Awards & Recognition Recognitions Brand Accolades: Polaris Sportsman models have consistently received praise for their utility and comfort...