The Polaris Sportsman 450 EFI, produced for the 2007 and 2008 model years, represents a capable and versatile all-terrain vehicle. As part of the renowned Sportsman line, this model is engineered for a balance of performance and reliability, making it well-suited for a variety of off-road applications. Its robust design, featuring a liquid-cooled, single-cylinder engine with Electronic Fuel Injection (EFI), ensures responsive power delivery and efficiency. The Sportsman 450 EFI is recognized for its comfortable ride, durable chassis, and the intuitive On-Demand All-Wheel Drive system, offering excellent traction and control across diverse terrains, making it a trusted companion for both work and recreation. This comprehensive Factory Service Repair Manual provides in-depth guidance for owners and technicians working on the Polaris Sportsman 450 EFI from 2007-2008. It covers all essential systems, including the powertrain, fuel and cooling systems, chassis, handling, and electrical components. The manual offers detailed, step-by-step instructions for maintenance, diagnostics, and repair, addressing common issues and providing advanced troubleshooting techniques. Its scope encompasses everything from routine service intervals and fluid specifications to complete component rebuilds and system analysis, empowering users to maintain their vehicle's optimal performance and longevity. 🏷️ Basic Information Identification Make: Polaris Model: Sportsman 450 EFI Year: 2007-2008 Codes Engine Code: Likely a variant of the Polaris ProStar engine family, specific code not provided but typically designated by displacement and features. Generation Model Generation: First generation Sportsman 450 EFI, representing a specific iteration of Polaris' popular ATV line. 👋 Introduction Market Position Target Audience: Polaris Sportsman 450 EFI owners and independent repair technicians seeking comprehensive factory-level repair information. Competitive Analysis Authenticity: Actual Genuine Repair Service Factory Manuals, not third-party alternatives. Key Features Benefits: Empowers owners to perform maintenance and repairs, saving on labor costs ($50-$60 per hour). Provides detailed, step-by-step instructions and diagnostic guidance. Usability: Easy to use, even for those not skilled with computers. Searchable PDF format allows quick access to information. 📋 Manual Details Coverage Areas Models Covered: Polaris Sportsman 450 EFI (all styles) Model Years Covered: 2007, 2008 Page Count Estimated Page Count: Hundreds of pages (specific count not provided, typical for comprehensive factory manuals) Manual Type Type: Factory Service Repair Manual Language Language: English Format Delivery Format: PDF Download Storage And Portability: Can be saved to hard drive or burned to CD-ROM for offline access. 📖 Manual Coverage Systems Covered Powertrain: Engine top end, Engine lubrication system, Engine Removal/Installation, Crankshaft/Transmission, Final Drive, Clutch Fuel And Cooling: Fuel system, Cooling system Chassis And Handling: Wheels/Tires, Brakes, Suspension, Steering, Frame Electrical: Electrical System, Wiring Diagrams General Info: General Information, Appendix Procedures Included Diagnostics: Engine fault symptom diagnosis, Advanced troubleshooting guide, Electrical system troubleshooting Maintenance: Fundamentals of maintaining, Common maintenance tips Repair: Step-by-step repair guidance, Fixing problems, Common fixes, Complete repair procedures, Component repair and rebuild Testing: Testing suspected parts, Secret techniques used by top mechanics Analysis: Evaluating repair approaches, Understanding engine management systems Tuning: Covers engine tuning aspects, ensuring optimal performance and drivability. Technical Depth Depth: Comprehensive, detailed, covering everything from basic maintenance to complete rebuilds and advanced diagnostics. 📊 Manual Specifications File Format Format: PDF Compatibility: Compatible with all PC-based Windows operating systems and Mac. Print Quality Printability: Printable without any restriction (individual pages, chapters, or entire manual). Resolution: High resolution Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Requirements Software Required: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Type: 4-Stroke, Single-Cylinder, Liquid-Cooled (typical for this model, specific engine designation not provided) Displacement: Approximately 450cc (based on model name) Fuel Delivery: Electronic Fuel Injection (EFI) Performance Horsepower: Specific figures not provided, but expected to be in the range of 30-40 HP for this class of ATV. Torque: Specific figures not provided, but optimized for low-end torque for off-road traction. Fuel System Induction: Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline 🔧 Transmission Standard Type: Automatic (PVT - Polaris Variable Transmission) with High/Low range and Reverse Optional Optional Transmissions: N/A (Typically single transmission option for this model) Features Drive System: On-Demand All-Wheel Drive (AWD) / 2WD Clutch System: Heavy-duty, belt-driven clutch system designed for ATV applications. 📐 Dimensions Exterior Length: Specific figures not provided, but typical for a mid-size Polaris Sportsman. Width: Specific figures not provided, but typical for a mid-size Polaris Sportsman. Height: Specific figures not provided, but typical for a mid-size Polaris Sportsman. Weights Dry Weight: Specific figures not provided, but likely in the 600-700 lbs range for this model. Payload Capacity: Specific figures not provided, but typically around 200-300 lbs for cargo. Towing Capacity: Specific figures not provided, but typically around 660 lbs. 🛡️ Safety Features Ratings Safety Certifications: ATV safety standards applicable to model year. Active Features Braking System: Hydraulic disc brakes (front and rear). Engine Braking: Integrated engine braking through the PVT system. Passive Features Chassis Design: Robust frame and bodywork designed for off-road...