This workshop service repair manual provides comprehensive coverage for the 1999 Sport 400 and Explorer 400 ATVs. These versatile all-terrain vehicles, known for their robust engineering and reliable performance, were designed for a range of recreational and utility applications. Built with an established heritage in powersports, these 1999 models offer a blend of power and durability, making them a popular choice for enthusiasts and utility users alike. The Sport 400 typically emphasizes a more performance-oriented experience, while the Explorer 400 often provides enhanced utility features, catering to diverse riding needs. This manual serves as an essential resource for maintaining and repairing your 1999 Sport 400 or Explorer 400. It details all engine types, transmission types, and trim levels for these models, offering step-by-step instructions for a wide array of procedures. Coverage includes in-depth engine overhaul, drivetrain service, suspension and steering maintenance, braking system repairs, electrical system diagnostics, and fuel system servicing. Additionally, you will find detailed guidance on scheduled maintenance, troubleshooting common issues, and component rebuilds, ensuring your ATV remains in optimal condition. 🏷️ Basic Information Identification Make: Polaris Model: Sport 400 & Explorer 400 ATV Year: 1999 Product Type: Complete Workshop Service Repair Manual Generation Model Generation: 1999 Model Year Codes Vin Code Era: Vehicle Identification Numbers (VINs) for 1999 Polaris ATVs typically follow a standardized 17-character format, allowing for specific model and manufacturing details. 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, and Polaris owners seeking to perform maintenance and repairs. Value Proposition: Enables significant cost savings on service and repairs by empowering users with comprehensive technical information. Competitive Analysis Competitor Manuals: Directly competes with OEM service manuals and other aftermarket repair guides, offering comparable or superior depth of detail. Key Features Ease Of Use: Designed with step-by-step instructions and clear illustrations to simplify complex procedures. Portability: Downloadable to multiple devices for convenient access in the workshop or on the trail. Permanence: Once downloaded, the manual is owned indefinitely by the user. 📋 Manual Details Coverage Areas Models Covered: Polaris Sport 400, Polaris Explorer 400 Engine Variants Covered: All engine types for the 1999 Sport 400 and Explorer 400 models. Transmission Types Covered: All transmission types for the 1999 Sport 400 and Explorer 400 models. Trim Levels Covered: All trim levels for the 1999 Sport 400 and Explorer 400 models. Page Count Estimated Page Count: As a comprehensive workshop manual, it is estimated to contain between 500-800 pages, providing in-depth coverage. Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Format: Digital Downloadable (PDF) Accessibility: Accessible on PC, MAC, tablets, and smartphones. Software Requirement: Adobe Reader (free download available) Delivery Delivery Method: Instant Email Delivery upon payment confirmation 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, carburetor tuning, ignition system diagnostics, cooling system maintenance, lubrication system service, exhaust system repair. Drivetrain Systems: Transmission service and repair, differential maintenance, drive shaft inspection and replacement, final drive lubrication. Suspension And Steering: Front and rear suspension component inspection, shock absorber service, steering mechanism overhaul, wheel alignment procedures. Braking Systems: Brake caliper service, brake pad replacement, brake fluid bleeding and replacement, master cylinder inspection and repair. Electrical Systems: Starter motor, alternator/stator, battery maintenance, lighting system troubleshooting, wiring diagrams, fuse and relay identification. Fuel Systems: Fuel tank inspection and cleaning, fuel pump testing, fuel filter replacement, fuel line maintenance. Body And Frame: Frame inspection, plastic body panel removal and installation, seat repair, handlebar and control lever adjustment. Procedures Included Maintenance Procedures: Scheduled maintenance tasks, fluid changes (oil, coolant, brake fluid), filter replacements, lubrication points, spark plug service. Troubleshooting Guides: Diagnostic charts for common problems, symptom-based troubleshooting, electrical issue diagnosis, engine performance issues. Repair Procedures: Step-by-step instructions for component disassembly, repair, and reassembly for all major systems. Installation Procedures: Guidance on installing specific aftermarket accessories or replacement parts. Technical Depth Depth Of Coverage: Comprehensive A-Z coverage, from basic maintenance to complex engine and transmission rebuilds. Diagnostic Capabilities: Includes detailed diagnostic procedures, specifications, and troubleshooting trees. Component Rebuilds: Detailed instructions for rebuilding major components like the engine, carburetor, and transmission. 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Searchability: Text-searchable PDF for easy navigation and information retrieval. Print Quality Printability: High-resolution, printable pages suitable for professional printing. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Typically a 2-stroke, liquid-cooled, single-cylinder engine for both models. Displacement Cc: Likely around 375-400cc (exact specifications would be detailed in the manual). Performance Horsepower Hp: Estimated 25-35 HP (specific output varies by model and tuning). Torque Lb-Ft: Estimated 20-28 lb-ft (specific output varies). Fuel System Carburetor Details: Likely features a Mikuni or Keihin carburetor, with detailed tuning and rebuilding instructions provided. Fuel Type: Unleaded gasoline (refer to manual for octane recommendations). Ignition System Ignition Type: CDI (Capacitor...