This manual covers the LT-A400 and LT-A400F, also known as the King Quad 400, from the 2007, 2008, and 2009 model years. These first-generation ATVs are powered by a 376 cc, single-cylinder, 4-stroke, liquid-cooled engine, typically featuring a carburetor and an automatic CVT transmission with shaft drive. Renowned for a heritage of producing reliable and capable all-terrain vehicles, the King Quad 400 offers a balance of practical performance and durability for various utility tasks. Its engineering focuses on robust mechanical systems, including hydraulic disc brakes and a user-friendly selectable 2WD/4WD drive system, making it a dependable choice for demanding environments. This comprehensive factory service repair manual provides detailed, step-by-step instructions for maintenance, troubleshooting, and repair of your LT-A400/LT-A400F. It covers all essential systems, including the fuel, cooling, engine, transmission, drivetrain, brakes, suspension, steering, frame, and electrical systems. The manual includes diagnostic procedures, repair techniques, and electrical service information, complete with high-resolution illustrations and diagrams. This resource is designed to empower owners and technicians, enabling them to perform accurate and efficient maintenance, thereby extending the lifespan and optimizing the performance of their vehicle. 🏷️ Basic Information Identification Make: Suzuki Model: LT-A400 / LT-A400F Model Alias: King Quad 400 Product Type: Factory Service Repair Manual Generation Generation Identifier: First Generation Codes Chassis Codes: LT-A400, LT-A400F 👋 Introduction Market Position Target Audience: Suzuki LT-A400/LT-A400F owners (DIY mechanics and those who want to understand their vehicle better) Competitive Analysis Comparison To Alternatives: Directly contrasts with 3rd party manuals, emphasizing its 'Actual Genuine Repair Service Factory Manual' status for superior accuracy and completeness. Key Features Value Proposition: Enables owners to perform maintenance and repairs themselves, saving significant labor costs ($50-$60 per hour) and empowering informed decision-making. Usability: Easy to use, no computer skills required for basic printing; searchable PDF for quick information retrieval. 📋 Manual Details Coverage Areas Model Years Covered: 2007, 2008, 2009 Page Count Estimated Page Count: Hundreds of pages (specific count not provided, but described as 'complete official full factory service repair manual') Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format Delivery Format: PDF Download File Format: PDF Printability: Printable without restriction Software Requirements: Adobe PDF Reader Authenticity Source Authenticity: Actual Genuine Repair Service Factory Manuals (NOT 3rd party) 📖 Manual Coverage Systems Covered Covered Systems: General Information, Fuel System, Cooling System, Engine Top End, Clutch, Engine Lubrication System, Engine Removal/Installation, Crankshaft/Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame, Electrical System, Appendix Procedures Included Repair Procedures: Step-by-step repair procedures, diagnostic troubleshooting, maintenance, rebuilding, refurbishing, restoration, tuning Diagnostic Procedures: Fault symptom diagnosis, part testing using 'secret techniques', advanced troubleshooting guide Electrical Procedures: Tracing and verifying wiring diagrams, understanding engine management systems, electrical service procedures Technical Depth Technical Scope: Comprehensive coverage from fundamentals to advanced repair, detailing everything a factory-trained technician knows Detail Level: Detailed substeps, notes, cautions, warnings, numbered instructions, bold figure numbers for illustrations Visual Aids: Illustrations, drawings, photos, enlarged inset views for detailed part examination 📊 Manual Specifications File Format Digital Format: PDF Print Quality Print Quality: High resolution Binding Type Binding: N/A (Downloadable PDF) Paper Type Paper Type: N/A (Downloadable PDF - printable on user's choice of paper) ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, 4-stroke Engine Displacement: 376 cc (actual cc based on Suzuki's naming convention for this model) Performance Cooling System: Liquid-cooled (implied by system coverage) Fuel System Fuel Delivery: Carburetor (typical for this era and model, detailed in manual) Fuel Type: Unleaded gasoline 🔧 Transmission Standard Transmission Type: Automatic (Continuously Variable Transmission - CVT) Features Drive System: Shaft drive (2WD/4WD selectable, often with differential lock) 📐 Dimensions Weights Curb Weight: Approximately 650-670 lbs (specific to 2WD/4WD variants, detailed in manual) 🛡️ Safety Features Ratings Safety Standards: N/A (ATV, not subject to automotive safety ratings) Active Features Braking System: Hydraulic disc brakes (front and rear), often with parking brake mechanism 💡 Technology Features Infotainment Infotainment System: N/A (Utility ATV focused, typically no complex infotainment) Driver Assistance Electronic Aids: Limited electronic aids, focus is on mechanical systems. Some models may feature selectable 2WD/4WD and differential lock. Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 1,000 km or 6 months (refer to manual for exact specifications and severe service intervals) Oil Specifications Engine Oil Type: SAE 10W-40 API SG or higher (check manual for specific viscosity and API classification) Engine Oil Capacity: Approximately 1.8 L without filter change, 2.0 L with filter change (refer to manual for exact capacities) Fluid Specifications Brake Fluid Type: DOT 3 or DOT 4 (refer to manual for precise specification) Coolant Type: Mixture of antifreeze and water (50/50 ratio, refer to manual for specific coolant type and capacity) Known Issues Common Wear Items: CVT belt wear, suspension bushings, brake pad wear, battery health (typical for utility ATVs of this age) Electrical Gremlins: Potential for electrical...