The Suzuki King Quad 400, produced between 2008 and 2014, is a versatile mid-size utility ATV renowned for its balanced performance, reliability, and affordability. Available in both automatic (LT-A400F) and manual (LT-F400F) transmission variants, this model is well-suited for recreational riding, light-to-medium duty farm work, and trail exploration. Its engineering quality is underscored by a robust 376cc liquid-cooled engine, selectable 4WD system, and independent suspension, offering a dependable and capable experience in a variety of conditions. The King Quad 400 stands out for its practical design and strong value proposition within its competitive segment. This comprehensive workshop service repair manual provides detailed guidance for all systems of the Suzuki King Quad 400 (LT-A400F and LT-F400F). It covers essential maintenance procedures, in-depth troubleshooting diagnostics, and complete repair instructions for the engine, transmission, drivetrain, suspension, brakes, and electrical systems. The manual is designed to empower owners and technicians alike, offering the necessary information to maintain the ATV's optimal performance, ensure its longevity, and effectively address any mechanical or electrical issues that may arise. With its thorough coverage, this manual serves as an indispensable resource for the care and upkeep of your King Quad 400. 🏷️ Basic Information Identification Make: Suzuki Model: King Quad 400 Model Codes: LT-A400F (Automatic), LT-F400F (Manual) Generation Generation Years: 2008-2014 👋 Introduction Market Position Market Segment: Mid-size utility ATV, popular for recreational riding, light-to-medium duty farm work, and trail riding. Competitive Analysis Key Competitors: Honda FourTrax 400, Polaris Sportsman 400, Yamaha Kodiak 400, Can-Am Outlander 400. Key Features Value Proposition: Offers a balance of performance, reliability, and affordability, making it a strong contender in its class. The availability of both automatic and manual transmission options broadens its appeal. Manual Benefit: Empowers owners to perform their own maintenance and repairs, saving significant costs and extending the lifespan of their ATV. 📋 Manual Details Coverage Areas Manual Coverage: Complete service, repair, and maintenance for all systems of the specified Suzuki King Quad 400 models. Page Count Estimated Page Count: Likely 500+ pages (typical for a comprehensive workshop manual) Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: Detailed breakdown of the 376cc single-cylinder, liquid-cooled engine including fuel injection, ignition, lubrication, cooling, and emission control systems. Transmission: Coverage for the QuadMatic automatic transmission (CVT) and the 5-speed manual transmission (LT-F400F), including belt inspection, clutch operation, and gearshift mechanisms. Drivetrain: Front and rear driveshafts, differential, axle boots, and hub assemblies, including service and repair procedures. Suspension: Front and rear independent suspension, shock absorbers, A-arms, bushings, and steering linkage. Brakes: Front and rear hydraulic disc brake systems, including caliper service, pad replacement, fluid flush, and master cylinder. Electrical System: Charging system (stator, regulator/rectifier), starting system (starter motor, battery), lighting (headlights, taillights, brake lights), and instrumentation. Fuel System: Fuel injection system (throttle body, injectors, fuel pump, pressure regulator), and fuel tank components. Cooling System: Radiator, fan, water pump, thermostat, and coolant passages. Frame And Bodywork: Frame inspection, body panel removal and installation, seat, fenders, and racks. Procedures Included Maintenance: Regular scheduled maintenance, oil changes, filter replacements, spark plug service, valve clearance adjustment, chain lubrication and adjustment (if applicable), brake fluid changes, coolant flushes. Troubleshooting: Diagnostic charts and procedures for common issues, fault code interpretation (if applicable), and systematic problem-solving for engine, electrical, and drivetrain problems. Engine Repair: Top-end rebuild (cylinder head, piston), bottom-end overhaul (crankshaft, connecting rod), gasket replacement, timing chain inspection and replacement. Transmission Repair: CVT belt replacement, clutch service, manual gearbox disassembly and reassembly. Electrical Diagnostics: Wiring diagrams, component testing, ignition system troubleshooting, charging system testing. Suspension And Steering: Shock absorber adjustment and replacement, ball joint replacement, steering column and linkage service. Brake System Service: Brake pad replacement, rotor resurfacing/replacement, caliper overhaul, brake line replacement, bleeding procedures. Technical Depth Depth Of Coverage: Comprehensive, covering everything from basic maintenance and inspections to full engine and transmission rebuilds, electrical system diagnostics, and chassis component overhauls. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Print Quality: High resolution, suitable for printing individual pages or chapters. Binding Type Binding Type: N/A (Downloadable Digital Format) Paper Type Paper Type: N/A (Digital Format), but designed for clear printing on standard paper. ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, 4-valve, Single-cylinder Displacement: 376 cc (23.0 cu. in.) Bore X Stroke: 81.0 mm x 72.0 mm (3.19 in. x 2.83 in.) Cooling System: Liquid-cooled Compression Ratio: 9.2:1 Performance Estimated Horsepower: Approximately 26-28 HP (specific figures can vary slightly by year and test conditions) Estimated Torque: Approximately 22-24 lb-ft (specific figures can vary slightly by year and test conditions) Fuel System Fuel Delivery: Suzuki Fuel Injection (SDFI) - Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline, 87 octane or higher recommended. Ignition Ignition System: Electronic ignition (CDI) 🔧 Transmission Standard Lt A400F...