This manual covers the Suzuki KingQuad 400 AS and FS models, manufactured between 2008 and 2010. These All-Terrain Vehicles (ATVs) are recognized for their reliability, versatile performance, and user-friendly operation, making them suitable for recreational riders, utility tasks, and various outdoor activities. The KingQuad 400 series is known for its proven powertrain, comfortable riding position, and capable handling, positioning it as a strong contender in the mid-size utility ATV segment. This comprehensive service repair manual provides detailed information for the maintenance, troubleshooting, diagnostics, and overhaul of your Suzuki KingQuad 400 AS/FS. It covers all essential systems, including the engine, transmission, drivetrain, suspension, brakes, and electrical components, offering step-by-step procedures, diagnostic guides, and technical specifications. The manual is designed to empower owners and technicians, ensuring the proper upkeep and repair of the vehicle to maintain its performance and longevity. 🏷️ Basic Information Identification Make: Suzuki Model: KingQuad 400 AS / FS Model Code: LT-A400 / LT-F400 Model Years: 2008, 2009, 2010 Vehicle Type: ATV (All-Terrain Vehicle) 👋 Introduction Market Position Segment: Mid-size utility ATV, known for reliability and capability Target Audience: Recreational riders, utility users, farmers, hunters, DIY mechanics Competitive Analysis Key Competitors: Honda Foreman/Rancher, Yamaha Kodiak/Grizzly, Polaris Sportsman, Kawasaki Brute Force Key Features Vehicle Attributes: Versatile, reliable, proven powertrain, comfortable riding position, user-friendly operation Manual Value: Empowers owners to perform maintenance and repairs, saving costs and extending vehicle lifespan 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics, Overhaul Page Count Estimated Page Count: Varies based on specific factory manual, typically 300-600 pages Manual Type Type: Service Repair Manual / Workshop Manual / Factory Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Engine disassembly, assembly, component diagnostics, tuning, lubrication system, cooling system, fuel system (carburetor), ignition system, starting system, exhaust system Transmission: Automatic transmission operation, maintenance, repair, fluid specifications, torque converter, gear inspection Drivetrain: Shaft drive, differentials (front and rear), driveshafts, CV joints, wheel hubs, bearing maintenance Suspension: Front independent suspension (A-arms, shocks, springs), rear swingarm suspension (shock, spring), wheel alignment, bushings, bearings Brakes: Front and rear hydraulic disc brakes, master cylinders, calipers, brake pads, brake lines, bleeding procedures, parking brake Electrical: Battery, charging system (stator, regulator/rectifier), lighting, ignition system, starter motor, wiring diagrams, fuses, relays, switches, diagnostic codes (if applicable) Fuel System: Carburetor tuning, cleaning, rebuilding; fuel pump (if applicable), fuel lines, fuel filter Cooling System: Radiator, cooling fan, coolant, thermostat, hoses, water pump Body Frame: Frame inspection, body panel removal and installation, fenders, racks, seat, handlebar assembly Procedures Included Preventative Maintenance: Oil changes, filter replacements, lubrication points, chain adjustment (if applicable), spark plug checks, fluid level checks, tire pressure Troubleshooting: Step-by-step diagnostic guides for common and uncommon issues, symptom-based troubleshooting trees Repair Rebuild: Complete engine rebuild, transmission overhaul, suspension component replacement, brake caliper rebuild, electrical component testing and replacement Diagnostics: Methods for diagnosing electrical faults, mechanical issues, and performance problems Special Tools: Identification and usage of specialized tools required for specific repair procedures Technical Depth Depth: Detailed component specifications, tolerances, torque values, and assembly instructions Illustrations: Clear, zoomable illustrations, exploded views, and diagrams Completeness: Covers all aspects of service, repair, and maintenance for the specified model years and variants 📊 Manual Specifications File Format Format: PDF Accessibility: Readable on computers (Windows, Linux, Mac), tablets, and smartphones with PDF reader File Size: Can be large, up to 4000 MB (user advised to check storage space) Print Quality Printability: Printable on any computer and printer Illustration Quality: High-quality, zoomable illustrations and diagrams Binding Type Type: Digital Download (No physical copy) Paper Type Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, 4-valve, single-cylinder Displacement: 376 cc (23.0 cu in) Bore X Stroke: 80.0 mm x 74.2 mm (3.15 in x 2.92 in) Cooling System: Liquid-cooled Compression Ratio: 9.3:1 Performance Horsepower Estimate: ~24-27 HP (depending on specific tune and year) Torque Estimate: ~28-30 lb-ft (depending on specific tune and year) Fuel System Fuel Delivery: Carburetor (Mikuni BSR36) Fuel Type: Unleaded gasoline, 87 octane (minimum) Engine Components Valvetrain: Single Overhead Camshaft (SOHC) Ignition: Electronic ignition (CDI) Starter: Electric starter 🔧 Transmission Standard Type: Automatic (Torque-converter with 4-speed forward and 1 reverse) Drive Modes: 2WD/4WD selectable with differential lock Features High Low Range: Yes, High/Low range gearbox Engine Braking: Utilizes engine braking in lower gears 📐 Dimensions Exterior Overall Length: ~81.7 inches (2075 mm) Overall Width: ~46.1 inches (1170 mm) Overall Height: ~47.4 inches (1205 mm) Weights Dry Weight: ~590-615 lbs (268-279 kg) - varies by configuration (AS/FS) Curb Weight: ~617-639 lbs (280-290 kg) - with fluids Towing Capacity: 661 lbs (300 kg) Dimensions Ground Clearance: 10.2 inches (260 mm) Wheelbase: 50.6 inches (1285 mm) Seat Height: 33.1 inches (840 mm) Cargo Front Rack Capacity: 33 lbs (15 kg) Rear Rack Capacity: 176 lbs (80 kg) 🛡️...