Model Variants:
        
        
            LT-A400, LT-A400F, LT-F400, LT-F400F
        
     
    
    
        
            Model Code 2008:
        
        
            K8 (2x4), FK8 (4x4)
        
     
    
        
            Model Code 2009:
        
        
            F (4x4 - specific designation may vary)
        
     
    
    
        
            Generation Identifier:
        
        
            Fifth Generation KingQuad (post 2005 redesign, with specific updates for these model years)
        
     
 
    
    
    
        
            Vehicle Segment:
        
        
            Mid-size utility ATV (All-Terrain Vehicle), known for its versatility and capability in various terrains.
        
     
    
        
            Brand Reputation:
        
        
            Suzuki KingQuad series is recognized for its robust build quality, reliable powertrains, and excellent off-road performance.
        
     
    
    
        
            Key Competitors:
        
        
            Competes with models like Yamaha Kodiak, Honda Foreman, Polaris Sportsman, and Can-Am Outlander in its class.
        
     
    
    
        
            Versatility:
        
        
            Suitable for recreational riding, hunting, farming, and general utility tasks, with 2x4 and 4x4 options.
        
     
    
        
            Powertrain Reliability:
        
        
            Features a proven engine design known for its durability and consistent performance.
        
     
 
    
    
    
        
            Covered Model Years:
        
        
            2008, 2009
        
     
    
        
            Covered Models:
        
        
            LT-A400K8 Auto KingQuad 2x4, LT-A400FK8 Auto KingQuad 4X4, LT-F400K8 KingQuad, LT-F400FK8 KingQuad, LT-A400F KingQuad (2009), LT-F400F KingQuad (2009)
        
     
    
        
            Completeness:
        
        
            Comprehensive, from front bumper to rear
        
     
    
    
        
            Manual Type:
        
        
            Service Repair Manual
        
     
    
    
    
    
    
        
            Download Type:
        
        
            Instant Download
        
     
    
        
            Compatibility:
        
        
            All Versions of Windows & Mac
        
     
    
        
            Requirements:
        
        
            Adobe PDF Reader
        
     
 
    
    
    
        
            Engine:
        
        
            Detailed repair and maintenance for the engine assembly, including top end, bottom end, cooling system, lubrication, and fuel delivery.
        
     
    
        
            Driveline:
        
        
            Includes front and rear driveshafts, differential, and axles, covering maintenance, repair, and troubleshooting of 2x4 and 4x4 systems.
        
     
    
        
            Transmission:
        
        
            Coverage of the automatic transmission (CVT or similar), including internal components, lubrication, and adjustment procedures.
        
     
    
        
            Suspension:
        
        
            Detailed information on front and rear suspension systems, including A-arms, shocks, bushings, and alignment specifications.
        
     
    
        
            Brake:
        
        
            Servicing and repair of the hydraulic braking system, including brake lines, calipers, master cylinder, and brake fluid specifications.
        
     
    
        
            Steering:
        
        
            Maintenance and repair of the steering system, including tie rods, steering column, and any power steering components.
        
     
    
        
            Body Accessories:
        
        
            Covers body panels, seat, racks, fenders, and accessories for inspection, repair, and maintenance.
        
     
    
        
            Electrical:
        
        
            Includes wiring diagrams, troubleshooting for ignition, starting, charging system, lights, and accessories.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, spark plug service, air filter cleaning/replacement, lubrication points.
        
     
    
        
            Diagnostic Troubleshooting:
        
        
            Step-by-step procedures for identifying and resolving common mechanical and electrical issues.
        
     
    
        
            Component Rebuild:
        
        
            Detailed instructions for overhauling major components like the engine, transmission, and differentials.
        
     
    
        
            Adjustment Calibration:
        
        
            Procedures for adjusting carburetor, valve clearances, brakes, and steering.
        
     
    
    
        
            Depth Level:
        
        
            Expert-level technical detail suitable for professional mechanics and advanced DIY enthusiasts.
        
     
    
        
            Documentation Type:
        
        
            High quality diagrams and instructions
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, SOHC, 1-cylinder, liquid-cooled
        
     
    
        
            Displacement:
        
        
            376 cc (Approximately)
        
     
    
        
            Bore X Stroke:
        
        
            Specific dimensions available in manual (e.g., 83.0 mm x 70.0 mm typical for this engine family)
        
     
    
    
        
            Horsepower:
        
        
            Approx. 26-28 HP (varies slightly by year/tune)
        
     
    
        
            Torque:
        
        
            Approx. 23-25 lb-ft (varies slightly by year/tune)
        
     
    
    
        
            Fuel Delivery:
        
        
            Carbureted (e.g., Mikuni BSR36) for most models in this range, with potential for fuel injection on later variants if specified.
        
     
    
    
        
            Ignition System:
        
        
            Electronic ignition (CDI)
        
     
    
    
        
            Cooling System:
        
        
            Liquid-cooled with fan assist
        
     
    
    
        
            Oil Type:
        
        
            Suzuki recommends specific high-quality 4-stroke motorcycle oil (e.g., SAE 10W-40 API SG or higher), details in manual.
        
     
    
        
            Oil Capacity:
        
        
            Approximately 2.0-2.5 liters (with filter change), specific capacity to be confirmed in manual.
        
     
    
    
        
            Air Filter Type:
        
        
            Usually a high-density foam element, requires periodic cleaning and oiling.
        
     
    
    
        
            Exhaust System:
        
        
            Single muffler, catalytic converter may be present depending on market.
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Automatic (CVT - Continuously Variable Transmission) with high/low range and reverse.
        
     
    
    
        
            Drive Modes:
        
        
            2WD / 4WD selectable (LT-A400F/LT-F400F models)
        
     
    
    
        
            Transmission Fluid Type:
        
        
            Specific automatic transmission fluid (ATF) or proprietary Suzuki fluid, refer to manual for exact specification.
        
     
    
    
        
            Clutch Type:
        
        
            Automatic centrifugal clutch for CVT engagement.
        
     
 
    
    
    
        
            Overall Length:
        
        
            Approx. 78.1 inches (1985 mm)
        
     
    
        
            Overall Width:
        
        
            Approx. 47.2 inches (1200 mm)
        
     
    
        
            Overall Height:
        
        
            Approx. 45.9 inches (1165 mm)
        
     
    
        
            Wheelbase:
        
        
            Approx. 50.0 inches (1270 mm)
        
     
    
    
        
            Dry Weight:
        
        
            Approx. 600-640 lbs (273-290 kg), varies by 2x4/4x4 configuration
        
     
    
        
            Towing Capacity:
        
        
            Typically rated at 1000 lbs (454 kg) or more
        
     
    
        
            Cargo Capacity Rear Rack:
        
        
            Approx. 99 lbs (45 kg)
        
     
    
    
        
            Front Tire Size:
        
        
            AT 25 x 8-12 (Tubeless)
        
     
    
        
            Rear Tire Size:
        
        
            AT 25 x 10-12 (Tubeless)
        
     
    
        
            Wheel Type:
        
        
            Steel or Aluminum alloy, depending on trim/options
        
     
 
    
    
    
        
            Atv Safety Standards:
        
        
            Complies with ANSI/SVIA 1-2010 and 1-2017 safety requirements for All-Terrain Vehicles.
        
     
    
    
        
            Braking System:
        
        
            Hydraulic disc brakes on all wheels (typically dual front, single rear), plus engine braking via CVT.
        
     
    
    
        
            Throttle Limiter:
        
        
            May incorporate a throttle stop screw for new riders, adjustable as per manual instructions.
        
     
    
        
            Hand Guards:
        
        
            Standard on many models to protect hands from debris and weather.
        
     
 
    
    
    
        
            Instrument Panel:
        
        
            Digital LCD meter with speedometer, odometer, trip meter, clock, fuel gauge, 2WD/4WD indicator, and transmission position indicator.
        
     
    
    
        
            Lighting:
        
        
            Multi-reflector halogen headlights and LED taillight/brake light for visibility.
        
     
    
    
        
            Charging Port:
        
        
            Some models may feature a 12V accessory outlet for charging devices.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Recommended every 600 miles (1000 km) or 6 months, whichever comes first. Specific break-in period service is crucial.
        
     
    
        
            Air Filter Cleaning:
        
        
            Recommended every 300 miles (500 km) or 3 months, or more frequently in dusty conditions.
        
     
    
        
            Spark Plug Replacement:
        
        
            Recommended every 1200 miles (2000 km) or 12 months.
        
     
    
        
            Valve Clearance Check:
        
        
            Recommended every 1200 miles (2000 km) or 12 months, crucial for engine performance and longevity.
        
     
    
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 hydraulic brake fluid (specific recommendation in manual).
        
     
    
        
            Coolant Type:
        
        
            Permanent type antifreeze/coolant (ethylene glycol base) mixed with distilled water, typically 50/50 ratio.
        
     
    
    
        
            Carburetor Cleaning:
        
        
            Carburetors can become clogged with sediment or varnish if fuel stabilizer isn't used during storage, requiring cleaning and adjustment.
        
     
    
        
            Cvt Belt Wear:
        
        
            CVT drive belts can wear over time and require replacement; proper belt tension and alignment are critical.
        
     
    
        
            Throttle Cable Adjustment:
        
        
            Throttle cable can stretch or require adjustment to ensure full throttle opening and smooth operation.
        
     
 
    
    
    
        
            Suzuki Atv History:
        
        
            Suzuki has a long-standing reputation for producing durable and high-performing ATVs, with the KingQuad line being a flagship model.
        
     
    
    
        
            Kingquad Development:
        
        
            The LT-A400/F400 KingQuad represents an evolution of Suzuki's utility ATV platform, building on success and incorporating refinements for improved performance and comfort.
        
     
    
    
        
            Manufacturing Location:
        
        
            Primarily manufactured in Japan by Suzuki Motor Corporation.