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.
Model:
LT-A400 / LT-A400F
Model Alias:
King Quad 400
Product Type:
Factory Service Repair Manual
Generation Identifier:
First Generation
Chassis Codes:
LT-A400, LT-A400F
Target Audience:
Suzuki LT-A400/LT-A400F owners (DIY mechanics and those who want to understand their vehicle better)
Comparison To Alternatives:
Directly contrasts with 3rd party manuals, emphasizing its 'Actual Genuine Repair Service Factory Manual' status for superior accuracy and completeness.
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.
Model Years Covered:
2007, 2008, 2009
Estimated Page Count:
Hundreds of pages (specific count not provided, but described as 'complete official full factory service repair manual')
Manual Type:
Factory Service Repair Manual
Delivery Format:
PDF Download
Printability:
Printable without restriction
Software Requirements:
Adobe PDF Reader
Source Authenticity:
Actual Genuine Repair Service Factory Manuals (NOT 3rd party)
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
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 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
Print Quality:
High resolution
Binding:
N/A (Downloadable PDF)
Paper Type:
N/A (Downloadable PDF - printable on user's choice of paper)
Engine Type:
Single-cylinder, 4-stroke
Engine Displacement:
376 cc (actual cc based on Suzuki's naming convention for this model)
Cooling System:
Liquid-cooled (implied by system coverage)
Fuel Delivery:
Carburetor (typical for this era and model, detailed in manual)
Fuel Type:
Unleaded gasoline
Transmission Type:
Automatic (Continuously Variable Transmission - CVT)
Drive System:
Shaft drive (2WD/4WD selectable, often with differential lock)
Curb Weight:
Approximately 650-670 lbs (specific to 2WD/4WD variants, detailed in manual)
Safety Standards:
N/A (ATV, not subject to automotive safety ratings)
Braking System:
Hydraulic disc brakes (front and rear), often with parking brake mechanism
Infotainment System:
N/A (Utility ATV focused, typically no complex infotainment)
Electronic Aids:
Limited electronic aids, focus is on mechanical systems. Some models may feature selectable 2WD/4WD and differential lock.
Connectivity Features:
N/A
Oil Change Interval:
Typically every 1,000 km or 6 months (refer to manual for exact specifications and severe service intervals)
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)
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)
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 connection corrosion or failure in harsh environments, addressed by detailed wiring diagrams in the manual.
Cooling System Maintenance:
Regular flushing and replacement of coolant to prevent overheating and corrosion.
Manufacturer History:
Suzuki has a long-standing reputation for producing reliable and capable ATVs, with a focus on practical performance and durability.
Lt-A400 Lineage:
The LT-A400/F series builds upon Suzuki's experience in the mid-size utility ATV segment, offering a balance of power, comfort, and utility.
Production Location:
Typically manufactured in Japan or through Suzuki's global production networks.
Industry Awards:
Not specifically mentioned for these model years, but Suzuki ATVs generally receive positive reviews for their utility and reliability.
