Welcome to the comprehensive guide for the LT-A450X KingQuad, a high-performance utility ATV produced from 2007 to 2009. Engineered for riders seeking robust capability and reliability, this first-generation KingQuad model boasts a powerful 448cc liquid-cooled engine with advanced fuel injection, a versatile QuadMatic automatic transmission with engine braking, and independent rear suspension. Its durable chassis, selectable 2WD/4WD system, and ample cargo capacity make it an ideal companion for both demanding work tasks and recreational adventures, positioning it as a strong contender in the utility ATV market. This service repair manual provides detailed information essential for maintaining and repairing your LT-A450X KingQuad across the 2007, 2008, and 2009 model years. It covers a wide array of critical systems, including general information, periodic maintenance schedules, engine, drivetrain, fuel injection, cooling, lubrication, chassis, and electrical systems, along with emission control information. With step-by-step instructions, exploded views, and diagnostic procedures, this manual serves as an invaluable resource for DIY enthusiasts, professional technicians, and mechanics to ensure optimal performance and longevity of the vehicle. 🏷️ Basic Information Identification Make: Suzuki Model: LT-A450X KingQuad Generation: First Generation Production Years: 2007-2009 Codes Chassis Code: ATV 👋 Introduction Market Position Positioning: High-performance utility ATV catering to riders seeking power, capability, and reliability for work and recreation. Competitive Analysis Competitors: Polaris Sportsman, Arctic Cat 500/550, Yamaha Grizzly 450, Kawasaki Brute Force 450. Key Features Features: Powerful 450cc engine, Suzuki's advanced fuel injection, QuadMatic automatic transmission, independent rear suspension, robust chassis, selectable 2WD/4WD, electric power steering (on some models). 📋 Manual Details Coverage Areas Vehicle Years Covered: 2007, 2008, 2009 Vehicle Models Covered: LT-A450X KingQuad Page Count Estimated Page Count: Varies, potentially up to 3000 MB file size suggests extensive detail. Manual Type Type: Service Repair Manual / Workshop Manual / Factory Manual Target Audience: DIY enthusiasts, professional technicians, mechanics, and workshops. Language Language: English (assumed based on description) Format Format: PDF Download File Format Accessibility: Compatible with Windows, Linux, and Mac operating systems. Readable with any PDF reader. 📖 Manual Coverage Systems Covered Systems: General Information, Periodic Maintenance, Engine, Drivetrain, Fuel Injection (FI) System Diagnosis, Fuel System, Throttle Body, Cooling System, Lubrication System, Chassis, Electrical System, Emission Control Information. Electrical System Details: Wiring diagrams, battery, ignition system, lighting, starter system, charging system, fuses, relays. Procedures Included Procedures: Repair, Service, Restoration, Maintenance, Rebuilding, Diagnosis, Troubleshooting. Diagnostic Procedures: FI system diagnosis, error code interpretation, troubleshooting flowcharts. Technical Depth Depth: Comprehensive, step-by-step instructions, detailed component breakdowns, exploded views, troubleshooting guidance. 📊 Manual Specifications File Format File Type: PDF, potentially zipped (.zip, .rar) or executable (.exe) Print Quality Printable: Yes, printable from any computer and printer. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, 4-valve, liquid-cooled, single-cylinder Displacement: 448cc (27.3 cubic inches) Performance Bore X Stroke: 94.0 mm x 64.2 mm (3.70 in x 2.53 in) Compression Ratio: 9.3:1 Horsepower Estimate: Approximately 28-30 HP (actual figures may vary and are not explicitly stated in product info). Torque Estimate: Approximately 28-30 lb-ft (actual figures may vary and are not explicitly stated in product info). Fuel System Fuel Delivery: Suzuki Fuel Injection (SFI) with 36mm throttle body Fuel Type: Unleaded gasoline Lubrication System Oil Type: API SG/SH/SJ or JASO MA certified 4-stroke engine oil (e.g., Suzuki Premium Engine Oil 10W-40) Cooling System Coolant Type: Ethylene glycol based antifreeze coolant (50% solution) 🔧 Transmission Standard Transmission Type: Suzuki's QuadMatic™ CVT (Continuously Variable Transmission) with Engine Braking Gear Selection: Hi, Lo, Neutral, Reverse, Park Features Drive System: Shaft drive, selectable 2WD/4WD with torque sensor and lockable front differential. Transmission Fluid: Refer to manual for specific type (likely SAE 80W-90 gear oil for final drive and specific CVT fluid). 📐 Dimensions Exterior Overall Length: 2,085 mm (82.1 in) Overall Width: 1,130 mm (44.5 in) Overall Height: 1,165 mm (45.9 in) Wheelbase: 1,285 mm (50.6 in) Weights Dry Weight: 283 kg (624 lbs) Fuel Capacity: 16.0 L (4.2 US gal) Towing Capacity: Typically rated at 600 kg (1322 lbs) for braked trailers, refer to manual for specific rating. Cargo Front Rack Capacity: 45 kg (99 lbs) Rear Rack Capacity: 85 kg (187 lbs) 🛡️ Safety Features Ratings Rollover Protection: N/A (ATV design) Active Features Braking System: Hydraulic disc brakes front and rear. Parking Brake: Mechanical, drum type on rear drive shaft. Passive Features Lighting: Dual 30W headlights, 15W taillight/stoplight. Tires: Front: AT25x8-12, Rear: AT25x10-12 💡 Technology Features Infotainment Infotainment System: Basic digital display for odometer, trip meter, fuel gauge, clock, 2WD/4WD indicator, gear position indicator (if equipped), and engine warning light. Driver Assistance Electronic Power Steering: Available on some higher trim levels or as an option, significantly reducing steering effort. Connectivity Battery System: 12V battery, typically 12Ah capacity. 🔧 Maintenance Service Intervals Oil Change Interval: Every 1000 km or 6 months (refer to manual for...