This workshop service manual covers the King Quad 450, model code LTA450X, from the First Generation, produced for the model years 2007, 2008, and 2009. As a high-performance utility ATV, the King Quad 450 is recognized for its robust chassis, powerful 449cc liquid-cooled engine, selectable 2WD/4WD system, and independent suspension, making it a capable machine for various off-road applications. Building on legacy in utility vehicles, this model offers a blend of ruggedness and performance, competing with other leading ATVs in its class. This comprehensive 529-page English language workshop service manual provides detailed, step-by-step instructions for the maintenance, troubleshooting, and repair of the King Quad 450. It covers all major systems, including the engine mechanicals, fuel, ignition, cooling, transmission, brakes, suspension, steering, and electrical systems. The manual includes essential information such as routine maintenance procedures, diagnostic guides, wiring diagrams, tightening torques, and specifications for special tools, ensuring that owners and technicians can effectively maintain and repair the vehicle to optimal working condition. 🏷️ Basic Information Identification Make: Suzuki Model: King Quad 450 Model Codes: LTA450X Generation Generation Name: First Generation Codes Vin Prefix: JS1 👋 Introduction Market Position Segment: High-performance utility ATV Competitive Analysis Competitors: Yamaha Grizzly, Polaris Sportsman, Can-Am Outlander Key Features Features Highlight: Robust chassis, powerful engine, selectable 2WD/4WD, independent suspension, fuel injection (on some variants). 📋 Manual Details Coverage Areas Years Covered: 2007, 2008, 2009 Page Count Total Pages: 529 Manual Type Type: Workshop Service Manual Language Language: English Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly, assembly, inspection, repair of engine components. Fuel System: Fuel pump, injectors, fuel tank, lines, and emissions control systems. Ignition System: Ignition coils, spark plugs, ECU diagnosis and testing. Cooling System: Radiator, fan, water pump, coolant flow, thermostat. Transmission Drivetrain: Automatic transmission (CVT), gearboxes, differentials, driveshafts, CV joints. Brakes: Hydraulic brake system, calipers, master cylinder, lines, bleeding procedures. Suspension: Front and rear suspension, shocks, springs, control arms, steering knuckles. Steering: Steering column, tie rods, steering rack, power steering components (if applicable). Electrical System: Battery, charging system, starting system, lighting, wiring diagrams, fuses, relays. Body Chassis: Frame, body panels, seats, handlebars, fenders, storage compartments. Wheels Tires: Wheel specifications, tire pressure recommendations, mounting. Procedures Included Maintenance: Routine maintenance, lubrication, filter replacement, fluid checks. Troubleshooting: Diagnostic procedures for various systems, common problems and solutions. Repair: Step-by-step instructions for component repair and replacement. Disassembly Assembly: Detailed guidance on taking apart and reassembling vehicle components. Adjustments: Precise instructions for component adjustments, including critical settings. Wiring Diagrams: Comprehensive electrical wiring schematics for all systems. Tightening Torques: Specific torque values for all threaded fasteners during assembly. Special Tools: Identification and usage instructions for specialized service tools. Technical Depth Depth Level: Comprehensive Workshop Level Detail Level: Bumper-to-bumper, detailed step-by-step procedures, pictorial diagrams, exploded views. 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: Yes, all pages are printable. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Compatibility Operating Systems: Windows, Mac, Linux OS Requirements Software Requirement: Adobe Reader ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, liquid-cooled, SOHC Engine Displacement: 449 cc Bore X Stroke: 94.0 mm x 64.5 mm Compression Ratio: 9.3 : 1 Performance Horsepower Estimate: Approx. 30-35 HP (subject to variation) Fuel System Fuel Delivery: Fuel Injection (specific models/years, likely Throttle Body Injection - TBI) Fuel Tank Capacity: 17.5 L (4.6 gal) 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Optional Transmission Options: N/A (CVT is standard) Features Gear Selection: High, Low, Reverse, Neutral, Park Drive Modes: Selectable 2WD/4WD Drive Type: Shaft Drive 📐 Dimensions Exterior Length: 2130 mm (83.9 in) Width: 1140 mm (44.9 in) Height: 1140 mm (44.9 in) Weights Dry Weight: 263 kg (580 lbs) Ground Clearance: 260 mm (10.2 in) Wheelbase: 1280 mm (50.4 in) 🛡️ Safety Features Ratings Atv Safety Standards: Meets ANSI/SVIA requirements Active Features Braking System: Hydraulic disc brakes front and rear Lighting: Dual Halogen headlights, LED taillight/brakelight Passive Features Chassis Design: High-tensile steel frame for durability 💡 Technology Features Infotainment Infotainment System: N/A (Basic ATV with analogue/digital dash displays) Driver Assistance Electronic Aids: Selectable 2WD/4WD, engine braking. Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific intervals (typically every 3,000-5,000 km or annually). Spark Plug Replacement: Refer to manual (often around 10,000-20,000 km). Fluid Specifications Engine Oil Type: Suzuki recommends API SG, SF or SE type SAE 10W-40 viscosity oil. Verify with manual for exact spec (e.g., Suzuki Genuine Oil or equivalent JASO MA certified). Engine Oil Capacity: Refer to manual for exact capacity with filter change (typically around 2.5-3.0 L). Coolant Type: Ethylene glycol-based antifreeze/coolant with water (50/50 mix). Refer to manual for specific Suzuki approved coolant. Brake Fluid Type: DOT 3 or DOT 4 hydraulic brake fluid. Known Issues Common Problems: CVT belt wear,...