🏷️ Basic Information Identification Make: Suzuki Model: LTZ400 QUAD SPORT Model Code: LT-Z400 Product Name: Suzuki LTZ400 LT Z400 QUAD SPORT Service Repair Manual PDF 2009-2010 Download Generation Generation Designation: Third Generation Codes Vin Code: JS1 👋 Introduction Market Position Product Category: High-performance Sport ATV Target Audience: Enthusiasts, racers, recreational riders, mechanics Competitive Analysis Key Competitors: Yamaha YFZ450, Honda TRX450R, Kawasaki KFX450R Key Features Manual Utility: Provides the technical knowledge necessary for DIY maintenance and repair, reducing labor costs and downtime. Manual Value Proposition: Essential for owners seeking to maintain, repair, or restore their LTZ400 to peak performance. 📋 Manual Details Coverage Areas Model Years Covered: 2009, 2010 Regions Covered: North America, Europe, Global Page Count Estimated Page Count: Hundreds Manual Type Manual Type: Service Repair Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Engine System: Full coverage of engine assembly, disassembly, inspection, and repair Fuel System: Carburetor tuning, fuel pump, fuel lines, fuel tank maintenance Ignition System: CDI, ignition coil, spark plug diagnosis and replacement Cooling System: Radiator, cooling fan, coolant flow, thermostat Transmission System: Clutch operation, gear selection, internal transmission components, lubrication Drivetrain: Chain drive, sprockets, rear axle, wheel hub maintenance Suspension System: Front A-arms, rear swingarm, shock absorbers, springs, bushings Brake System: Hydraulic brake system, front and rear calipers, brake lines, master cylinders, brake pads, rotors Electrical System: Wiring diagrams, battery, charging system, lighting, starter motor, switches Steering System: Handlebars, steering stem, tie rods, steering knuckles Chassis Frame: Frame inspection, welds, component mounting points Bodywork Plastics: Body panel removal, installation, and repair Procedures Included Maintenance Procedures: Routine maintenance checks, oil changes, filter replacements, lubrication schedules Troubleshooting Guides: Diagnostic charts and procedures for common problems Repair Procedures: Step-by-step instructions for major and minor component repairs Rebuilding Procedures: Detailed instructions for engine and transmission rebuilds Restoration Guidance: Information applicable to refurbishing older models Torque Specifications: All critical torque values for fasteners and bolts Wiring Diagrams: Comprehensive electrical system schematics Technical Depth Depth Level: Comprehensive (covers everything from basic maintenance to full engine rebuilds) Diagnostic Capabilities: Detailed troubleshooting steps for identifying and resolving issues Component Identification: Clear identification and function of all major components 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text for quick information retrieval Print Quality Print Readability: High-resolution images and clear text for easy printing Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, Liquid-cooled, DOHC, 4-valve, Single-cylinder Engine Displacement: 398 cc (24.3 cu. in.) Bore X Stroke: 90.0 mm x 71.0 mm (3.54 in. x 2.80 in.) Compression Ratio: 11.3:1 Performance Horsepower Estimate: Approximately 40-45 HP (Varies by tuning and exhaust) Torque Estimate: Approximately 26-28 lb-ft (Varies by tuning and exhaust) Fuel System Carburetor: Mikuni BSR36, 36mm, with accelerator pump Fuel Capacity: 2.6 US gal. (9.8 L) Lubrication Oil Type: SAE 10W-40 API SG or higher, JASO MA certified Oil Capacity With Filter: 2.1 US qt. (2.0 L) 🔧 Transmission Standard Transmission Type: Constant mesh, 5-speed sequential Clutch Type: Wet, multi-plate Features Final Drive: O-ring sealed chain, 15T front sprocket, 38T rear sprocket Transmission Fluid Type: SAE 80W API GL-4 📐 Dimensions Exterior Overall Length: 71.1 in. (1805 mm) Overall Width: 45.5 in. (1155 mm) Overall Height: 43.5 in. (1105 mm) Wheelbase: 50.4 in. (1280 mm) Ground Clearance: 9.8 in. (250 mm) Weights Dry Weight: 360 lbs (163 kg) Curb Weight: 379 lbs (172 kg) 🛡️ Safety Features Ratings Safety Classification: Sport ATV (Off-road use only) Active Features Braking System: Hydraulic disc brakes front and rear Passive Features Throttle Limiter: Adjustable throttle stop screw (covered in manual for tuning) 💡 Technology Features Infotainment Infotainment Features: N/A (Sport ATV) Driver Assistance Driver Assistance Systems: N/A (Sport ATV) Connectivity Connectivity Features: N/A (Sport ATV) 🔧 Maintenance Service Intervals Initial Break In Service: Check and adjust valve clearance, change oil and filter at 600 miles (1,000 km) Regular Oil Change: Every 1,200 miles (2,000 km) or 6 months Air Filter Cleaning: Every 600 miles (1,000 km), or more frequently in dusty conditions Chain Lubrication Adjustment: Every 300 miles (500 km) or as needed Valve Clearance Check: Every 1,800 miles (3,000 km) Fluid Specifications Engine Oil Spec: SAE 10W-40 API SG or higher, JASO MA certified Engine Oil Capacity: 2.1 US qt. (2.0 L) with filter change Transmission Oil Spec: SAE 80W API GL-4 Coolant Type: Mixture of ethylene glycol-based coolant and distilled water (50/50 ratio) Known Issues Common Wear Items: Clutch plates, brake pads, wheel bearings, tie rod ends, chain and sprockets Carburetor Tuning Considerations: Accelerator pump function, jetting for altitude and modifications (covered in manual) Cooling System Efficiency: Ensuring proper coolant flow and fan operation is critical for preventing overheating 📚 Vehicle History Brand Heritage Suzuki Atv History: Suzuki has a long-standing reputation for producing reliable and...