The LT-Z400 Quad Sport, produced for the 2009 through 2012 model years, is a highly regarded All Terrain Vehicle celebrated for its potent blend of performance, agile handling, and enduring reliability. This sport ATV, powered by a liquid-cooled, 398cc single-cylinder engine and featuring a 5-speed manual transmission with reverse, has earned its place in the competitive sport ATV segment. Its robust engineering and approachable yet capable performance make it a favored choice for recreational riding and off-road enthusiasts seeking a dependable and exhilarating machine. This comprehensive workshop service and repair manual provides detailed guidance for all aspects of the LT-Z400 Quad Sport. It covers essential maintenance procedures, from routine oil changes and filter replacements to in-depth component overhauls and complex diagnostic troubleshooting for all models, engines, trims, and transmission types. With step-by-step instructions, detailed illustrations, and critical technical specifications, this manual is an indispensable resource for owners, mechanics, and technicians aiming to maintain, repair, and optimize the performance and longevity of their LT-Z400. 🏷️ Basic Information Identification Make: Suzuki Model: LT-Z400 Quad Sport Vehicle Type: All Terrain Vehicle (ATV) Product Type: Workshop Service Repair Manual Product Format: PDF Download Covered Years: 2009, 2010, 2011, 2012 Manual Language: English 👋 Introduction Market Position Positioning: The Suzuki LT-Z400 Quad Sport is a highly regarded sport ATV known for its performance, handling, and reliability. This manual targets owners and independent repair shops looking to perform comprehensive maintenance and repairs. Competitive Analysis Competitors: Competes with models like the Yamaha YFZ450, Kawasaki KFX450R, and Honda TRX450R in the performance sport ATV segment. Key Features Manual Value Proposition: Enables significant cost savings on repairs by empowering users to perform their own maintenance and repairs with professional guidance. Ease Of Use: Designed with clear, step-by-step instructions and illustrations for user-friendliness. 📋 Manual Details Coverage Areas Comprehensive Coverage: Yes Model Variants Covered: All Models, Engines, Trim, and Transmission Types Page Count Estimated Page Count: Refer to actual downloaded PDF (typically 300+ pages for this level of detail) Manual Type Manual Type: Complete Workshop Service and Repair Manual Format File Format: PDF Accessibility: Downloadable to PC, MAC, Tablets, Smartphones Software Requirement: Adobe Reader (free download available) 📖 Manual Coverage Systems Covered Engine System: Complete overhaul, assembly, disassembly, tuning, diagnostics Fuel System: Carburetor tuning and rebuilding, fuel pump, fuel lines, fuel tank Ignition System: CDI unit, spark plugs, ignition timing, coil testing Cooling System: Radiator, fan, hoses, coolant types and capacities Exhaust System: Muffler, exhaust pipe, gaskets, inspection Transmission System: Clutch operation, gear shifting, maintenance, troubleshooting Drivetrain System: Chain drive, sprockets, axle, wheel hubs, maintenance Suspension System: Front and rear shocks, A-arms, bushings, adjustment, lubrication Braking System: Hydraulic brake system, calipers, master cylinder, brake pads, fluid types and bleeding procedures Steering System: Handlebars, steering stem, tie rods, lubrication, adjustment Electrical System: Wiring diagrams, battery, starter, lighting, charging system, fuses Body And Frame: Plastics, seat, body panels, frame inspection and repair Procedures Included Troubleshooting Guides: Extensive diagnostics for common and uncommon problems Routine Maintenance: Oil changes, filter replacements, chain adjustments, lubrication points Component Overhaul: Complete engine, transmission, and suspension rebuild procedures Part Replacement: Step-by-step guides for replacing all major and minor components Specifications Data: Torque values, clearances, tolerances, fluid capacities Technical Depth Depth: Comprehensive from basic maintenance to full engine rebuilds and complex diagnostics Visual Aids: Step-by-step instructions with detailed pictures and diagrams 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text within the PDF Print Quality Printability: Full print capability (single page, chapter, or entire manual) Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, DOHC, 4-valve, liquid-cooled single-cylinder Displacement: 398 cc (24.3 cu in) Bore X Stroke: 90.0 mm x 78.0 mm (3.54 in x 3.07 in) Compression Ratio: 11.3:1 Performance Horsepower Estimate: Approx. 40-45 HP (variations by specific model year and tuning) Torque Estimate: Approx. 30-35 lb-ft (variations by specific model year and tuning) Fuel System Carburetor: Mikuni BSR36, single Fuel Capacity: 2.6 US gal (9.8 L) Lubrication Oil Type: API SG or SH, SAE 10W-40, JASO MA Oil Capacity With Filter: 1.7 US qt (1.6 L) Starting System Starter: Electric starter 🔧 Transmission Standard Transmission Type: 5-speed manual with reverse Features Clutch: Wet multi-plate Fluid Type Transmission Oil: SAE 80 API GL-4 Fluid Capacity Transmission Oil Capacity: 0.7 US qt (0.7 L) 📐 Dimensions Exterior Overall Length: 71.3 in (1810 mm) Overall Width: 41.3 in (1050 mm) Overall Height: 40.4 in (1025 mm) Wheelbase: 49.2 in (1250 mm) Ground Clearance: 4.4 in (112 mm) Weights Dry Weight: 397 lbs (180 kg) Curb Weight: 412 lbs (187 kg) 🛡️ Safety Features Ratings Safety Features: ATVs are designed for off-road use and require protective gear. Manual covers safe operating procedures and pre-ride inspections. Active Features Braking System Type: Hydraulic disc brakes, front and rear...