🏷️ Basic Information Identification Make: Suzuki Model: QuadSport Z400 Model Nickname: LT-Z400 Vehicle Type: ATV (All-Terrain Vehicle) Generation Generation Code: K8-L2 Codes Chassis Code: LT-Z400 👋 Introduction Market Position Segment: Sport ATV Target Audience: Enthusiasts seeking high performance, trail riders, recreational riders Competitive Analysis Key Competitors: Yamaha Warrior/Raptor, Honda TRX, Kawasaki KFX Key Features Atv Philosophy: Designed for agility, power, and rider comfort in off-road conditions. Manual Value Proposition: Enables owners to perform comprehensive maintenance and repairs, saving on labor costs and maximizing vehicle lifespan. 📋 Manual Details Coverage Areas Years Covered: 2008, 2009, 2010, 2011, 2012 Page Count Total Pages: 492 Manual Type Type: Workshop Service Manual Purpose: Repair and Maintenance Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnostics, timing, lubrication, cooling Fuel System: Carburetor tuning, fuel pump, fuel filter replacement, fuel tank maintenance Transmission: Clutch service, gear inspection, shift mechanism repair, oil changes Drivetrain: Chain drive, sprockets, axle maintenance, differential service Suspension: Front and rear suspension components, shock absorber adjustment and replacement, steering linkage Brakes: Hydraulic system, brake pad replacement, caliper service, rotor inspection, bleeding procedure Electrical System: Battery, charging system (stator, regulator/rectifier), ignition system, starter motor, lighting, wiring diagrams Cooling System: Radiator, fan, coolant flushing, thermostat replacement Frame And Bodywork: Chassis inspection, panel removal and installation, seat, handlebar, footpeg maintenance Procedures Included Maintenance: Regular service checks, oil changes, filter replacements, lubrication points Troubleshooting: Diagnostic charts for common problems, symptom-based solutions Repair: Detailed step-by-step instructions for component overhaul and replacement Disassembly And Assembly: Complete procedures for engine, transmission, and chassis components Torque Specifications: Precise torque values for all critical fasteners Wiring Diagrams: Comprehensive electrical system schematics Technical Depth Depth: Comprehensive, covering from basic user maintenance to full engine rebuilds and complex electrical diagnostics. 📊 Manual Specifications File Format File Type: PDF Searchable: Yes Print Quality Quality: High-resolution for clear diagrams and text Binding Type Type: Digital Download (PDF) Paper Type Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code: F397 Engine Type: 4-stroke, Single-cylinder, DOHC, 4-valve Displacement: 376 cc Bore X Stroke: 88.0 mm x 70.1 mm Cooling System: Liquid-cooled Performance Horsepower Estimated: ~30 HP Torque Estimated: ~24 lb-ft Fuel System Fuel Delivery: Mikuni BSR36 carburetor Fuel Type: Unleaded gasoline Fuel Tank Capacity: 2.6 US gal (9.8 L) Lubrication Oil Type: SAE 10W-40 API SG or higher Oil Capacity With Filter: 1.8 US qt (1.7 L) 🔧 Transmission Standard Transmission Type: 5-speed manual with reverse Features Clutch Type: Wet multi-plate Drive: 2WD Final Drive: O-ring sealed chain, Drive sprocket, Rear axle, Pinion sprocket Fluid Specifications Transmission Oil Type: SAE 80W API GL-4 Fluid Capacity Transmission Oil Capacity: 0.8 US qt (0.75 L) 📐 Dimensions Exterior Overall Length: 70.9 in (1800 mm) Overall Width: 41.9 in (1065 mm) Overall Height: 43.9 in (1115 mm) Wheelbase: 49.4 in (1255 mm) Ground Clearance: 10.2 in (260 mm) Weights Dry Weight: 375 lbs (170 kg) Curb Weight: 393 lbs (178 kg) 🛡️ Safety Features Ratings Crash Test Info: N/A (ATV, typically not crash-tested by agencies like NHTSA) Active Features Braking System: Front: Dual hydraulic disc; Rear: Single hydraulic disc Passive Features Lighting: Halogen headlights, LED taillight/brake light Operator Protection: Handlebar controls, footwells, throttle limiter (adjustable) 💡 Technology Features Infotainment System: N/A (Focus on performance, not infotainment) Driver Assistance Features: N/A (Designed for manual control and rider input) Connectivity Features: N/A Engine Management System: CDI (Capacitor Discharge Ignition) 🔧 Maintenance Service Intervals Engine Oil Change: Every 1000 km (600 miles) or 6 months, whichever comes first. Inspect more frequently under severe use. Air Filter Cleaning: Every 1000 km (600 miles) or more often in dusty conditions. Spark Plug Replacement: Every 4000 km (2500 miles) or as needed. Check gap at 1000 km. Chain Lubrication And Tension: Every 500 km (300 miles). Fluid Specifications Engine Oil Recommendation: Suzuki Genuine 4-stroke Motorcycle Oil (10W-40) or equivalent meeting API SG or higher. Coolant Type: Suzuki Super Long Life Coolant (50% solution) or equivalent ethylene glycol-based antifreeze. Brake Fluid Type: DOT 3 or DOT 4 brake fluid. Known Issues Common Problems: Potential carburetor jetting issues at higher altitudes, wear on chain and sprockets, occasional electrical connector corrosion. Common Solutions: Re-jetting carburetor for altitude, regular chain maintenance, dielectric grease on electrical connections. 📚 Vehicle History Brand Heritage Manufacturer Origin: Japan Specialization: Known for reliable and performance-oriented motorcycles and ATVs. Model Evolution Lineage: Successor to earlier LT-Z models, built on a proven platform. Key Updates In Period: Refinements to suspension, ergonomics, and potentially minor engine tuning. Production Manufacturing Location: Japan (primarily) 🏆 Awards & Recognition Recognitions Industry Acclaim: Consistently praised for its handling, power delivery, and reliability in the sport ATV segment. Ratings Review Scores: Highly rated by ATV publications for its performance-to-value ratio.