🏷️ Basic Information Identification Make: Suzuki Model: LT-Z50 QuadSport Model Nickname: QuadSport 50 Codes Product Code Identifier: LT-Z50 👋 Introduction Market Position Target Audience: Entry-level youth ATV riders and their parents/guardians responsible for maintenance and repair. Segment: Youth ATV Competitive Analysis Key Competitors: Honda TRX90X, Yamaha YFM90R, Polaris Sportsman 90. Key Features Vehicle Focus: Designed for young riders, emphasizing ease of use, safety features, and reliable performance. Manual Value Proposition: Empowers owners and technicians with the precise information needed for proper upkeep and repair, reducing reliance on dealerships for routine tasks and diagnostics. 📋 Manual Details Coverage Areas Applicable Years: 2004, 2005, 2006, 2007, 2008, 2009 Page Count Estimated Pages: 200-300 Manual Type Type: Factory Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete engine teardown, inspection, repair, and reassembly including cylinder, piston, crankshaft, camshaft, valve train, and lubrication system. Fuel System: Carburetor (keihin), fuel tank, fuel lines, fuel filter maintenance, adjustment, and troubleshooting. Ignition System: CDI ignition system, spark plug, ignition coil, timing inspection and adjustment. Drive Train: Automatic centrifugal clutch, CVT transmission operation, gear reduction, chain drive lubrication and adjustment. Electrical System: Wiring diagrams, battery, starter motor, lighting system, charging system (stator), and troubleshooting. Suspension: Front and rear suspension components, shock absorbers, spring replacement, and geometry adjustments. Braking System: Front and rear drum brake systems, brake shoe replacement, cable adjustment, and hydraulic system (if applicable). Steering System: Handlebar, steering column, tie rods, and steering knuckles inspection and adjustment. Frame And Bodywork: Chassis components, body panel removal and installation, seat, fenders, and protective guards. Procedures Included Routine Maintenance: Oil changes, filter replacement, spark plug inspection, chain lubrication, tire pressure checks, and general inspection procedures. Troubleshooting: Diagnostic charts and procedures for common starting issues, performance problems, and system malfunctions. Repair Procedures: Step-by-step instructions for disassembly, component replacement, and reassembly for all major systems. Specifications And Tolerances: Detailed technical specifications, torque values, clearances, and measurement tolerances for critical components. Wiring Diagrams: Complete, easy-to-read electrical wiring schematics for all model years covered. Technical Depth Depth: Comprehensive factory-level detail suitable for both novice mechanics and experienced technicians. 📊 Manual Specifications File Format Quality: High-resolution, searchable PDF with clear text and images. Print Quality Printability: Printable pages for easy workshop use. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, SOHC, Air-cooled Displacement: 49cc Bore X Stroke: 39.0 mm x 41.5 mm Compression Ratio: 9.5:1 Performance Horsepower Approximate: 3.1 HP @ 7,000 rpm (subject to regional regulations) Torque Approximate: 3.2 Nm @ 5,000 rpm (subject to regional regulations) Fuel System Fuel Delivery: Keihin VM10/1 carburetor Fuel Tank Capacity: 2.0 L (0.5 gal) Lubrication Oil Type: SAE 10W-40 API SE, SF, SG or higher Oil Capacity With Filter Change: 0.8 L (0.85 US qt) 🔧 Transmission Standard Type: Automatic centrifugal clutch with CVT (Continuously Variable Transmission) Drive Method: O-ring sealed chain, 25H, 94 links Features Gear Reduction Ratio: 9.060 (21/8 x 18/7) 📐 Dimensions Exterior Overall Length: 1,450 mm (57.1 in) Overall Width: 810 mm (31.9 in) Overall Height: 910 mm (35.8 in) Wheelbase: 970 mm (38.2 in) Weights Curb Weight: 70 kg (154.3 lbs) Gross Vehicle Weight Rating Gvwr: 132 kg (291 lbs) (includes rider, accessories, and cargo) Wheels Tires Front Tire Size: AT16 x 7-7 Rear Tire Size: AT16 x 7-7 Suspension Travel Front Suspension Travel: 70 mm (2.8 in) Rear Suspension Travel: 70 mm (2.8 in) 🛡️ Safety Features Ratings Safety Standards: Designed to meet ASTM F2088, F2218, F1906, F1306, F1203, F1712, F2093, F2346 and ANSI B71.9 standards (check local regulations). Active Features Throttle Limiter: Adjustable throttle limiter screw for controlled speed. Tether Cord: Optional electronic tether cord system (often dealer-installed or aftermarket). Passive Features Footwells: Full floorboards for rider foot protection. Chain Guard: Enclosed chain drive for safety. Bumper: Front bumper for protection. 💡 Technology Features Infotainment Infotainment System: N/A (Basic youth ATV, no electronic infotainment features) Driver Assistance Driver Assistance Features: N/A (Focus on basic mechanical controls) Connectivity Connectivity Options: N/A 🔧 Maintenance Service Intervals Engine Oil Change: Every 3 months or 50 hours of operation, whichever comes first. Air Filter Cleaning: Every 1 month or 25 hours of operation; clean and re-oil more frequently in dusty conditions. Spark Plug Inspection: Every 6 months or 100 hours of operation. Drive Chain Lubrication: Every 2 weeks or 10 hours of operation, and after washing the ATV. Brake Adjustment: As needed, check for proper free play. Fluid Specifications Engine Oil Viscosity: SAE 10W-40 Engine Oil Standard: API SE, SF, SG, SH, SJ, SL or SMA Brake Fluid: DOT 3 or DOT 4 (check specific markings on reservoir if applicable, generally drum brakes so less critical than hydraulic) Known Issues Carburetor Issues: Clogging of the small pilot jet due to fuel varnish...