🏷️ Basic Information Identification Make: Suzuki Model: LT-Z90 QuadSport Year Range: 2007-2009 Vehicle Type: ATV (All-Terrain Vehicle) Codes Model Code General: LT-Z90 👋 Introduction Market Position Target User: Youth/beginner ATV riders, recreational users. Suzuki Brand Focus: Suzuki's reputation for reliable and user-friendly off-road vehicles. Competitive Analysis Competitors: Honda TRX90X, Yamaha Raptor 90, Polaris Outlaw 90. Key Selling Points: Ease of use, approachable power, durability. Key Features Vehicle Purpose: Recreational trail riding, learning basic ATV operation. Manual Value Proposition: Empowers owners to perform maintenance and repairs, saving on professional service costs. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance and Refurbishment Page Count Estimated Pages: Hundreds (specific count not provided, but described as extensive) Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF (Downloadable) 📖 Manual Coverage Systems Covered Engine: Detailed engine overhaul, inspection, and repair procedures. Fuel System: Carburetor tuning, fuel lines, fuel pump, and fuel tank maintenance. Ignition System: Ignition coil, spark plug, CDI unit, and wiring diagnostics. Transmission Drivetrain: Automatic transmission operation, maintenance, and repair. Suspension: Front and rear suspension component inspection, adjustment, and replacement. Brakes: Brake system overhaul, pad/shoe replacement, fluid bleeding, and caliper service. Steering: Steering linkage, tie rods, and handlebar assembly maintenance. Electrical System: Wiring diagrams, lighting system, battery, starter, and charging system. Cooling System: Air cooling system maintenance and component checks. Chassis Frame: Frame inspection and integrity checks. Bodywork Trim: Plastic body panels, seat, and fender maintenance/repair. Procedures Included Routine Maintenance: Oil changes, filter replacements, chain lubrication, and general inspections. Troubleshooting: Diagnostic procedures for common and uncommon faults. Rebuilds: Detailed step-by-step instructions for major component rebuilds (e.g., engine, transmission). Repairs: Specific repair instructions for virtually all vehicle systems. Adjustments: Carburetor, throttle, and brake lever adjustments. Disassembly Assembly: Complete guidance on dismantling and reassembling all major components. Technical Depth Depth: Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts. Detail Level: Includes torque specifications, clearances, and detailed diagnostic flowcharts. 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable, allowing quick access to specific information. Print Quality Quality: High-resolution scans suitable for printing. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, SOHC, Air-cooled Displacement: 89 cc Bore X Stroke: Not explicitly stated, but typical for 89cc SOHC air-cooled engines. Compression Ratio: Not explicitly stated, but common ranges exist for this class. Performance Horsepower: Estimated 7-8 HP (typical for class, specific figures not in product description). Torque: Estimated 5-6 lb-ft (typical for class, specific figures not in product description). Fuel System Fuel Delivery: Carburetor (likely Mikuni VM type). Carburetor Model: Likely a 20mm Mikuni carburetor (specific model number may be in manual). Fuel Type: Unleaded Gasoline Fuel Tank Capacity: Approximately 2.5 Liters (6.6 US qt). Ignition System Ignition Type: CDI (Capacitor Discharge Ignition) Spark Plug Type: NGK CR6HSA (typical, verify in manual). 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) with Reverse Optional Optional Transmission: N/A Features Drive System: Chain Drive Gear Selection: Forward, Neutral, Reverse Clutch Type: Automatic Wet Multi-Plate Clutch 📐 Dimensions Exterior Overall Length: Approximately 1530 mm (60.2 in) Overall Width: Approximately 975 mm (38.4 in) Overall Height: Approximately 970 mm (38.2 in) Wheelbase: Approximately 1050 mm (41.3 in) Ground Clearance: Approximately 115 mm (4.5 in) Weights Dry Weight: Approximately 111 kg (245 lbs) Curb Weight: Not explicitly stated, but higher than dry weight. Max Load Capacity: Not explicitly stated, but typically designed for a single rider. Cargo Rack Capacity Front: Not specified, but typically limited for this class. Rack Capacity Rear: Not specified, but typically limited for this class. 🛡️ Safety Features Ratings Safety Certification: Meets ANSI/SVIA standards for recreational ATVs (implied). Active Features Throttle Limiter: Adjustable throttle limiter screw for parental control. Parking Brake: Mechanical parking brake. Passive Features Lighting: Headlight, taillight/stoplight. Body Protection: Full floorboards, handlebar guards. 💡 Technology Features Infotainment Infotainment System: N/A (Basic recreational ATV). Driver Assistance Driver Assistance Features: None (Basic recreational ATV). Connectivity Connectivity Features: N/A (Basic recreational ATV). 🔧 Maintenance Service Intervals Engine Oil Change: Every 100 hours or annually (typical for ATVs, confirm in manual). Air Filter Cleaning: Every 20 hours or as needed in dusty conditions (typical). Spark Plug Replacement: Annually or every 100 hours (typical). Chain Lubrication Adjustment: Every 10 hours or after washing/riding in wet conditions (typical). Fluid Specifications Engine Oil Type: SAE 10W-40 API SG or higher (typical, verify in manual). Engine Oil Capacity: Approximately 1.0 Liters (1.1 US qt) without filter change, 1.1 Liters (1.2 US qt) with filter change (typical, verify in manual). Brake Fluid Type: DOT 3 or DOT 4 (typical, verify in manual). Final Drive Oil Type: Likely a specific gear oil, e.g., SAE 80W GL-4 (verify in manual). Known Issues Common Wear Items: Brake pads, tires, drive chain and sprockets, air filter....