This manual covers the Quad Sport, produced for the 2007, 2008, and 2009 model years. Designed as a youth and entry-level sport ATV, the LTZ 90 is recognized for its ease of use, robust construction, and balanced performance suitable for beginner riders and recreational trail use. Its features include an automatic transmission, a throttle limiter for parental control, and a reliable four-stroke, air-cooled engine. The LTZ 90 builds upon an established legacy in the ATV market, offering a durable and accessible platform for younger enthusiasts. This comprehensive service and repair manual provides detailed information essential for the maintenance and upkeep of your Quad Sport. It covers all major systems, including engine mechanicals, fuel, ignition, lubrication, cooling, transmission, drive train, suspension, steering, brakes, electrical systems, body, frame, and wheels. The manual includes step-by-step repair instructions, disassembly and assembly procedures, preventative maintenance schedules, troubleshooting guides, and critical technical specifications such as torque values and fluid requirements. This resource is invaluable for owners and technicians alike, ensuring the longevity and optimal performance of the vehicle. 🏷️ Basic Information Identification Make: Suzuki Model: LTZ 90 Quad Sport Year: 2007-2009 Product Type: Service and Repair Manual Codes Vehicle Code: Likely LT-Z90 for this generation Manual Format Code: PDF Download 👋 Introduction Market Position Category: Youth ATV / Entry-Level Sport ATV Target Audience: Beginner riders, recreational users, younger enthusiasts. Competitive Analysis Competitors: Honda TRX90X/EX, Yamaha YFZ50/Banshee 90 (discontinued), Polaris Outlaw 90. Key Features Ease Of Use: Designed for simplicity of operation and maintenance, automatic transmission. Durability: Suzuki's reputation for robust construction in their ATV line. Performance: Balanced performance for learning and recreational trail riding. 📋 Manual Details Coverage Areas Covered Years: 2007, 2008, 2009 Covered Models: Suzuki LTZ 90 Quad Sport Page Count Estimated Pages: Comprehensive (exact count not specified in product info, typical for service manuals of this type is 200-400 pages) Manual Type Type: Service and Repair Manual Language Language: English (assumed for typical market sales) Format Digital Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, disassembly, assembly, component inspection, cylinder head, piston, crankshaft, camshaft, valve train. Fuel System: Carburetor adjustment and overhaul, fuel lines, fuel pump, fuel tank. Specifics on carburetor model likely present. Ignition System: CDI unit, ignition coil, spark plug, wiring diagrams. Lubrication System: Oil pump, oil filter, oil passages, oil specifications. Cooling System: Air-cooled system design, cooling fins maintenance. Transmission: Automatic transmission (CVT) overhaul, belt inspection and replacement, clutch components, gear inspection. Drive Train: Chain drive system, sprocket inspection and replacement, rear axle assembly. Suspension: Front and rear suspension geometry, shock absorber inspection and replacement, control arms, bushings. Steering: Steering column, tie rods, ball joints, steering knuckles, steering mechanism adjustment. Brakes: Front and rear brake systems (likely drum or disc), brake caliper, brake pads/shoes, brake lines, master cylinder, bleeding procedures. Electrical System: Wiring diagrams, battery maintenance, starter motor, lighting system, fuses, switches, handlebar controls. Body And Frame: Body panel removal and installation, seat, fenders, handle bars, frame inspection. Wheels And Tires: Tire pressure specifications, wheel bearing maintenance, tire replacement. Procedures Included Preventative Maintenance: Scheduled maintenance checks, lubrication points, fluid changes, filter replacements, spark plug replacement. Troubleshooting: Diagnostic procedures for common problems, symptom-based troubleshooting charts. Repair: Step-by-step repair instructions for all major components and systems. Disassembly Assembly: Detailed procedures for taking apart and reassembling various vehicle components. Specifications Settings: Torque specifications, valve clearances, idle speed adjustments, ignition timing. Wiring Diagrams: Comprehensive electrical system schematics for accurate diagnosis and repair. Technical Depth Depth: Full service and repair coverage, suitable for both amateur mechanics and professional technicians. Detail Level: Includes detailed exploded views, part diagrams, and component tolerances. 📊 Manual Specifications File Format Format: PDF Searchability: Typically text-searchable PDF for easy information retrieval. Print Quality Quality: High-resolution digital scans, ensuring clarity of text and diagrams. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, Air-cooled, SOHC Displacement: 88 cc (Cubic Centimeters) Bore X Stroke: Approx. 47.0 mm x 51.0 mm (Need to confirm exact spec from manual) Compression Ratio: Likely around 9.2:1 to 10.0:1 (Need to confirm exact spec from manual) Performance Horsepower: Estimated 6-8 HP (Power output varies by tuning and conditions, not officially published for this model year) Torque: Estimated 5-7 lb-ft (Torque output varies by tuning and conditions, not officially published for this model year) Fuel System Fuel Delivery: Carbureted (Likely Mikuni VM Series or similar) Fuel Type: Unleaded Gasoline Fuel Tank Capacity: Approx. 2.0 Liters / 0.5 US gal (Need to confirm exact spec from manual) 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Drive: Chain Drive to Rear Axle Features Clutch Type: Automatic Centrifugal Clutch Gear Reduction: Forward, Neutral, Reverse (Selector Lever Operation) Fluid Specifications Transmission Fluid Type: Likely SAE 10W-40 API SE or SG (Need to confirm exact spec...