This manual covers the Quadsport, also known as the LTZ90, for the model years 2007, 2008, and 2009. Designed as an entry-level youth ATV, the LT-Z90 builds upon an established reputation in powersports for reliable and performance-oriented vehicles. This model features an 88 cc air-cooled, four-stroke engine with a Mikuni VM16SH carburetor and an automatic Continuously Variable Transmission (CVT) with chain drive. Its engineering emphasizes durability and ease of use for younger riders, incorporating features like a throttle limiter and standard lighting for safety. This comprehensive factory repair service manual provides in-depth information for owners and technicians. It details complete tear-down and rebuild procedures, routine maintenance, and troubleshooting for all major systems, including the engine, transmission, fuel system, ignition, electrical components, chassis, suspension, and brakes. With 257 pages of English content, the manual includes detailed part diagrams, schematics, and wiring diagrams. It is designed to facilitate DIY repairs and professional workshop use, offering factory-level accuracy and detailed diagnostic procedures to ensure optimal vehicle performance and longevity. 🏷️ Basic Information Identification Make: Suzuki Model: LT-Z90 Quadsport Model Nickname: LTZ90 Product Name: Suzuki Z90 LTZ90 2007-2009 Motorcycle Repair Service Manual PDF Download Codes Model Years Covered: 2007, 2008, 2009 Model Year Abbreviations: 07, 08, 09 Model Code Variants: LTZ-90, LTZ 90, Quadsport, Quad Sport 👋 Introduction Market Position Target Audience: Owners of 2007-2009 Suzuki LT-Z90 Quadsport, DIY enthusiasts, independent repair shops. Value Proposition: Provides comprehensive factory-level repair and maintenance information for cost-effective ownership and upkeep. Competitive Analysis Competition: Competes with other aftermarket repair manuals, but this is a factory service manual, offering higher accuracy and detail. Key Features Manual Advantages: Searchable, clickable chapters, no print restrictions, detailed diagrams, torque specifications, comprehensive coverage. Seller Offering: P.S. Manuals - DIY specialist with over 15,000 manuals in stock, offering free support for download issues. 📋 Manual Details Coverage Areas Primary Coverage: Complete tear down and rebuild, maintenance, troubleshooting, repair Technical Diagrams Included: Part diagrams, schematics, wiring diagrams Component Focus: Engine, transmission, fuel system, ignition, electrical, chassis, suspension, brakes, bodywork Page Count Total Pages: 257 Manual Type Type: Factory Repair Service Manual Purpose: DIY repairs, professional workshop use Language Language: English Format Format: PDF Download File Features: Clickable chapters, searchable text Usage Restrictions: No restrictions on printing or saving/burning to disc 📖 Manual Coverage Systems Covered Engine Systems: Fuel system (carburetor, fuel pump), ignition system (stator, magneto, spark plug), lubrication, cooling system (coolant), valve train (valve clearance, camshaft, crankshaft), piston, connecting rod, cylinder, exhaust system, intake system Transmission And Drivetrain: Transmission operation, primary reduction gear, drive shaft, rear axle, swingarm, suspension (struts, linkage) Electrical Systems: Battery, charging system (rectifier, regulator, stator), starter motor, lighting, switches (ignition, kill switch), fuses, error codes Chassis And Body: Frame, body panels, plastics, seat, handlebars, fenders, footpegs, steering system, wheels, tires Braking Systems: Brake pads, brake levers, brake lines, brake calipers, brake discs (rotors) Procedures Included Maintenance Procedures: Scheduled maintenance, fluid changes (engine oil, coolant), filter replacements, lubrication, tire pressure adjustment, valve clearance adjustment, spark plug replacement, drive chain adjustment Repair Procedures: Engine rebuild (complete tear down and rebuild), carburetor overhaul, transmission repair, suspension repair, brake system repair, electrical component replacement, body panel repair/replacement Troubleshooting Guides: Diagnostic procedures, common problems (e.g., no spark, starting issues, performance problems), error code interpretation Installation Procedures: Component installation, accessory installation (implied) Technical Depth Depth: Comprehensive: Covers all aspects from basic maintenance to complete engine and transmission overhauls. Diagnostic Capabilities: Detailed troubleshooting sections with specific symptoms and likely causes. 📊 Manual Specifications File Format Format: PDF Accessibility: Instant download Storage Considerations: Can be up to 1 Gig in size, requires sufficient storage space and stable internet connection. Print Quality Print Restriction: Printable Binding Type Binding: Not applicable (Digital Download) Paper Type Paper Type: Not applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, four-stroke, SOHC, 2-valve Displacement: 88 cc Bore X Stroke: 49.0 mm x 48.0 mm Compression Ratio: 9.2:1 Lubrication: Wet sump Cooling System: Air-cooled Performance Horsepower: Not explicitly stated in product description, but typical for this class is around 6-8 HP. Torque: Not explicitly stated in product description. Fuel System Fuel Delivery: Carburetor (Mikuni VM16SH) Carburetor Details: Includes specifications for jetting, mixture screw adjustment, float height. Fuel Type: Unleaded gasoline Fuel Tank Capacity: 2.4 L (0.6 US qt) 🔧 Transmission Standard Type: Automatic (CVT - Continuously Variable Transmission) Drive System: Chain drive Features Transmission Coverage: Includes inspection, adjustment, and component replacement for the CVT and drive chain. 📐 Dimensions Exterior Overall Length: 1505 mm (59.3 in) Overall Width: 940 mm (37.0 in) Overall Height: 975 mm (38.4 in) Wheelbase: 1005 mm (39.6 in) Ground Clearance: 140 mm (5.5 in) Weights Dry Weight: 82 kg (181 lbs) Curb Weight: Not specified in product description, but typically slightly higher than dry weight. 🛡️ Safety Features Ratings Safety Ratings: Not applicable for this type of...