This manual covers the Suzuki QuadRunner 300, model code LT300E, produced between 1987 and 1989. The QuadRunner 300 is a 4-stroke, air-cooled ATV known for its reliable performance and balanced design, making it suitable for both utility and recreational purposes. Suzuki's legacy in ATV manufacturing is evident in this model, which was positioned as a capable mid-range option. Key mechanical features include a 280 cc engine, a 5-speed manual transmission with an automatic clutch, and shaft drive. This comprehensive repair service manual in English provides in-depth information for maintaining and repairing your Suzuki QuadRunner 300. It covers all essential systems, including the engine, fuel system, ignition, drivetrain, suspension, brakes, and electrical components. Detailed procedures for routine maintenance, troubleshooting common issues such as carburetor clogging or ignition coil failure, and complete component rebuilds are included. The manual also offers critical technical specifications, torque values, and diagnostic charts, empowering owners and technicians to keep the vehicle in optimal condition. 🏷️ Basic Information Identification Make: Suzuki Model: QuadRunner 300 Model Code: LT300E Production Years Covered: 1987, 1988, 1989 👋 Introduction Market Position Positioning: This manual targets owners of the Suzuki QuadRunner 300 LT300E seeking to perform their own maintenance and repairs, offering a cost-effective alternative to professional servicing. Competitive Analysis Value Proposition: Provides comprehensive, professional-grade repair information at a fraction of the cost of dealership labor. Empowers owners to maintain and repair their ATV with confidence. Key Features Accessibility: Instant PDF download for immediate access across all operating systems. Printable for convenient workshop use. Content Quality: Authentic, professional-grade repair information mirroring workshop manuals. Cost Savings: Enables DIY repairs, significantly reducing maintenance and repair expenses. 📋 Manual Details Coverage Areas Coverage: Complete maintenance, repair, and troubleshooting for Suzuki QuadRunner 300 LT300E models 1987-1989. Page Count Page Count: 283 Manual Type Manual Type: Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete engine disassembly, assembly, inspection, and repair. Fuel System: Carburetor adjustment, cleaning, and overhaul; fuel tank and line maintenance. Ignition System: Spark plug inspection and replacement, ignition coil testing, troubleshooting 'no spark' conditions. Drivetrain: Clutch operation, gears, chain drive maintenance, and adjustments. Suspension: Front and rear suspension inspection, adjustment, and component replacement. Brakes: Brake system inspection, fluid changes, pad/shoe replacement, and adjustment. Electrical System: Wiring diagrams, lighting, battery maintenance, and starter system troubleshooting. Cooling System: Air-cooled engine cooling principles and maintenance. Chassis And Frame: Frame inspection and repair considerations. Wheels And Tires: Tire pressure, inspection, and replacement. Procedures Included Maintenance: Regular scheduled maintenance, fluid checks, lubrication points, and component inspection. Troubleshooting: Diagnostic procedures for common problems including starting issues, engine performance, and electrical faults. Repair: Detailed step-by-step repair procedures for all major components and systems. Rebuild: Complete engine and transmission tear-down and rebuild instructions. Torque Specifications: Essential torque values for critical fasteners during assembly and disassembly. Part Identification: Detailed part diagrams for component identification and ordering. Electrical Diagnostics: Detailed wiring diagrams and step-by-step troubleshooting for electrical faults. Technical Depth Depth: Professional-grade content suitable for DIY enthusiasts and professional mechanics. Covers everything from basic maintenance to complete engine overhauls. Diagnostics: Includes troubleshooting charts and diagnostic steps for common operational issues. Specifications: Provides detailed specifications including dimensions, clearances, pressures, and performance data. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution for clear text and legible diagrams. Suitable for printing. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, Air-cooled, SOHC Displacement: 280 cc (approx.) Bore X Stroke: Data available within the manual Compression Ratio: Data available within the manual Performance Horsepower: Estimated 18-20 HP (specific figures in manual) Torque: Data available within the manual Fuel System Carburetor Type: Mikuni VM series (specific model in manual) Fuel Type: Unleaded gasoline Ignition System Ignition System Type: CDI (Capacitor Discharge Ignition) 🔧 Transmission Standard Transmission Type: 5-speed manual with automatic clutch Gear Ratios: Detailed gear ratios provided in manual Features Drive System: Shaft drive Transmission Fluid: Suzuki Gear Oil SAE 80W-90 (refer to manual for specific part number and capacity) 📐 Dimensions Exterior Overall Length: Data available within the manual Overall Width: Data available within the manual Overall Height: Data available within the manual Weights Dry Weight: Approximately 200-210 kg (refer to manual for exact specification) Fuel Tank Capacity: Approximately 10.0 Liters (refer to manual for exact specification) 🛡️ Safety Features Ratings Atv Safety Standards: Adheres to industry safety guidelines for ATVs of its era. Manual provides safety precautions. Active Features Braking System: Hydraulic disc brakes front and rear (specific configurations detailed in manual). 💡 Technology Features Infotainment Infotainment Features: N/A (Basic ATV design of the era) Driver Assistance Driver Assistance Systems: N/A Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific intervals based on usage...