The 1988 Suzuki LT80J Quad Runner is a capable entry-level youth and recreational ATV, renowned for its lightweight design and straightforward operation. This air-cooled, two-stroke, 72 cc machine features an automatic transmission with an automatic clutch and shaft drive, making it an accessible option for younger riders. Its reliable performance and simple mechanics have cemented its place as a foundational model in Suzuki's respected ATV lineage. The LT80J was engineered for durability and ease of use, offering a balanced platform for learning and enjoying off-road adventures. This comprehensive Service Repair Workshop Manual in English provides detailed guidance for the maintenance and repair of the 1988 Suzuki LT80J Quad Runner. It covers a wide array of systems, including the engine, fuel system, ignition, transmission, drivetrain, suspension, steering, brakes, and electrical components, as well as the chassis and bodywork. The manual includes step-by-step repair procedures, routine maintenance schedules, troubleshooting guidelines, and essential technical specifications, such as torque values and fluid capacities. This resource is designed to assist owners, mechanics, and technicians in keeping the vehicle in optimal condition, ensuring its longevity and performance. 🏷️ Basic Information Identification Make: Suzuki Model: LT80J Quad Runner Year: 1988 Codes Model Code: LT80J 👋 Introduction Market Position Quad Atv Segment: Entry-level youth/recreational ATV, popular for its durability and ease of use. Competitive Analysis Competitors 1988: Yamaha YFM80 Badger, Honda TRX80 FourTrax, Kawasaki Mojave 80 (though the LT80 often competed in slightly higher displacement classes as well). Key Features Vehicle Highlights: Lightweight, air-cooled engine, automatic transmission, reliable performance for its class, simple operation. 📋 Manual Details Coverage Areas Systems Covered: Engine, Fuel System, Ignition System, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, Chassis, Bodywork, Troubleshooting, Maintenance Page Count Page Count: Extensive (typical for comprehensive service manuals, precise count not provided but implies thoroughness) Manual Type Manual Type: Service Repair Workshop Manual Language Language: English Format Format: Likely digital (PDF) or printed booklet, designed for workshop use. 📖 Manual Coverage Systems Covered Engine Details: Top-end overhaul, bottom-end assembly, cylinder head, piston, crankshaft, lubrication, cooling (air-cooled), starting system, charging system (if applicable). Fuel System Details: Carburetor adjustment and overhaul (likely Mikuni VM series), fuel pump (if applicable), fuel lines, fuel filter. Ignition System Details: CDI unit, spark plug specifications, ignition timing, stator and rotor inspection. Transmission And Drivetrain Details: Automatic transmission operation, clutch adjustment, final drive inspection and service, chain and sprocket maintenance. Suspension And Steering Details: Front and rear suspension component inspection, shock absorber service, steering linkage adjustment, wheel alignment checks. Brake System Details: Drum brake inspection and adjustment (front and rear), brake cable routing and adjustment, brake shoe replacement. Electrical System Details: Wiring diagrams, lighting system checks, battery maintenance, fuse inspection, switch operation. Chassis And Bodywork Details: Frame inspection, plastic body panel removal and installation, seat maintenance, handlebar and control lever adjustments. Procedures Included Routine Maintenance: Oil changes, air filter cleaning/replacement, spark plug replacement, chain lubrication and adjustment, brake adjustment, general inspection. Troubleshooting Guidelines: Systematic diagnostic procedures for common performance issues, starting problems, electrical faults, and mechanical failures. Repair Procedures: Step-by-step instructions for component disassembly, repair, reassembly, and adjustment, covering major mechanical and electrical systems. Technical Specifications Data: Torque specifications for critical fasteners, clearance measurements, fluid capacities, electrical resistance values, engine timing specifications. Technical Depth Depth Of Coverage: Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts. Covers everything from routine maintenance to complete engine rebuilds and electrical system diagnostics. 📊 Manual Specifications File Format File Format Type: Typically PDF for digital versions, allowing for searchability and easy navigation. Printed versions are bound booklets. Print Quality Print Quality: High-resolution scans or professionally printed pages ensuring clarity of diagrams and text. Binding Type Binding Type: If printed, typically comb-bound or perfect-bound for durability in a workshop environment. Paper Type Paper Type: Durable, often glossy or semi-gloss paper to withstand workshop conditions and protect diagrams. ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder, air-cooled Displacement: 72 cc Bore X Stroke: 48.0 mm x 40.0 mm Compression Ratio: 6.7:1 Carburetor Type: Mikuni VM16SS (or similar designation) Starting System: Kick starter Performance Horsepower Estimate: Approximately 5-6 HP (exact figures often not published for youth ATVs, performance is relative to class) Torque Estimate: Modest torque suitable for its intended use. Fuel System Fuel Type: Unleaded gasoline Fuel Mixture: Pre-mix oil and gasoline (typically 20:1 or 32:1 ratio, consult manual for exact spec). Fuel Tank Capacity: Approximately 2.0 L (0.5 US gal) 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) with automatic clutch. Optional Optional Transmissions: N/A for this model. Features Drive System: Shaft drive to rear axle. Gear Reduction: Single reduction gear for final drive. 📐 Dimensions Exterior Overall Length: Approximately 1455 mm (57.3 in) Overall Width: Approximately 860 mm (33.9 in) Overall Height: Approximately 905 mm (35.6 in) Wheelbase: Approximately 970 mm (38.2 in) Ground Clearance: Approximately...