The Suzuki LT80H Quad Runner, produced in 1987, is a capable all-terrain vehicle designed for recreational trail riding and light utility tasks. This entry-level youth ATV is recognized for its user-friendliness and robust build, making it a reliable option for young riders. Key features include an automatic transmission, shaft drive, electric start, and a dependable 2-stroke engine known for its performance and durability. Suzuki's heritage in producing quality ATVs further solidifies the LT80H's reputation as a well-engineered and enduring machine. This comprehensive service repair manual provides essential guidance for the maintenance and repair of your Suzuki LT80H Quad Runner. It covers a wide range of topics, including detailed procedures for engine overhaul, fuel system servicing, ignition system troubleshooting, transmission and drive train maintenance, suspension and steering adjustments, brake system repairs, and the complete electrical system. The manual also offers in-depth troubleshooting guides for common issues, diagnostic procedures, and crucial torque specifications, ensuring that owners and technicians have the necessary information to keep the ATV in optimal condition. 🏷️ Basic Information Identification Make: Suzuki Model: LT80H Quad Runner Year: 1987 Vehicle Type: All-Terrain Vehicle (ATV) Product Name: Suzuki LT80H Quad Runner 1987 Service Repair Manual PDF Download 👋 Introduction Market Position Market Position: Entry-level youth ATV for recreational trail riding and light utility tasks. Positioned as a durable and reliable option for young riders. Competitive Analysis Competitive Analysis: Competed against models from Yamaha (like the YFM80), Honda (like the ATC125M, though often a different class), and Kawasaki (like the KLT110). The LT80 stood out for its user-friendliness and robust build for its class. Key Features Key Features: Automatic transmission, shaft drive, electric start, reliable 2-stroke engine, comfortable seating, and Suzuki's reputation for quality. 📋 Manual Details Coverage Coverage Areas: Complete service, repair, troubleshooting, and maintenance for the Suzuki LT80H Quad Runner. Pages Page Count: Estimated 150-250 pages (typical for this era's comprehensive service manuals) Type Manual Type: Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Systems Covered: Engine, Fuel System, Ignition System, Transmission, Drive Train, Suspension, Steering, Brakes, Electrical System, Chassis, Bodywork, Cooling System, Exhaust System, Troubleshooting Guides. Procedures Procedures Included: Routine maintenance, scheduled servicing, engine overhaul, carburetor tuning, brake system inspection and repair, electrical troubleshooting, suspension adjustments, steering system repair, chain adjustment, clutch adjustment, diagnostic procedures, component replacement, wiring diagrams. Depth Technical Depth: Comprehensive, covering from basic maintenance to in-depth mechanical repairs and diagnostics, suitable for both amateur mechanics and professional technicians. Diagnostics Troubleshooting Guides: Detailed guides for diagnosing common problems, including no-start conditions, poor running, electrical faults, and drive system issues. Includes symptom-based troubleshooting. Electrical Electrical System Coverage: Complete wiring diagrams, component testing (starter, ignition coil, lighting), battery service, fuse locations, and troubleshooting. Engine Rebuild Engine Rebuild Procedures: Step-by-step instructions for engine disassembly, inspection of internal components (piston, rings, cylinder, crankshaft, bearings), cylinder head and base gasket replacement, and engine reassembly. Suspension Steering Suspension Steering Coverage: Front and rear suspension component inspection, adjustment, and replacement (shocks, bushings, ball joints). Steering system checks, tie rod adjustment, and handlebar bearing service. Brake System Brake System Coverage: Front and rear brake inspection, pad replacement, caliper service, master cylinder repair, brake line replacement, and bleeding procedures. Drum brake adjustment (if applicable). Carburetor Carburetor Coverage: Detailed instructions for carburetor disassembly, cleaning, inspection, adjustment of idle speed and air/fuel mixture, jet replacement, and float level setting. Bodywork Bodywork Coverage: Information on plastic body panel removal, installation, and minor repairs. Seat removal and inspection. Torque Specs Torque Specifications: Crucial torque specifications for critical fasteners like cylinder head bolts, crankshaft nuts, wheel hubs, and suspension components. Special Tools Special Tool Recommendations: Identification of any specialized tools required for specific procedures, ensuring correct execution of repairs. Wiring Wiring Diagrams Completeness: Full-color or black-and-white detailed wiring schematics for the entire ATV, including lighting, ignition, starting system, and safety interlocks. Fluid Capacities Fluid Capacities: Specific capacities for engine oil (premix ratio), transmission/final drive oil, and brake fluid reservoirs. Part Numbers Key Part Numbers: While not a parts catalog, service manuals often reference OEM part numbers for critical components or replacement parts like filters, spark plugs, and gaskets. Maintenance Schedule Maintenance Schedule: Comprehensive maintenance schedule outlining required tasks at specific mileage, operating hours, or time intervals (e.g., 10-hour, 50-hour, 100-hour service). 📊 Manual Specifications File File Format: Portable Document Format (PDF) Print Print Quality: High-resolution scans, printable pages, clear text and diagrams. Binding Binding Type: N/A (Digital Download) Paper Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: 2-Stroke, Air-Cooled Displacement: 72 cc Bore X Stroke: 48.0 x 40.0 mm Compression Ratio: 6.5:1 Performance Horsepower Est: Approx. 6-8 HP @ 6500 RPM (Estimate based on class) Torque Est: Approx. 5-6 lb-ft @ 5000 RPM (Estimate based on class) Fuel System Carburetor: Mikuni VM17SH (or similar specification) Fuel Type: Unleaded gasoline Fuel Mix...