The 1991 Suzuki LT80M Quad Runner is a robust and reliable all-terrain vehicle designed for recreational use. As part of Suzuki's established line of ATVs, this model is recognized for its user-friendly operation and durability, making it a popular choice for younger riders and entry-level enthusiasts. Its engineering focuses on providing a stable and capable platform for navigating various terrains, embodying Suzuki's commitment to quality in its recreational vehicle offerings. The LT80M Quad Runner is a testament to practical design, built to deliver dependable performance for its intended purpose. This comprehensive factory service repair manual provides essential information for the maintenance and repair of your 1991 Suzuki LT80M Quad Runner. Covering hundreds of pages in English, it details every aspect of the vehicle, from engine specifications, fuel and ignition systems, to transmission, brakes, steering, and chassis. The manual includes routine maintenance procedures, in-depth troubleshooting guides, step-by-step repair instructions, and detailed disassembly and assembly processes. It is an indispensable resource for owners, hobbyists, and professional mechanics seeking to ensure the longevity and optimal performance of their LT80M Quad Runner, offering authoritative, factory-level guidance. 🏷️ Basic Information Identification Make: Suzuki Model: LT80M Quad Runner Year: 1991 Vehicle Type: ATV (All-Terrain Vehicle) Codes Manual Product Name: Suzuki LT80M Quad Runner 1991 Factory Service Repair Manual PDF Download 👋 Introduction Market Position Target Audience: Owners, hobbyists, and professional mechanics working on the Suzuki LT80M Quad Runner Competitive Analysis Value Proposition: Provides authoritative, factory-level information essential for proper maintenance and repair, surpassing generic online guides. Key Features Manual Utility: Enables DIY repairs, reduces reliance on expensive shop labor, ensures correct procedures are followed. Completeness: Covers the entirety of the vehicle's systems and maintenance requirements for the specified model year. 📋 Manual Details Coverage Areas General Coverage: Complete official factory service repair Page Count Estimated Page Count: Hundreds of pages Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Engine specifications, disassembly, inspection, assembly, troubleshooting, tuning Transmission: Gearbox, clutch, drive chain, lubrication Fuel System: Carburetor tuning, fuel lines, fuel tank, petcock Ignition System: CDI unit, spark plug, ignition timing, stator Electrical System: Wiring diagrams, lighting, battery, charging system, starter Suspension: Front and rear suspension, shock absorbers, linkage maintenance Brakes: Front and rear brake systems, fluid specifications, adjustment, replacement Steering: Steering column, tie rods, ball joints, wheel alignment Cooling System: Air-cooled engine specific cooling considerations Chassis And Frame: Frame inspection, repair, body panel removal and installation Wheels And Tires: Tire pressure, wear inspection, wheel bearing maintenance Procedures Included Maintenance: Routine checks, oil changes, filter replacements, lubrication points Troubleshooting: Diagnostic charts for common problems, symptom-based troubleshooting Repair: Step-by-step instructions for component repair and replacement Disassembly Assembly: Detailed procedures for taking apart and reassembling major vehicle components Adjustments: Carburetor adjustments, brake adjustments, clutch adjustments Technical Depth Diagnostic Capabilities: Advanced diagnostics, troubleshooting flowcharts, electrical system diagnostics Rebuild Instructions: Comprehensive engine and transmission rebuild procedures Part Replacement: Detailed instructions for replacing individual parts and sub-assemblies 📊 Manual Specifications File Format Digital Format: PDF Print Quality Printability: High-resolution for clear printing of all pages Binding Type Binding Suggestion: Print and bind for workshop use Paper Type Recommended Paper: Durable paper stock for workshop environments ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder Displacement: 72 cc Bore X Stroke: 45.0 mm x 47.0 mm Cooling Method: Forced air-cooled Compression Ratio: 6.4:1 Performance Horsepower Estimated: ~6.5 HP (at specified RPM) Torque Estimated: ~4.0 lb-ft (at specified RPM) Fuel System Carburetor Model: Mikuni VM16SH (typical, check manual for exact) Fuel Type: Unleaded gasoline (minimum 87 octane recommended) Oil Mixture Ratio: 50:1 (pre-mix or oil injection, check manual) 🔧 Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Drive System: Shaft drive (to rear axle) Gearbox: Single speed forward with reverse Features Clutch Type: Automatic centrifugal clutch Transmission Fluid Type: API GL-5 SAE 80W-90 gear oil (refer to manual for specific capacity) 📐 Dimensions Exterior Overall Length: Approx. 1475 mm (58.1 in) Overall Width: Approx. 895 mm (35.2 in) Overall Height: Approx. 925 mm (36.4 in) Wheelbase: Approx. 980 mm (38.6 in) Ground Clearance: Approx. 125 mm (4.9 in) Weights Dry Weight: Approx. 111 kg (245 lbs) Fuel Tank Capacity: Approx. 3.0 L (0.8 US gal) 🛡️ Safety Features Ratings Atv Safety Designation: Designed for operator use only, not for passenger use. Requires appropriate safety gear. Active Features Braking System: Drum brakes, front and rear Passive Features Lighting: Headlight, taillight/stoplight 💡 Technology Features Infotainment Infotainment Features: Not applicable; basic utility vehicle. Driver Assistance Driver Assistance Systems: None Connectivity Connectivity Features: None 🔧 Maintenance Service Intervals Engine Oil Change: Every 50 hours or annually (check manual for exact recommendation) Air Filter Cleaning: Every 20 hours or as needed, depending on conditions Spark Plug Inspection: Every 50 hours or annually Drive Chain Lubrication:...