Suzuki LT80H Quad Runner 1987 Service Repair Manual

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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...

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Tipo: Atv

Proveedor:

SKU: 89346

Etiquetas: 1987 Atv LT80H Quad Runner Misc Motorcycles Suzuki

Variantes de producto

Descripción

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:

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)

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 Format:

Portable Document Format (PDF)

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 Ratio:

50:1 (Gasoline to 2-stroke oil)

Ignition

Ignition System:

CDI (Capacitor Discharge Ignition)

Lubrication

Oil System:

Premix (Separate oil injection system may have been available on some variants, but premix is common)

🔧 Transmission

Standard

Transmission Type:

Automatic (CVT - Continuously Variable Transmission) with Forward, Neutral, and Reverse gears.

Drive:

Shaft Drive

Features

Clutch Type:

Automatic centrifugal clutch

Fluid

Transmission Fluid Type:

Hypoid gear oil (GL-5) for final drive; CVT belt drive system requires specific maintenance, no fluid in the CVT itself.

📐 Dimensions

Exterior

Length:

Approx. 1455 mm (57.3 in)

Width:

Approx. 950 mm (37.4 in)

Height:

Approx. 965 mm (38.0 in)

Wheelbase:

Approx. 970 mm (38.2 in)

Weights

Dry Weight:

Approx. 114 kg (251 lbs)

Fuel Capacity:

Approx. 5.0 L (1.3 US gal)

Tires

Front Tire Size:

AT16 x 7-7

Rear Tire Size:

AT18 x 9-8

🛡️ Safety Features

Ratings

Safety Ratings:

ATV safety is primarily determined by operator skill and adherence to safety guidelines. No formal crash ratings apply as with automobiles.

Active Features

Active Features:

Thumb throttle with throttle limiter (adjustable), sturdy handlebars, compliant suspension for stability.

Passive Features

Passive Features:

Durable frame construction, full floorboards for foot protection, handguards (standard on some models or optional), lighting (headlight, taillight).

💡 Technology Features

Infotainment

Infotainment Systems:

N/A (No infotainment systems present on this model)

Driver Assistance

Driver Assistance Features:

N/A (No electronic driver assistance systems)

Connectivity

Connectivity Options:

N/A (No connectivity features)

🔧 Maintenance

Service Intervals

Service Intervals General:

Initial check after first few hours, then regular checks of oil levels, tire pressure, chain tension, and air filter. Major services typically every 100-200 hours or annually.

Fluid Specifications

Engine Oil Type:

Suzuki recommends specific 2-stroke oil meeting API TC, JASO FD, or ISO-L-EGD specifications for premix. Consult manual for exact Suzuki branded oil or equivalent.

Gear Oil Type:

Hypoid gear oil API GL-5 SAE 80W/90

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid

Known Issues

Common Issues:

Carburetor clogging from fuel varnish, starter motor wear, drive chain and sprocket wear, CVT belt wear, CDI unit failure, and general engine wear from age and usage.

Tasks

Essential Tasks:

Regular spark plug inspection and gap setting, air filter cleaning/replacement, carburetor cleaning and adjustment, chain lubrication and tensioning, brake pad and fluid checks, and valve clearance checks (if applicable, though typically not for 2-stroke).

📚 Vehicle History

Brand Heritage

Brand Heritage:

Suzuki has a long-standing reputation for producing reliable and durable motorcycles and ATVs, often focusing on accessible and user-friendly designs.

Model Evolution

Model Evolution:

The LT80 Quad Runner was a successful model for Suzuki in the youth ATV market, evolving from earlier designs and paving the way for subsequent youth models. It emphasized ease of use and safety features for younger riders.

Production

Production Years:

Introduced in 1987, the LT80H was produced for many years, undergoing minor updates, and remained a popular model in its class.

🏆 Awards & Recognition

Recognitions

Recognitions:

While specific awards for the LT80H might not be widely documented, it was consistently recognized in enthusiast circles and by dealers for its reliability and suitability as a beginner ATV.

Ratings

Consumer Ratings:

Highly regarded by parents and young riders for its ease of operation and durability.