Suzuki LT80J Quad Runner 1988 Factory Service Repair Manual

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Art.-Nr: 90302

Stichworte: 1988 Atv LT80J Quad Runner Misc Motorcycles Suzuki

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Beschreibung

The 1988 Quad Runner is a foundational all-terrain vehicle designed for recreational use, embodying a legacy of producing reliable and capable ATVs. This particular model, powered by a 78cc two-stroke engine, offers a balance of performance and manageability, making it a popular choice for entry-level riders. Its robust construction, including a sturdy chassis, effective braking system, and a smooth automatic transmission, ensures a dependable riding experience for various terrains. The LT80J is recognized for its straightforward engineering and the inherent quality associated with a long-standing reputation in the ATV market. This factory service repair manual provides comprehensive guidance for owners, mechanics, and technicians to maintain and repair the 1988 Quad Runner. It covers essential areas such as engine disassembly and assembly, transmission service, chassis components, electrical systems, and fuel system maintenance. The manual includes detailed troubleshooting procedures, routine maintenance tasks, and specific repair instructions, all supported by technical specifications and torque values crucial for accurate work. With hundreds of pages of information, this English-language resource is designed to facilitate efficient diagnostics and ensure the longevity and optimal performance of the vehicle.

🏷️ Basic Information

Identification

Make:

Suzuki

Model:

LT80J Quad Runner

Year:

Vehicle Type:

All-Terrain Vehicle (ATV)

Codes

Model Code:

LT80J

👋 Introduction

Market Position

Target Audience:

Owners, mechanics, and enthusiasts seeking to maintain and repair the 1988 Suzuki LT80J Quad Runner.

Competitive Analysis

Value Proposition:

Provides essential factory-level technical data for accurate diagnostics and repairs, crucial for a vintage ATV.

Key Features

Completeness:

Covers all aspects of the vehicle, from basic maintenance to complex engine rebuilds.

Usability:

Organized for efficient navigation, with clear diagrams and concise instructions.

📋 Manual Details

Coverage Areas

Systems Covered:

Engine, Transmission, Chassis, Electrical System, Fuel System, Cooling System, Braking System, Suspension, Steering, Bodywork, Troubleshooting, Maintenance

Page Count

Page Count:

Hundreds of pages

Manual Type

Manual Type:

Factory Service Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine System:

Complete disassembly, assembly, diagnosis, and repair of the 78cc two-stroke engine, including carburetor, ignition, exhaust, and lubrication.

Transmission System:

Detailed procedures for maintenance and repair of the automatic transmission, including clutch, drive belts, and final drive.

Chassis System:

Information on frame, suspension (front and rear), steering components, and wheel hub assemblies.

Electrical System:

Wiring diagrams, troubleshooting for lighting, ignition, starting system, and component testing.

Braking System:

Service procedures for front and rear drum brakes, including adjustments and component replacement.

Fuel System:

Carburetor adjustment, cleaning, and troubleshooting, fuel tank, and fuel lines.

Procedures Included

Maintenance Procedures:

Routine maintenance tasks, lubrication points, oil changes, filter replacements, and seasonal storage.

Troubleshooting Guide:

Systematic diagnostic procedures for common problems and fault finding.

Repair Procedures:

Step-by-step instructions for engine rebuilds, transmission overhaul, suspension repairs, and electrical component replacement.

Torque Specifications:

Precise torque values for all critical fasteners to ensure proper assembly and safety.

Technical Depth

Diagnostic Capability:

Advanced diagnostics for engine performance, ignition timing, and electrical faults.

Rebuild Instructions:

Comprehensive instructions for complete engine and transmission rebuilds.

Special Tools:

Identification and usage of any specialized tools required for specific repairs or adjustments.

📊 Manual Specifications

File Format

File Format:

Print Quality

Print Quality:

High-resolution scans allowing for clear printing of text and diagrams.

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

78cc, Two-Stroke, Reed Valve, Air-Cooled

Bore X Stroke:

45.0 mm x 48.0 mm

Compression Ratio:

6.5 : 1

Carburetor Model:

Mikuni VM16

Performance

Horsepower:

Approx. 7.1 HP @ 6500 rpm (actual specification varies)

Torque:

Approx. 5.6 lb-ft @ 6000 rpm (actual specification varies)

Fuel System

Fuel Type:

Unleaded Gasoline (minimum 87 octane)

Fuel Mixture:

Pre-mix: 20:1 (Gasoline to Suzuki Two-Stroke Oil)

Fuel Tank Capacity:

2.6 L (0.7 gal)

🔧 Transmission

Standard

Transmission Type:

Automatic (CVT - Continuously Variable Transmission)

Drive System:

Shaft Drive

Clutch Type:

Centrifugal Automatic Clutch

Features

Gear Selection:

Forward, Neutral, Reverse

📐 Dimensions

Exterior

Overall Length:

1405 mm (55.3 in)

Overall Width:

740 mm (29.1 in)

Overall Height:

925 mm (36.4 in)

Weights

Dry Weight:

72 kg (159 lbs)

Curb Weight:

Approx. 75 kg (165 lbs)

🛡️ Safety Features

Ratings

Atv Safety Standards:

Adheres to ATV safety standards relevant to its production era. (Note: Formal NHTSA/EPA ratings for this specific model year may not be applicable in the modern sense).

Active Features

Throttle Limiter:

Thumb throttle with adjustable limiter screw for beginner control.

Passive Features

Chain Guard:

Full chain guard for drivetrain protection.

Footrests:

Integrated footrests with heel guards.

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic recreational vehicle, no electronic infotainment system).

Driver Assistance

Driver Assistance Features:

N/A (No electronic driver assistance systems).

Connectivity

Connectivity Features:

N/A (No electronic connectivity features).

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 100 hours or annually. (Refer to manual for specific grade and procedure).

Air Filter Cleaning:

Every 25 hours or as needed based on operating conditions. (Refer to manual for cleaning and oiling procedure).

Spark Plug Check:

Every 50 hours or annually. (Refer to manual for correct gap and type).

Drive Belt Inspection:

Every 100 hours or annually. (Refer to manual for wear limits and replacement).

Fluid Specifications

Two Stroke Oil:

Suzuki Outboard Motor Oil 2-stroke or equivalent API-TC, JASO FB rated oil.

Transmission Fluid:

API GL-4, SAE 80W/90 Hypoid Gear Oil. (Refer to manual for specific capacity).

Known Issues

Carburetor Clogging:

Common with carbureted engines, especially with fuel sitting for extended periods. Requires cleaning and proper fuel management.

Drive Belt Wear:

Wear and tear on the CVT belt can affect acceleration and top speed. Regular inspection is recommended.

Exhaust Port Fouling:

Two-stroke engines can experience carbon buildup in the exhaust port, requiring decarbonization.

📚 Vehicle History

Brand Heritage

Suzuki Atv Legacy:

Suzuki has a long-standing reputation for producing reliable and capable ATVs, with the Quad Runner line being pioneers in the recreational ATV market.

Model Evolution

Lt80 Lineage:

The LT80 was a foundational model in Suzuki's youth ATV lineup, designed for entry-level riders and offering a balance of performance and manageability.

Production

Production Period:

The LT80 model line was produced for an extended period, with significant variations and updates over the years, making the 1988 model a key part of its history.

🏆 Awards & Recognition

Recognitions

Industry Recognition:

The Suzuki LT80 was a highly popular and well-regarded youth ATV during its production run, often cited as a benchmark for its class in terms of reliability and usability.