Suzuki LT80L Quad Runner 1990 Service Repair Manual

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Art.-Nr: 89349

Stichworte: 1990 Atv LT80L Quad Runner Misc Motorcycles Suzuki

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Beschreibung

The 1990 Suzuki LT80L Quad Runner is a versatile All-Terrain Vehicle (ATV) designed for the entry-level to intermediate youth rider segment. Known for its compact, lightweight design and user-friendly operation, this ATV features a reliable 72.7 cc two-stroke, air-cooled engine paired with an automatic Continuously Variable Transmission (CVT) and shaft drive. Its engineering quality and robust construction have made it a popular choice for recreational riding, offering a balance of performance and accessibility that competed effectively with other models of its era. This comprehensive service repair manual provides detailed guidance for the maintenance, troubleshooting, and repair of the 1990 Suzuki LT80L Quad Runner. It covers all essential systems, including the engine, transmission, brakes, electrical components, and chassis. Within its pages, you will find step-by-step instructions for routine maintenance, complete engine and component overhauls, system adjustments, and diagnostic procedures for common issues. This manual is an indispensable resource for owners and technicians seeking to ensure the optimal performance and longevity of their LT80L.

🏷️ Basic Information

Identification

Make:

Suzuki

Model:

LT80L Quad Runner

Year:

Vehicle Type:

ATV (All-Terrain Vehicle)

👋 Introduction

Market Position

Segment:

Entry-level to intermediate youth ATV segment.

Competitive Analysis

Competitors:

Competed with models like the Honda TRX90, Yamaha YFM80 Badger, and Kawasaki KLF80 Bayou during its production era.

Key Features

Features:

Compact, lightweight design, reliable two-stroke engine, automatic transmission, and user-friendly operation for younger riders.

📋 Manual Details

Coverage Areas

General Coverage:

Comprehensive service and repair for the 1990 Suzuki LT80L Quad Runner.

Page Count

Estimated Pages:

Refer to seller for exact page count, typically 150-250 pages for this type of manual.

Manual Type

Type:

Service Repair Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine:

Full engine overhaul, including carburetor, ignition, cooling, lubrication, and top-end/bottom-end components.

Transmission:

Automatic transmission (CVT) service, including belt inspection, clutch assembly, and gear reduction.

Brakes:

Front and rear brake system maintenance, caliper service, master cylinder, and bleeding procedures.

Electrical:

Wiring diagrams, lighting system, battery, starter, charging system, and ignition system troubleshooting.

Chassis Suspension:

Front and rear suspension components, steering system, and shock absorber service.

Fuel System:

Fuel tank, fuel lines, and carburetor cleaning and adjustment.

Bodywork:

Body panel removal and installation, fenders, seat, and handlebar assembly.

Procedures Included

Routine Maintenance:

Oil change intervals, spark plug replacement, air filter cleaning/replacement, chain adjustment, and lubrication points.

Troubleshooting:

Diagnostic charts for common starting problems, poor performance, and electrical faults.

Repair Rebuild:

Detailed step-by-step instructions for engine rebuilding, component replacement, and assembly.

Adjustment:

Carburetor jetting and idle adjustments, brake lever free play, throttle cable tension.

Technical Depth

Depth:

Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls.

📊 Manual Specifications

File Format

Quality:

High-resolution PDF, suitable for printing with clear text and legible diagrams.

Searchability:

Text-searchable PDF for quick information retrieval.

Print Quality

Diagrams:

Detailed exploded views and schematic diagrams for easy part identification and assembly.

Binding Type

Type:

N/A (Digital PDF format)

Paper Type

Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Two-stroke, air-cooled

Displacement:

72.7 cc

Bore X Stroke:

48.0 mm x 40.0 mm

Compression Ratio:

6.1:1

Cylinder Arrangement:

Single cylinder, forward-inclined

Performance

Horsepower:

Approx. 6.5 HP (varies with tuning and emissions regulations)

Torque:

Not commonly published for this model, but adequate for its intended use.

Fuel System

Carburetor:

Mikuni VM16SH (or similar)

Fuel Type:

Unleaded gasoline

Fuel Mixture:

Pre-mix: 50:1 ratio (Gasoline: 2-stroke oil)

Ignition

Ignition System:

CDI (Capacitor Discharge Ignition)

Spark Plug Type:

NGK BR8ES (or equivalent)

Spark Plug Gap:

0.7 - 0.8 mm

🔧 Transmission

Standard

Transmission Type:

Automatic (CVT - Continuously Variable Transmission)

Drive System:

Shaft drive, 2WD

Features

Gear Reduction:

Yes, for low-speed torque.

Fluid Specifications

Transmission Fluid Type:

Not applicable for this model; the CVT uses a belt drive system with dry clutch components.

📐 Dimensions

Exterior

Overall Length:

Approx. 1440 mm (56.7 in)

Overall Width:

Approx. 860 mm (33.9 in)

Overall Height:

Approx. 920 mm (36.2 in)

Wheelbase:

Approx. 955 mm (37.6 in)

Ground Clearance:

Approx. 100 mm (3.9 in)

Weights

Dry Weight:

Approx. 106 kg (233.7 lbs)

Fuel Tank Capacity:

Approx. 4.0 L (1.06 US gal)

🛡️ Safety Features

Ratings

Safety Standards:

Designed for recreational use, adheres to general ATV safety guidelines of the era.

Active Features

Braking System:

Drum brakes front and rear.

Throttle Limiter:

Often equipped with a throttle limiter screw for controlled speed.

Passive Features

Lighting:

Headlight and taillight for visibility.

Footwells:

Integrated footwells with protective guards.

💡 Technology Features

Infotainment

Features:

N/A (Basic recreational vehicle with no modern infotainment features).

Driver Assistance

Features:

N/A (No advanced driver assistance systems).

Connectivity

Features:

N/A (No connectivity features).

🔧 Maintenance

Service Intervals

Engine Oil Change:

Every 50 hours or annually. Consult manual for specific grade.

Spark Plug Replacement:

Every 100 hours or annually.

Air Filter Cleaning:

Every 25 hours or as needed in dusty conditions.

Transmission Belt Inspection:

Inspect every 100 hours for wear and tension.

Fluid Specifications

Engine Oil Type:

SAE 10W-30 API SE (or SG) 2-stroke oil, premixed with gasoline.

Fluid Capacities

Engine Oil Premix:

40:1 or 50:1 ratio as specified by Suzuki for the era (confirm with manual for exact ratio).

Known Issues

Common Problems:

Carburetor gumming due to stale fuel, clutch wear, starter solenoid issues, and reed valve wear are common on older models. Overheating if cooling fins are obstructed.

Preventative Maintenance:

Regular use of fresh fuel, proper premix ratio, and keeping the air filter clean are crucial for longevity.

📚 Vehicle History

Brand Heritage

Manufacturer:

Suzuki Motor Corporation, a Japanese multinational corporation known for its wide range of vehicles and engines.

Model Evolution

Lineage:

The LT80L was part of Suzuki's Quad Runner line, established in the early 1980s. It served as a popular entry-level option for youth riders, evolving from earlier smaller displacement models.

Production

Production Years:

The LT80 model was produced for many years, with the 1990 model being a key iteration within its lifespan.

🏆 Awards & Recognition

Recognitions

Industry Awards:

While specific awards for the LT80L aren't readily documented, the Suzuki Quad Runner line was widely recognized for its reliability and suitability for youth riders in its segment.