Suzuki LT125 Service Manual Repair 1983-1987 LT 125

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Tipo: Atv

Proveedor:

SKU: 104818

Etiquetas: 1983 1984 1985 1986 1987 ATV LT125 Powersports Quadmaster Suzuki

Variantes de producto

Descripción

The Suzuki LT125 QuadRunner, produced from 1983 to 1987, represents the first generation of Suzuki's renowned ATV line. Designed as an entry-level recreational vehicle, it appeals to novice riders with its inherent reliability, user-friendly operation, and affordability, positioning it as a competitive option against contemporaries like the Honda TRX125. This model embodies Suzuki's strong heritage in powersports, offering a robust platform for exploration and enjoyment. This comprehensive English-language manual serves as an indispensable guide for the repair and maintenance of the Suzuki LT125 QuadRunner. It covers essential areas including detailed engine overhaul, transmission servicing, chassis and suspension upkeep, brake system repair, and electrical component diagnostics. Additionally, the manual provides step-by-step procedures for scheduled maintenance, troubleshooting common issues, and performing necessary adjustments, empowering owners and technicians to ensure the longevity and optimal performance of their vehicle.

🏷️ Basic Information

Identification

Make:

Suzuki

Model:

LT125 QuadRunner

Generation:

First Generation

Production Years Covered:

1983-1987

Vehicle Type:

All-Terrain Vehicle (ATV)

👋 Introduction

Market Position

Segment:

Entry-level recreational ATV

Competitive Analysis

Key Competitors:

Honda TRX125, Kawasaki KLT110, Yamaha YFM125

Key Features

Vehicle Appeal:

Reliability, ease of use, affordability for novice riders

Manual Value Proposition

Benefit To Owner:

Empowers owners to perform maintenance and repairs, reducing reliance on professional services and extending vehicle lifespan.

📋 Manual Details

Coverage Areas

Primary Focus:

Repair and Maintenance

Secondary Focus:

Troubleshooting and Specifications

Page Count

Total Pages:

Manual Type

Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

Digital Format:

📖 Manual Coverage

Systems Covered

Engine:

Complete overhaul, tuning, carburetor, ignition, lubrication system

Transmission:

Gearbox disassembly, assembly, lubrication, and adjustment

Chassis:

Frame, suspension (front and rear), steering system

Brakes:

Front and rear brake system maintenance and repair

Electrical:

Ignition system, lighting, charging system (magneto), starter circuit

Bodywork:

Fenders, plastics, seat, handlebars

Procedures Included

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, battery care

Troubleshooting:

Diagnostic procedures for common problems (e.g., no spark, starting issues, idle problems)

Repair:

Complete tear-down and rebuild procedures for all major components

Adjustments:

Carburetor mixture and idle speed, valve clearance, throttle cable

Installation:

Component installation and alignment procedures

Technical Depth

Depth:

Comprehensive from basic maintenance to full engine and transmission rebuilds

📊 Manual Specifications

File Format

Format Details:

Searchable PDF with clickable chapters

Print Quality

Printing Policy:

Unlimited printing allowed

Binding Type

Binding:

Not Applicable (Digital Download)

Paper Type

Paper:

Not Applicable (Digital Download)

Storage

Saving Policy:

Unlimited saving/burning to disc allowed

⚙️ Engine Specifications

Primary Engine

Engine Type:

Four-stroke, Air-cooled

Displacement:

123 cc

Bore X Stroke:

52.0 mm x 57.0 mm

Compression Ratio:

9.5:1

Valve Configuration:

SOHC, 2 valves

Performance

Estimated Horsepower:

Approximately 10-12 HP (exact figures not readily available for this era/model)

Estimated Torque:

N/A (figures not commonly published for this class)

Fuel System

Carburetor Type:

Mikuni VM Series (likely VM16 or similar)

Fuel Type:

Unleaded Gasoline

Fuel Tank Capacity:

Approximately 2.4 US gal (9.0 L)

Lubrication

Oil Type:

SAE 10W-30 API SE or SF

Oil Capacity:

Approximately 1.0 US qt (0.95 L)

Ignition

Ignition System:

CDI (Capacitor Discharge Ignition)

Spark Plug Type:

NGK DPR7EA-9 (or equivalent)

Spark Plug Gap:

0.8 - 0.9 mm (0.031 - 0.035 in)

🔧 Transmission

Standard

Transmission Type:

5-Speed Manual with Reverse

Clutch Type:

Wet, multi-plate

Drive System:

Shaft Drive (No chain or belt)

Features

Reverse Gear:

Yes, activated via a separate mechanism.

📐 Dimensions

Exterior

Length:

Approximately 1720 mm (67.7 in)

Width:

Approximately 1015 mm (40.0 in)

Height:

Approximately 1055 mm (41.5 in)

Wheelbase:

Approximately 1125 mm (44.3 in)

Weights

Dry Weight:

Approximately 138 kg (304 lbs)

Gross Vehicle Weight Rating:

N/A (Not specified in common documentation)

Max Payload:

N/A (Typically limited for recreational use)

Wheels Tires

Front Tire Size:

AT19x7-8

Rear Tire Size:

AT19x9-8

Wheel Type:

Steel

Wheel Bolt Pattern:

N/A (Hubs with specific lug nuts)

🛡️ Safety Features

Ratings

Crash Test Ratings:

Not applicable for ATVs of this era.

Active Features

Braking System:

Front: Drum Brake; Rear: Drum Brake

Parking Brake:

Passive Features

Lighting:

Headlight, Taillight/Brake light

Throttle Limiter:

Not a standard feature on this model.

💡 Technology Features

Infotainment

Infotainment System:

None (Basic functionality)

Driver Assistance

Driver Assistance Features:

Connectivity

Connectivity Features:

Other Technology

Starting System:

Kickstart (Primary), Electric Start (Available on some versions or optional)

🔧 Maintenance

Service Intervals

Engine Oil Change:

Every 1,000 km or 6 months, whichever comes first.

Spark Plug Cleaning Or Replacement:

Every 2,000 km or 1 year.

Air Filter Cleaning:

Every 1,000 km or 6 months, more often in dusty conditions.

Valve Clearance Check:

Every 4,000 km or 2 years.

Fluid Specifications

Engine Oil Viscosity:

10W-30

Engine Oil API Grade:

SE or SF

Transmission Oil Type:

Gear Oil SAE 80W API GL-4 (or Suzuki specific)

Brake Fluid Type:

DOT 3

Known Issues

Carburetor Issues:

Clogging due to fuel deposits, idle speed instability.

Ignition System:

Failure of CDI unit or stator leading to no spark.

Suspension Wear:

Bushings and seals can wear over time, affecting handling.

Fuel Delivery:

Fuel petcock leaks or clogged fuel filter.

📚 Vehicle History

Brand Heritage

Manufacturer:

Suzuki Motor Corporation

Motorsport Legacy:

Suzuki has a strong heritage in motorcycle and ATV racing and manufacturing.

Model Evolution

Quadrunner Line:

The LT125 was part of Suzuki's early foray into the ATV market, establishing the 'QuadRunner' name.

Predecessor Successor:

Followed by models like the LT250 and LT-F series, evolving the technology and performance.

Production

Manufacturing Location:

Likely Japan

Sales Figures:

N/A (Specific sales figures are not publicly available)

🏆 Awards & Recognition

Recognitions

Industry Awards:

Not applicable for this specific model year.

Ratings

Consumer Reports Ratings:

No formal ratings available for this vintage ATV.

Certifications

Certifications:

Meets relevant safety standards for its production era.