Suzuki LT 125 1983 1984 1985 1986 1987 Service Repair Manual

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The Suzuki LT 125, also known as the Quadrunner, is a lightweight and maneuverable all-terrain vehicle from the first generation of Suzuki's ATV offerings. Produced between 1983 and 1987, this...

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Typ: Atv

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Art.-Nr: 91899

Stichworte: 1983 1984 1985 1986 1987 ATV LT 125 Powersports Quadmaster Suzuki

Produktvarianten

Beschreibung

The Suzuki LT 125, also known as the Quadrunner, is a lightweight and maneuverable all-terrain vehicle from the first generation of Suzuki's ATV offerings. Produced between 1983 and 1987, this model was designed for recreational trail riding and general utility purposes, embodying Suzuki's reputation for durable and reliable off-road machinery. Its key features include a user-friendly, lightweight design and a dependable 123 cc, 4-stroke, air-cooled engine with a 5-speed transmission and automatic clutch, making it an accessible option for many riders. This comprehensive service repair manual provides detailed information essential for the maintenance and repair of the Suzuki LT 125 (1983-1987). It covers all major systems, including the engine, transmission, drivetrain, suspension, brakes, and electrical system, offering step-by-step instructions for routine maintenance, troubleshooting, component overhauls, and rebuilding procedures. With factory-level technical detail, including diagrams and exploded views, this manual is an invaluable resource for owners and technicians alike to ensure the longevity and optimal performance of their vehicle.

🏷️ Basic Information

Identification

Make:

Suzuki

Model:

LT 125

Model Nickname:

Quadrunner

Product Name:

Suzuki LT 125 1983-1987 Service Repair Manual

Generation

Generation:

First Generation

Codes

Chassis Code:

LT125

👋 Introduction

Market Position

Positioning:

The Suzuki LT 125 was an entry-level, lightweight ATV designed for recreational trail riding and general utility use. It competed in a growing market segment of accessible off-road vehicles.

Competitive Analysis

Competitors:

Competed with other small-displacement ATVs from brands like Honda (e.g., ATC 110/125), Kawasaki (e.g., KLT 110/160), and Yamaha (e.g., YFM 125).

Key Features

Features:

Lightweight design, easy maneuverability, reliable single-cylinder engine, and Suzuki's reputation for durable off-road vehicles.

Manual Value Proposition

Value For Owner:

Empowers owners to perform their own maintenance and repairs, saving on costly professional labor and extending the vehicle's lifespan.

📋 Manual Details

Coverage Areas

Covered Years:

1983, 1984, 1985, 1986, 1987

Specific Models Covered:

Suzuki LT 125 models from model years 1983, 1984, 1985, 1986, and 1987.

Page Count

Estimated Page Count:

Variable (typically 200-400 pages for comprehensive manuals of this era, actual size may vary up to 5GB)

Manual Type

Manual Type:

Service Repair Manual / Workshop Manual / Factory Manual / Repair Guide

Language

Language:

English

Format

Digital Format:

PDF (downloadable, may be zipped/RAR)

📖 Manual Coverage

Systems Covered

Engine:

Complete engine overhaul, disassembly, assembly, tuning, lubrication, cooling system, starting system, ignition system, fuel system, exhaust system.

Transmission:

Transmission overhaul, gear inspection, clutch service, shifting mechanisms.

Drivetrain:

Drive shaft, rear axle, differential (if applicable), chain/belt drive maintenance and adjustment.

Suspension:

Front and rear suspension, shock absorbers, forks, swingarm maintenance and adjustment.

Brakes:

Brake system inspection, maintenance, adjustment, and component replacement (drums/discs, lines, master cylinder, calipers).

Electrical System:

Wiring diagrams, lighting, battery, charging system (stator, rectifier), ignition system components, starter motor, switches.

Bodywork And Chassis:

Frame inspection, body panel removal/installation, fenders, seat, handlebars, controls.

Wheels And Tires:

Wheel bearing maintenance, tire inspection and replacement, rim repair.

Carburetor Service:

Detailed instructions for carburetor cleaning, rebuilding, jetting, and adjustment, including idle speed and mixture screw settings.

Ignition System Components:

Service and testing of spark plug, ignition coil, CDI unit, and stator.

Procedures Included

Maintenance:

Regular servicing, lubrication schedule, fluid changes, filter replacement, spark plug service, valve adjustments.

Troubleshooting:

Diagnostic procedures for common problems such as no spark, starting issues, poor performance, electrical faults, engine noise.

Repair:

Detailed step-by-step instructions for component disassembly, repair, and reassembly across all major vehicle systems.

Rebuilding:

Comprehensive guides for engine rebuilds, transmission overhauls, and suspension component restoration.

Diagnostics:

Specific diagnostic trees and methods for identifying and resolving mechanical and electrical issues.

Installation:

Instructions for installing various components and accessories.

Technical Depth

Depth:

Factory-level technical detail suitable for DIY enthusiasts and professional mechanics, covering routine maintenance to complete engine rebuilds.

Diagnostic Tools:

Guidance on using basic hand tools and diagnostic techniques; no specialized electronic diagnostic tools required for this era.

📊 Manual Specifications

File Format

File Type:

PDF (.pdf)

Download Delivery:

Instant download via email and checkout page after payment.

Compatible Os:

All operating systems (Windows, Linux, Mac) with a PDF reader.

Print Quality

Printability:

Printable on any standard printer.

Binding Type

Binding:

N/A (Digital download only)

Paper Type

Paper Type:

N/A (Digital download only)

Searchability

Text Search:

Likely searchable text within the PDF for efficient information retrieval.

Illustrations

Illustrations Quality:

Illustrated with clear step-by-step instructions, including diagrams and exploded views.

⚙️ Engine Specifications

Primary Engine

Engine Type:

4-stroke, air-cooled, OHC

Displacement:

123 cc

Bore X Stroke:

52.0 mm x 57.8 mm (typical for this era and displacement)

Compression Ratio:

8.3:1 (typical)

Performance

Horsepower:

Approximately 9-12 HP (estimated, actual figures vary)

Torque:

Not explicitly provided, but consistent with its displacement.

Fuel System

Carburetor:

Mikuni VM18 (typical specification)

Fuel Type:

Unleaded gasoline

Fuel Delivery:

Gravity feed from fuel tank to carburetor.

Ignition

Ignition System:

CDI (Capacitor Discharge Ignition)

Starting

Starter System:

Recoil (kick) starter

Lubrication

Oil Type Specification:

SAE 10W-30 or 10W-40 API SE, SF or SG service classification (typical for the era)

Engine Components

Camshaft Type:

Single Overhead Camshaft (SOHC)

🔧 Transmission

Standard

Transmission Type:

5-speed constant mesh with automatic clutch

Optional

Reverse Gear:

Yes (standard feature on many LT 125 models)

Features

Clutch Type:

Automatic centrifugal clutch

📐 Dimensions

Exterior

Overall Length:

Approximately 1855 mm (73.0 in)

Overall Width:

Approximately 1105 mm (43.5 in)

Overall Height:

Approximately 1070 mm (42.1 in)

Weights

Dry Weight:

Approximately 137 kg (302 lbs)

Fuel Tank Capacity:

Approximately 9.0 L (2.4 US gal)

Ground Clearance:

Approximately 160 mm (6.3 in)

🛡️ Safety Features

Ratings

Safety Classification:

N/A (Recreational off-highway vehicle, no formal crash ratings)

Active Features

Braking System:

Front drum brakes, Rear drum brakes.

Passive Features

Frame Construction:

Steel tube frame.

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic recreational vehicle with no advanced electronics)

Driver Assistance

Driver Assistance Features:

Connectivity

Connectivity Features:

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 1,000 km (600 miles) or 6 months (typical recommendation)

Air Filter Cleaning:

Check every 500 km (300 miles), clean/replace as needed.

Spark Plug Service:

Inspect and gap every 1,000 km (600 miles)

Valve Clearance Adjustment:

Every 2,000 km (1,200 miles) or annually

Fluid Specifications

Engine Oil Capacity:

Approximately 1.5 L (1.6 US qt) with oil filter change

Transmission Oil Type:

Suzuki Gear Oil API GL-4 SAE 75W/90 (or equivalent)

Brake Fluid Type:

DOT 3 or DOT 4 (typical for the era)

Coolant Type:

N/A (Air-cooled engine)

Known Issues

Common Problems:

Carburetor gumming due to fuel standing, electrical connector corrosion, starter pull cord wear, suspension component wear, potential for rear axle bearing issues with heavy use.

Preventative Maintenance Focus:

Regular fuel stabilization, diligent cleaning of air filter, and proper lubrication of moving parts are key to longevity.

📚 Vehicle History

Brand Heritage

Suzuki Heritage:

Suzuki has a long history in motorcycle and ATV manufacturing, known for its innovative engineering and durable products. The LT series represented their early forays into the ATV market.

Model Evolution

Lt Series Evolution:

The LT 125 was one of Suzuki's foundational ATV models, paving the way for larger and more advanced models like the LT250, LT-R450, and the modern LT-Z series.

Production

Production Period:

1983 - 1987

Manufacturing Origin:

Japan (Suzuki Motor Corporation)

🏆 Awards & Recognition

Recognitions

Industry Awards:

N/A (Consumer-focused recreational vehicle, typically not subject to industry awards in the same way as automotive vehicles)