HYOSUNG GT125 GT250 COMET Service Repair Manual 2002-ONWARDS

Name: HYOSUNG GT125 GT250 COMET Service Repair Manual 2002-ONWARDS
Brand: Hyosung
SKU: 135234
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Tipo: Motorcycle

Proveedor:

Hyosung

SKU: 135234

Etiquetas: 2002 GT125 GT250 GT250 COMET Hyosung Motorcycle Motorcycles

Variantes de producto

Descripción

The GT125 Comet and GT250 Comet, produced from 2002 onwards, represent a compelling entry into the sportbike and naked bike segments. These models are known for offering V-twin engine configurations, providing a distinct riding experience and accessible performance for enthusiasts and daily commuters alike. Engineered in South Korea, motorcycles in this series are designed to deliver reliable operation and an engaging ride, making them a popular choice for riders seeking value and distinctive styling. This comprehensive Service Repair Workshop Manual is your definitive guide for the maintenance, repair, and overhaul of your GT125 Comet or GT250 Comet. Covering all aspects of the motorcycle from A-Z, this extensive manual provides detailed procedures for engine and clutch, transmissions, cooling systems, fuel and exhaust, ignition and electrical systems, brakes, wheels, tires, steering, suspension, and frame. It includes routine maintenance, fault-finding diagnostics, engine rebuild instructions, and electrical troubleshooting with comprehensive wiring diagrams, all supported by high-quality illustrations to ensure clarity for DIY mechanics, enthusiasts, and professional workshops.

🏷️ Basic Information

Identification

Make:

Hyosung

Model:

GT250 Comet

Year Range Covered:

2002 onwards

Codes

Product Code:

HYO-GT125-250-SRM-PDF

👋 Introduction

Market Position

Target Audience:

DIY mechanics, enthusiasts, and professional workshops seeking comprehensive repair data.

Competitive Analysis

Value Proposition:

Provides professional-grade information at an accessible price, enabling self-sufficient maintenance and repair.

Key Features

Delivery:

Instant Download for immediate access and use.

Quality:

Professional quality information trusted by technicians.

📋 Manual Details

Coverage Areas

Coverage:

All repairs covered A-Z, all models

Page Count

Page Count Estimate:

Extensive (typical for professional workshop manuals, often 500+ pages)

Manual Type

Type:

Service Repair Workshop Manual

Language

Language:

English

Format

Format:

PDF

📖 Manual Coverage

Systems Covered

Engine And Clutch:

Detailed overhaul, repair, and adjustment of engine components and clutch system.

Transmissions:

Service and repair procedures for the gearbox and related components.

Cooling Systems:

Maintenance, inspection, and repair of radiators, coolant flow, and associated components.

Fuel And Exhaust:

Carburetor/fuel injection system service, fuel pump, lines, and exhaust system maintenance.

Ignition And Electrical:

Spark plugs, ignition coils, battery, charging system, starter motor, and lighting system diagnostics.

Brakes And Brake Assembly:

Hydraulic system, brake pads, discs, calipers, levers, and pedal adjustments.

Wheels And Tires:

Wheel bearing service, tire pressure, replacement, and balancing procedures.

Steering And Suspension:

Handlebar steering assembly, front forks, rear shock absorbers, and linkage maintenance.

Frame And Bodywork:

Chassis inspection, fairing removal/installation, and body panel repairs.

Wiring Diagrams:

Comprehensive electrical schematic diagrams for troubleshooting and repair.

Procedures Included

Maintenance And Servicing:

Routine checks, oil changes, filter replacements, chain adjustment, and lubrication.

Fault Finding Troubleshooting:

Systematic diagnostic procedures for identifying and resolving common and complex issues.

Engine Rebuild:

Complete engine disassembly, inspection, repair, and reassembly instructions.

Suspension Overhaul:

Front fork seal replacement, rear shock absorber service, and linkage bearing maintenance.

Electrical Diagnostics:

Troubleshooting shorts, open circuits, and component failures using wiring diagrams.

Technical Depth

Depth:

Professional Quality Information; detailed repair and overhaul procedures for all major systems.

Illustrations:

Lots of high-quality pictures and diagrams for visual guidance.

📊 Manual Specifications

File Format

Format:

PDF (Portable Document Format)

Compatibility:

Compatible with all operating systems (Windows 95 to Windows 11, macOS, Linux).

Searchability:

Likely contains searchable text, enabling quick access to specific information.

Print Quality

Printability:

Designed for printing, with clear layouts and legible text.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Gt125 Engine Type:

V-twin, 4-stroke, DOHC (likely)

Gt125 Displacement:

124.7 cc

Gt250 Engine Type:

V-twin, 4-stroke, DOHC (likely)

Gt250 Displacement:

249 cc

Performance

Gt125 Power Output Estimate:

Approx. 15-18 HP (varies by market and specific model year)

Gt250 Power Output Estimate:

Approx. 27-30 HP (varies by market and specific model year)

Fuel System

Fuel Delivery:

Carbureted (likely for earlier models, possible EFI for later revisions)

Ignition System:

CDI (Capacitor Discharge Ignition) or Electronic Ignition

🔧 Transmission

Standard

Transmission Type:

5-speed constant mesh

Features

Clutch Type:

Wet multi-plate

📐 Dimensions

Exterior

Gt125 Dimensions:

Refer to specific model year specifications within the manual.

Gt250 Dimensions:

Refer to specific model year specifications within the manual.

Weights

Gt125 Dry Weight Estimate:

Approx. 160-170 kg

Gt250 Dry Weight Estimate:

Approx. 170-180 kg

🛡️ Safety Features

Ratings

Safety Standards:

Adheres to general motorcycle safety standards; specific crash ratings not typically applicable for this class.

Active Features

Braking System:

Front disc brake, Rear disc brake (typically).

Passive Features

Lighting:

Headlight, Taillight, Turn Signals (standard)

💡 Technology Features

Infotainment

Infotainment System:

Basic instrumentation; no advanced infotainment systems expected on models from this era.

Driver Assistance

Driver Assistance Features:

None expected; focus on fundamental motorcycle operation.

Connectivity

Connectivity Features:

None expected.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Refer to manual for specific mileage/time intervals (typically every 3,000-5,000 km or annually).

Spark Plug Replacement:

Refer to manual for specific intervals (e.g., 10,000-20,000 km).

Valve Clearance Check:

Refer to manual for specific intervals (e.g., 10,000-20,000 km).

Fluid Specifications

Engine Oil Type:

Refer to manual for specific viscosity grade (e.g., 10W-40) and API classification (e.g., SG or higher).

Coolant Type:

Ethylene glycol-based antifreeze coolant (refer to manual for specific mixture ratio and type).

Brake Fluid Type:

DOT 3 or DOT 4 hydraulic brake fluid (refer to manual for exact specification).

Known Issues

Common Wear Items:

Clutch wear, chain and sprockets wear, brake pad wear, electrical connections can be susceptible to corrosion.

Engine Characteristics:

V-twin engines can require precise carburetor synchronization. Some owners report occasional minor electrical gremlins.

📚 Vehicle History

Brand Heritage

Manufacturer:

Hyosung (South Korean motorcycle manufacturer)

Model Evolution

Comet Lineage:

The Comet series represents Hyosung's offering in the sportbike/naked bike segment, evolving over the years.

Production

Manufacturing Origin:

South Korea

🏆 Awards & Recognition

Recognitions

Model Awards:

No widely publicized major awards for these specific models, but generally recognized for offering accessible V-twin performance.