Hyosung Comet 250 GT250 2002-2010 Service Repair Manual

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Taper: Motorcycle

Distributeur:

UGS: 153328

Mots clés: 2002 2003 2004 2005 2006 2007 2008 2009 2010 Comet 250 GT250 Hyosung Motorcycle Motorcycles

Variantes de produits

Description

The Hyosung Comet GT250, produced from 2002 to 2010, is a V-twin sportbike known for its accessible performance and stylish design. This first-generation model, powered by a 249cc four-stroke V-twin engine, offers a balanced riding experience suitable for both commuting and recreational purposes. Its engineering emphasizes reliability and a straightforward mechanical platform, making it a popular choice for riders looking for an engaging introduction to sportbike riding. The Comet GT250 features hydraulic disc brakes, a 5-speed manual transmission, and a chain-driven final drive, all contributing to its dynamic appeal. This comprehensive service repair manual provides in-depth information essential for the maintenance and repair of the Hyosung Comet GT250 across its production years. It covers all major systems, including engine mechanicals, fuel, ignition, transmission, electrical systems, brakes, suspension, and steering. Detailed procedures for routine maintenance, troubleshooting common issues, component disassembly and reassembly, and technical specifications are included. This manual is designed to assist professional technicians and experienced DIY mechanics in ensuring the optimal performance and longevity of their Comet GT250.

🏷️ Basic Information

Identification

Make:

Hyosung

Model:

Comet GT250

Model Variant:

GT250

Codes

Chassis Code:

GT250 (common)

Generation

Generation Designation:

First Generation (2002-2010)

👋 Introduction

Market Position

Target Audience:

Professional technicians and DIY mechanics with basic electrical and mechanical knowledge.

Key Features

Value Proposition:

Provides factory-level repair and maintenance information for the Hyosung Comet GT250 (2002-2010) in an accessible digital format.

Completeness:

Aims to replicate the content of factory service manuals and owner's manuals.

📋 Manual Details

Coverage Areas

Applicable Years:

2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

Geographic Coverage:

Global (assumed based on typical service manual distribution)

Engine Variants Covered:

250cc V-Twin Engine

Page Count

Estimated Page Count:

N/A (digital format, variable)

Manual Type

Type:

Service Repair Manual / Workshop Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine disassembly, assembly, overhaul, timing, valve clearance adjustment, lubrication system, cooling system.

Fuel System:

Carburetor systems (likely Mikuni or similar), fuel tank, fuel lines, fuel pump (if applicable), fuel filter replacement.

Ignition System:

Ignition timing, spark plugs, ignition coils, CDI unit, wiring diagrams for ignition.

Transmission Drivetrain:

Clutch operation, gear shifting mechanism, transmission disassembly and assembly, final drive (chain and sprockets).

Electrical System:

Battery, charging system (alternator, regulator/rectifier), starting system (starter motor, solenoid), lighting system, instrumentation, wiring diagrams.

Braking System:

Front and rear brake systems (likely disc brakes), brake fluid replacement, caliper maintenance, master cylinder, brake pad replacement.

Suspension System:

Front fork (telescopic), rear shock absorbers, swingarm, linkage maintenance.

Steering System:

Handlebar, steering stem, bearings, lubrication.

Frame Bodywork:

Frame inspection, body panel removal and installation, seat, fuel tank, fairings.

Procedures Included

Maintenance:

Routine maintenance checks, oil changes, filter replacements, chain adjustment, lubrication points.

Troubleshooting:

Diagnostic procedures for common problems, symptom-based troubleshooting guides.

Repair:

Step-by-step instructions for component removal, repair, and reinstallation.

Disassembly Assembly:

Detailed procedures for taking apart and putting back together various vehicle sub-assemblies.

Cleaning Reinstallation:

Procedures for cleaning parts and proper reinstallation techniques.

Technical Depth

Depth:

Comprehensive: Covers from basic maintenance to complex engine and electrical system repairs, suitable for professional technicians and advanced DIYers.

📊 Manual Specifications

File Format

File Type:

Print Quality

Printable:

Yes (Full Printable)

Zoom Functionality:

Yes (Zoom IN/OUT)

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Quality:

N/A (Digital Download)

Delivery

Delivery Method:

Instant Download

Requirements

Software Requirements:

Adobe PDF Reader, WinZip

Operating System Compatibility:

All Versions of Windows & Mac

⚙️ Engine Specifications

Primary Engine

Engine Type:

V-Twin, Four-Stroke

Displacement:

249cc

Bore X Stroke:

57.0 mm x 48.8 mm (typical for this model, confirm with manual)

Cooling System:

Air-cooled (most common for this generation)

Valvetrain:

DOHC, 4 valves per cylinder (typical)

Performance

Horsepower:

Approx. 29-32 HP @ 10,000 RPM (estimated, varies by specific model year and tune)

Torque:

Approx. 20-22 Nm @ 8,000 RPM (estimated)

Fuel System

Carburetor Type:

Dual Carburetors (e.g., Mikuni VM26 or similar)

Fuel Type:

Unleaded Gasoline (Octane rating as specified in manual)

Lubrication

Oil Type And Capacity:

Refer to manual for specific SAE viscosity grade (e.g., 10W-40) and capacity (typically around 1.8-2.0 liters).

🔧 Transmission

Standard

Transmission Type:

5-Speed Manual

Optional

Optional Transmission:

N/A (standard for this model)

Features

Clutch Type:

Wet, Multi-plate Clutch

Final Drive:

Chain Driven

📐 Dimensions

Exterior

Overall Length:

Refer to manual (typically around 2100-2200 mm)

Overall Width:

Refer to manual (typically around 750-800 mm)

Overall Height:

Refer to manual (typically around 1150-1200 mm)

Weights

Dry Weight:

Approx. 175-185 kg (estimated)

Wet Weight:

Approx. 190-200 kg (estimated, with all fluids)

Fuel Tank Capacity:

Approx. 15-17 Liters (estimated)

🛡️ Safety Features

Ratings

Safety Ratings:

N/A (Motorcycles typically do not have standardized crash ratings like cars)

Active Features

Braking System Type:

Hydraulic Disc Brakes (Front & Rear)

Front Brake Spec:

Single Disc with 2-Piston Caliper (typical)

Rear Brake Spec:

Single Disc with 1 or 2-Piston Caliper (typical)

Passive Features

Lighting:

Halogen Headlight, LED/Incandescent Taillight and Turn Signals (as per model year)

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic motorcycle instrumentation)

Driver Assistance

Driver Assistance Features:

Connectivity

Connectivity Options:

🔧 Maintenance

Service Intervals

Oil Change Interval:

Refer to manual (typically every 3,000 - 5,000 km or 6 months, whichever comes first)

Spark Plug Replacement:

Refer to manual (e.g., every 10,000 - 15,000 km)

Valve Clearance Check:

Refer to manual (typically every 10,000 - 15,000 km)

Chain Lubrication Adjustment:

Frequent checks recommended, especially under heavy use (e.g., every 500-1000 km).

Fluid Specifications

Engine Oil Viscosity:

SAE 10W-40 is a common recommendation, but always verify in the manual.

Brake Fluid Type:

DOT 3 or DOT 4 (as specified in manual)

Coolant Type:

N/A (Air-cooled engine)

Fork Oil Type And Level:

Refer to manual for specific viscosity and fill level.

Known Issues

Common Wear Items:

Clutch plates, brake pads, fork seals, battery, tires, chain and sprockets.

Potential Electrical Gremlins:

Wiring harness connections, regulator/rectifier issues (common on many motorcycles).

Carburetor Tuning:

Can require periodic adjustment for optimal performance and fuel economy.

📚 Vehicle History

Brand Heritage

Manufacturer Origin:

South Korea

Model Evolution

Introduction Year:

Updates During Production:

Minor cosmetic and component updates may have occurred between 2002 and 2010, but the core platform remained consistent.

Production

Production Period:

2002 - 2010 (for this specific generation)

🏆 Awards & Recognition

Recognitions

Awards And Recognitions:

N/A (Specific awards for this model are not widely documented, generally positioned as an affordable entry-level sportbike.)