Target Audience:
Professional technicians, DIY mechanics, and owners seeking to maintain and repair their Hyosung Comet 250 GT250.
Learning Approach:
Step-by-step guidance to impart factory technician knowledge.
Accessibility:
Designed for users with basic electrical and mechanical concepts.
Benefit:
Enables owners to make informed decisions about maintenance and repairs, potentially saving on professional service costs.
Convenience:
Instant download allows for immediate access to repair information.
Primary Coverage:
Hyosung Comet 250 GT250
Specific Model Year Coverage:
2002
Estimated Page Count:
Not specified in provided information, typically 300-600 pages for this type of manual.
Type:
Service Repair Manual / Workshop Manual
Scope:
Combines factory service manual and owner's manual information.
Delivery Method:
Instant Download
Software Requirements:
Adobe PDF Reader, WinZip
Operating Systems:
All Versions of Windows & Mac
Printable:
Full Printable
Engine:
Detailed repair, disassembly, assembly, and troubleshooting of the 250cc engine.
Fuel System:
Carburetor system, fuel delivery, fuel tank, and related components.
Ignition System:
Ignition timing, spark plugs, coils, and related electrical components.
Transmission:
Gearbox operation, clutch system, maintenance, and repair procedures.
Electrical System:
Wiring diagrams, battery, charging system, lighting, starting system, and electronic components.
Chassis:
Frame, suspension (front and rear), steering, and wheel assembly.
Brakes:
Brake system maintenance, repair, and fluid specifications (likely hydraulic front, drum/disc rear depending on specific GT250 variant).
Cooling System:
Likely liquid-cooled, covering radiator, coolant, and associated components.
Exhaust System:
Inspection, maintenance, and replacement of exhaust components.
Bodywork And Fittings:
Fairings, seat, fuel tank, fenders, and other exterior components.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, brake checks, and general inspections.
Troubleshooting:
Diagnostic procedures for common problems and malfunctions.
Disassembly And Assembly:
Detailed step-by-step instructions for component removal and installation.
Cleaning And Reinstalling:
Procedures for cleaning parts during maintenance and repair.
Rebuilds:
Comprehensive instructions for engine and component rebuilds.
Depth:
Covers fundamentals to advanced repair, intended for professional technicians but accessible to DIY mechanics with basic knowledge.
Diagnostic Charts:
Likely includes symptom-based diagnostic flowcharts for common issues.
Torque Specifications:
Crucial torque values for engine, chassis, and suspension fasteners will be detailed.
Illustrations And Diagrams:
Includes detailed illustrations, exploded views, and wiring diagrams to aid in repair.
Type:
250cc V-twin, liquid-cooled (typical for GT250, confirmation for 2002 model needed from specific manual content).
Bore X Stroke:
Typically around 57.0 mm x 48.5 mm for the GT250, but specific values will be in the manual.
Horsepower:
Estimated 28-30 HP at RPM (exact figures in manual).
Torque:
Estimated 17-19 lb-ft at RPM (exact figures in manual).
Carburetion:
Dual Carburetors (typically Mikuni or similar, specific model in manual).
Fuel Capacity:
Typically around 14-17 Liters (confirm with manual).
Oil Type:
Requires motorcycle-specific engine oil, likely SAE 10W-40 or 20W-50, API SG or higher (verify in manual).
Oil Capacity:
Approximately 1.8-2.2 Liters with filter change (confirm in manual).
Length:
Approximately 2130 mm (confirm with manual).
Width:
Approximately 750 mm (confirm with manual).
Height:
Approximately 1100 mm (confirm with manual).
Dry Weight:
Approximately 170-180 kg (confirm with manual).
Gross Vehicle Weight:
Not specified, but will be higher than dry weight (refer to manual for load limits).
Crash Test Results:
Motorcycles of this era are not typically subjected to standardized crash testing like cars. Manual will focus on structural integrity and rider protection during operation.
Brakes:
Front disc brakes, rear disc or drum brakes (specific type for 2002 GT250 in manual). ABS was not common on this model.
Lighting:
Headlight, taillight, brake lights, turn signals (specifications and bulb types in manual).
Frame Design:
Likely a steel cradle frame, designed for stability and rider support (details in manual).
Oil Change:
Typically every 3,000-5,000 km or 6-12 months (refer to manual for exact intervals).
Spark Plug Replacement:
Typically every 10,000-15,000 km (verify specific plug type and gap in manual).
Air Filter Cleaning/Replacement:
Regular inspection and cleaning or replacement based on conditions, typically every 5,000-10,000 km (details in manual).
Chain Lubrication And Adjustment:
Regularly, every 500-1000 km or after riding in wet conditions (refer to manual for correct slack).
Brake Fluid:
DOT 4 recommended (verify in manual for specific requirements).
Coolant:
Ethylene glycol-based antifreeze coolant with a 50/50 mix with distilled water (verify in manual).
Fork Oil:
Specific viscosity (e.g., 10W) and quantity per fork leg will be detailed in the manual.
Electrical Connections:
Some older Hyosung models could experience issues with corrosion in electrical connectors if not properly maintained or protected.
Carburetor Tuning:
Carburetors may require periodic adjustment for optimal performance, especially with altitude changes or fuel variations.
Clutch Adjustment:
Clutch lever free play adjustment is crucial for smooth engagement and disengagement.
