Target Audience:
DIY enthusiasts, independent repair shops, and owners seeking detailed maintenance and repair guidance
Value Proposition:
Provides professional-grade repair information, saving significant costs compared to dealership service; instant access enhances usability.
Instructional Style:
Step-by-step instructions with detailed exploded view diagrams and pictures for clarity and efficiency.
Accessibility:
Instant download eliminates shipping costs and waiting times, providing immediate access to critical repair data.
Engine Systems:
Engine overhaul, internal components, tuning, diagnostics, lubrication
Transmission Clutch:
Gearbox disassembly, reassembly, clutch operation, adjustment, replacement
Cooling System:
Radiator, hoses, thermostat, fan, coolant specifications and flushing
Fuel System:
Carburetor(s) disassembly, cleaning, adjustment, fuel pump, fuel lines, tank
Braking System:
Front and rear brake caliper service, master cylinder, brake lines, bleeding procedure, pad replacement
Suspension Steering:
Front forks, rear shock absorber, steering head bearings, linkage maintenance
Electrical System:
Ignition system, battery, charging system (stator, rectifier/regulator), lighting, starter motor, switches
Body Fixtures:
Fairings, seat, fuel tank removal, fenders, minor bodywork repairs
Exhaust System:
Exhaust pipe, muffler removal and installation, gasket replacement
Wheels Tyres:
Wheel bearing maintenance, tyre pressure, tyre replacement, wheel balancing
Wiring Diagrams:
Comprehensive electrical wiring schematics for all systems
Maintenance:
Routine maintenance checks, oil changes, filter replacements, chain adjustment, spark plug service
Troubleshooting:
Diagnostic procedures for common problems across all systems
Repair Overhaul:
Step-by-step instructions for component disassembly, inspection, repair, and reassembly
Depth:
Comprehensive professional-level coverage, suitable for major repairs and rebuilds
Engine Type Gt125:
Likely a V-twin, liquid-cooled, 4-stroke
Engine Type Gt250:
Likely a V-twin, liquid-cooled, 4-stroke
Displacement Gt125:
Approximately 124cc (Specific data would be in the manual)
Displacement Gt250:
Approximately 249cc (Specific data would be in the manual)
Fuel Delivery Typical:
Carburetor(s) (Specific models might have EFI, but the manual likely covers carburetors as standard for these models)
Instrument Cluster:
Analog or digital/analog combination for speedometer, tachometer, odometer, fuel gauge, and indicator lights.
ABS Availability:
ABS was not standard on most models in this era; manual will indicate if applicable for specific variants.
Oil Change Interval:
Typically every 3,000-5,000 km or annually (specific interval in manual)
Spark Plug Replacement:
Generally around 6,000-12,000 km (specific type and gap in manual)
Engine Oil Type:
API SG, SH, SJ or higher, SAE 10W-40 or 20W-50 motorcycle specific oil recommended (verify in manual)
Coolant Type:
Ethylene glycol based, permanent type antifreeze (50/50 mix with distilled water), specific type in manual
Common Wear Items:
Clutch plates, brake pads, fork seals, steering head bearings, rectifier/regulator (details for diagnosis and replacement are in the manual)
Carburetor Tuning:
Can be sensitive to altitude and air filter condition; requires periodic adjustment (manual covers this process)
Manufacturer:
Hyosung Motors & Manufacturing Co., Ltd. (South Korea)
Design Influence:
The Comet series typically draws inspiration from classic sportbike and cruiser designs, often featuring V-twin engines.
Production Period Start:
Early 2000s (as indicated by the 2002 onwards coverage)