Target Audience:
Owners of Hyosung GT125 and GT250 Comet motorcycles seeking to perform maintenance, repairs, and diagnostics themselves, as well as independent repair shops.
Manual Advantage:
Provides professional-grade information, comprehensive coverage, and visual aids, rivalling official manufacturer service manuals in detail. Instant download offers immediate access for urgent repairs.
Feature 1:
Instant download for immediate use.
Feature 2:
Comprehensive coverage of all systems and models from 2002 onwards.
Feature 3:
High-quality images and diagrams to aid understanding.
Feature 4:
Detailed troubleshooting guides.
Feature 5:
Professional quality information comparable to OEM manuals.
General Coverage:
Comprehensive A-Z service and repair for all models from 2002 onwards.
Specific Systems Covered:
Engine, Clutch, Transmission, Cooling System, Fuel System, Exhaust System, Ignition System, Electrical System, Braking System, Wheels, Tires, Steering System, Suspension System, Frame, Bodywork, Troubleshooting.
Estimated Page Count:
Detailed page count not specified, but described as 'Full & Complete' and covering 'All Major Repair Topics in Great Detail'.
Type:
Service Repair Workshop Manual
Engine Mechanical:
Complete engine teardown, assembly, component inspection (pistons, rings, cylinders, crankshaft, camshafts, valves, etc.), timing procedures, lubrication system.
Engine Fuel System:
Carburetor or fuel injection system service, cleaning, adjustment, fuel pump, fuel filter replacement, fuel tank service.
Engine Ignition System:
Spark plug specifications, ignition timing, coil testing, CDI unit diagnostics, sensor testing (if applicable).
Clutch:
Clutch disc inspection, pressure plate, release mechanism, clutch cable adjustment/replacement.
Transmission:
Gearbox disassembly, inspection of gears, shafts, bearings, shift drum and forks, transmission fluid specifications and change intervals.
Cooling System:
Radiator service, coolant specifications, water pump inspection and replacement, thermostat function, fan operation.
Exhaust System:
Exhaust pipe and muffler inspection, gasket replacement, emissions control systems (if applicable).
Electrical System:
Battery specifications, charging system (alternator/stator, regulator/rectifier), starter motor, lighting circuits, horn, instrumentation, fuses, relays.
Brakes:
Brake fluid specifications, caliper service, pad replacement, disc inspection, master cylinder overhaul, brake hose inspection, bleeding procedures.
Wheels And Tires:
Tire pressure recommendations, tire wear inspection, wheel bearing service, rim repair/replacement, spoke tensioning (if applicable).
Steering And Suspension:
Handlebar bearing service, steering head bearing adjustment and replacement, front fork overhaul (oil change, seal replacement), rear shock absorber inspection and replacement, swingarm bearing service.
Frame And Bodywork:
Frame inspection for damage, fairing removal and installation, seat repair, fuel tank mounting and service, cosmetic panel replacement.
Wiring Diagrams:
Detailed electrical wiring schematics for all systems, component identification on diagrams, troubleshooting flowcharts.
Maintenance Scheduled:
Regular service intervals, oil change, filter replacement, chain adjustment and lubrication, brake checks, tire checks, coolant checks.
Repair Major:
Complete engine rebuild, transmission overhaul, suspension component replacement, brake system repairs, electrical component diagnostics and replacement.
Troubleshooting:
Systematic fault finding procedures for common issues, diagnostic flowcharts, symptom-based troubleshooting guides.
Assembly Disassembly:
Step-by-step instructions for the removal and installation of all major components and sub-assemblies.
Depth:
Professional level, covering everything from basic maintenance to complete engine and transmission rebuilds. Suitable for experienced mechanics and dedicated DIY enthusiasts.
Diagnostic Capabilities:
Advanced diagnostic procedures for electrical and mechanical systems, including component testing and troubleshooting guides.
Compatibility:
Works on all operating systems including Windows (95, 98, 2000, Me, Xp, Vista, 7, 8, 10, 11) and MAC OS.
Searchability:
Likely searchable PDF due to digital format, allowing quick access to specific topics.
Quality:
High quality, with numerous pictures and diagrams.
Type:
Not Applicable (Digital Download)
Type:
Not Applicable (Digital Download)
Gt125 Engine Type:
Liquid-cooled, 4-stroke, V-twin (typically)
Gt125 Displacement:
125cc
Gt250 Engine Type:
Liquid-cooled, 4-stroke, V-twin
Gt250 Displacement:
249cc
Gt125 Horsepower Est:
Approx. 15-18 HP (varies by market and specific model year)
Gt250 Horsepower Est:
Approx. 27-30 HP (varies by market and specific model year)
Gt125 Fuel Delivery:
Carburetor (e.g., Mikuni B26 or similar) or Fuel Injection (later models/variants)
Gt250 Fuel Delivery:
Carburetor (e.g., Mikuni B26 or similar) or Fuel Injection (later models/variants)
Cooling Method:
Liquid Cooling
Oil Change Interval:
Typically every 3,000-6,000 km or 6-12 months, as detailed in manual.
Chain Lube Clean Interval:
Every 500-1,000 km or after riding in wet conditions, as detailed in manual.
Spark Plug Replacement:
Refer to manual for specific mileage; typically 10,000-20,000 km.
Engine Oil Type:
API SG or higher, SAE 10W-40 or 20W-50 recommended. Specific grade to be confirmed in manual.
Engine Oil Capacity:
Approx. 1.8 - 2.0 Liters (with filter change). Exact capacity in manual.
Coolant Type:
Ethylene glycol based, permanent type antifreeze (50% solution). Manual specifies required type.
Brake Fluid Type:
DOT 4 recommended. Manual specifies exact type and procedure.
Common Maintenance Points:
Carburetor synchronization, idle speed adjustment, chain wear, valve clearance checks, charging system output.
Potential Reliability Concerns:
Some early models may exhibit minor electrical gremlins or require more frequent carburetor tuning. Consistent maintenance addresses these. Manual is key.
