Model:
Comet GT125 / GT250
Product Name:
Hyosung Comet GT125 GT250 2002-2010 Workshop Service Repair Manual Download
Covered Years:
2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Target Audience:
Do-it-yourselfers and experienced mechanics.
Value Proposition:
Inexpensive way to keep vehicle working properly.
Advantage:
Complete factory service information, downloadable for immediate use.
Navigation:
Numbered table of contents for fast information retrieval.
Instruction Style:
Numbered instructions for step-by-step guidance.
Engine Overhaul:
Complete disassembly and reassembly procedures.
Fuel System:
Carburetor adjustment, cleaning, and rebuild.
Ignition System:
Ignition timing, spark plug specifications, coil diagnosis.
Transmission:
Gearbox inspection, repair, and clutch service.
Cooling System:
Radiator, fan, and coolant circulation system maintenance.
Electrical System:
Wiring diagrams, component testing, troubleshooting.
Chassis:
Frame inspection, fork and shock absorber service.
Braking System:
Brake pad replacement, caliper service, hydraulic system bleeding.
Suspension:
Front fork and rear shock absorber maintenance and adjustment.
Wheels And Tires:
Tire pressure recommendations, wheel bearing service.
Exhaust System:
Exhaust pipe and muffler inspection and replacement.
Bodywork:
Fairing removal and installation, seat servicing.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment.
Troubleshooting:
Diagnostic procedures for common and uncommon issues.
Repair:
Step-by-step repair instructions for all major components.
Disassembly Reassembly:
Complete guidance for taking apart and putting back together the motorcycle.
Electrical Diagnostics:
Troubleshooting electrical faults with detailed wiring diagrams.
Depth:
Comprehensive, from basic maintenance to full rebuilds.
Detail Level:
Step-by-step instructions with detailed substeps.
Visual Aids:
Hundreds of photos, illustrations, drawings, and enlarged insets.
Warnings Cautions:
Includes notes, cautions, and warnings for critical information.
Crash Test Results:
Not typically rated by governmental agencies for this class of motorcycle.
Braking:
Disc brakes front and rear (specifications vary).
Lighting:
Halogen headlight, LED taillight/indicators (model dependent).
Frame Construction:
Steel frame for structural integrity.
Oil Change:
Typically every 3,000-5,000 km or 6-12 months (refer to manual for precise intervals).
Spark Plug Replacement:
Refer to manual, often around 10,000-20,000 km.
Chain Lubrication Adjustment:
Regularly, as needed based on riding conditions.
Engine Oil Type:
API SG or higher, SAE 10W-40 or 20W-50 motorcycle specific oil recommended.
Engine Oil Capacity:
Refer to manual (typically around 1.6-1.8 liters for GT250).
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for exact specification).
Coolant Type:
Ethylene glycol based coolant, 50/50 mix with distilled water.
Electrical Gremlins:
Some models may experience minor electrical issues, often related to connectors or grounds.
Carburetor Tuning:
Carburetors may require periodic cleaning and adjustment for optimal performance.
Idle Stability:
Occasionally reported: minor instability in idle RPM.
Manufacturer:
Hyosung (part of Hyosung Motors & Heavy Industries, South Korea)
Positioning:
Entry-level to mid-range sport cruiser/naked bike.
Competitors:
Kawasaki Ninja 250, Honda Rebel 250, Yamaha Virago 250 (depending on market and variant).
Manufacturing Location:
South Korea