🏷️ Basic Information Identification Make: Hyosung Model: GT250 REi Comet Codes Model Year Coverage: 2009, 2010, 2011, 2012 👋 Introduction Market Position Target Audience: Hyosung GV250 Aquila and GT250 Comet owners seeking to perform their own maintenance and repairs, and independent motorcycle workshops. Competitive Analysis Value Proposition: Provides significant cost savings compared to dealership servicing by enabling DIY repairs with expert-level guidance. Key Features Ease Of Use: Features step-by-step instructions and pictures to simplify complex procedures. Accessibility: Instantly downloadable and accessible on multiple devices (PC, Mac, tablets, smartphones). 📋 Manual Details Coverage Areas General Coverage: Complete Workshop Service Repair Page Count Estimated Page Count: Extensive (specific count not provided, but stated as 'covers every Service & Repair Procedure') Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine Systems: Engine assembly, disassembly, lubrication, cooling, fuel injection system (Ei), ignition system, exhaust system, starting system, charging system. Transmission Systems: Clutch operation and maintenance, gearbox internals, shift mechanism, final drive (chain and sprockets). Chassis Systems: Frame inspection and repair, suspension (front forks, rear shock absorber), steering system, wheels and tires, brake systems (front and rear discs), electrical system (wiring diagrams, lighting, indicators, horn, battery). Bodywork And Fittings: Body panel removal and installation, seating, fuel tank, fenders, fairings, instrumentation, controls. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug service, chain adjustment and lubrication, tire pressure checks, brake pad inspection, coolant checks. Troubleshooting Diagnostics: Step-by-step diagnostic procedures for common problems, fault finding for electrical and mechanical issues, error code interpretation (if applicable to Ei models). Repair Rebuild: Detailed instructions for engine component overhaul (pistons, rings, valves), transmission rebuild, suspension fork service, brake caliper overhaul, electrical component replacement. Specifications Data: Torque specifications, clearance measurements, fluid capacities, electrical resistance values, engine timing, emissions data (where applicable). Technical Depth Depth Of Coverage: Comprehensive from basic maintenance to full engine and component rebuilding, suitable for DIY enthusiasts and professional technicians. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High quality, designed to be printable chapter by chapter or in its entirety. Binding Type Binding Type: Not applicable (downloadable digital format) Paper Type Paper Type: Not applicable (downloadable digital format) Software Requirements Required Software: Adobe Reader (or compatible PDF reader) ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, 4-stroke, V-twin Displacement: 249 cc (250cc class) Fueling System: Electronic Fuel Injection (Ei) for 2009-2012 models Performance Horsepower Estimated: Approximately 27-30 HP (specific figures may vary slightly by year and market) Torque Estimated: Approximately 23-25 Nm (specific figures may vary slightly by year and market) Fuel System Fuel Type: Unleaded gasoline Ignition System: Electronic Ignition (CDI or similar) Cooling System Cooling Method: Air-cooled 🔧 Transmission Standard Transmission Type: Constant mesh, 5-speed Clutch Type: Wet, multi-plate Features Final Drive: Chain drive 📐 Dimensions Exterior Gv250 Aquila Style: Cruiser style motorcycle Gt250Rei Comet Style: Sport-style/naked motorcycle Weights Gv250 Aquila Dry Weight Estimated: Approx. 177 kg (390 lbs) Gt250Rei Comet Dry Weight Estimated: Approx. 172 kg (379 lbs) Fuel Capacity Estimated: Approx. 14 liters (3.7 US gal) 🛡️ Safety Features Active Features Braking System Front: Disc brake (single or dual depending on specific variant/market) Braking System Rear: Disc brake Passive Features Lighting: Headlight, taillight, brake lights, turn signals 💡 Technology Features Infotainment Instrumentation: Analog tachometer and speedometer, fuel gauge, odometer, trip meter, indicator lights (may vary slightly between Aquila and Comet). Driver Assistance ABS Availability: ABS was typically not a standard feature on these models during this period, but may have been an option in certain markets. Manual will detail if applicable. Connectivity Charging System: Standard 12V electrical system with alternator/stator and battery for ignition and accessories. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 - 5,000 km (1,800 - 3,000 miles) or 6 months, refer to manual for exact schedule. Spark Plug Replacement: Recommended at 10,000 - 12,000 km (6,000 - 7,500 miles) intervals, check manual for specific type and gap. Chain Maintenance: Regular cleaning, lubrication, and tension adjustment (check tension at 1,000 km and then every 2,000 km). Fluid Specifications Engine Oil Type Estimated: API SG or higher, SAE 10W-40 or 20W-50 motorcycle-specific oil (confirm with manual). Engine Oil Capacity Estimated: Approx. 1.7 - 2.0 liters with filter change (verify with manual). Brake Fluid Type: DOT 3 or DOT 4 (refer to manual for specific recommendation). Coolant Type: Ethylene glycol based antifreeze, pre-mixed or concentrate with distilled water (confirm with manual). Known Issues Common Wear Items: Clutch plates, brake pads, chain and sprockets, wheel bearings, fork seals (typical for this class of motorcycle). Gv250 Specific Notes: Owners sometimes report minor electrical gremlins or carburetor (on older non-Ei models) tuning issues, though Ei versions improve reliability. Regular V-twin maintenance is key. Gt250Rei Specific Notes: Can be susceptible to vibration-related issues if not properly maintained;...