Target Audience:
Mechanics and DIY individuals seeking detailed repair information for the Hyosung Aquila GV250.
Value Proposition:
Provides comprehensive, step-by-step procedures and technical data for efficient and accurate repair, reducing reliance on costly dealership services.
Ease Of Use:
Prepared with simple explanations to facilitate understanding for personnel with varying levels of experience.
Completeness:
Guaranteed 100% complete and intact, with no missing or corrupt pages/sections.
Engine:
Comprehensive coverage including disassembly, assembly, adjustment, and troubleshooting.
Fuel System:
Carburetor systems, fuel pump, fuel lines, and filters.
Ignition System:
Ignition timing, spark plugs, coils, and CDI unit.
Transmission Clutch:
Clutch operation, disassembly, assembly, and transmission gear inspection/replacement.
Chassis Frame:
Frame inspection, steering head bearing service, and general chassis components.
Suspension:
Front fork (telescopic) service, rear shock absorber inspection and replacement.
Brakes:
Front and rear brake systems (likely hydraulic disc), including caliper service, fluid replacement, and bleeding procedures.
Electrical System:
Wiring diagrams, battery service, charging system (alternator/stator), starter motor, lighting, and instrumentation.
Cooling System:
Air cooling system inspection, fin cleaning.
Exhaust System:
Exhaust pipe and muffler inspection and maintenance.
Wheels Tires:
Wheel bearing service, tire pressure checks, and general wheel maintenance.
Bodywork Trim:
Fender, fuel tank, seat, and other body panel removal and installation.
Maintenance:
Routine maintenance procedures, service intervals, lubrication points, fluid changes.
Troubleshooting:
Diagnostic guides for common problems, symptom-based troubleshooting.
Repair:
Detailed step-by-step instructions for component repair and replacement.
Disassembly Assembly:
Comprehensive breakdown and reassembly of all major vehicle components.
Adjustments:
Carburetor synchronization, valve clearance adjustments, brake lever adjustments, clutch cable adjustments.
Special Tools:
Identification and usage instructions for specialized service tools.
Depth:
Extremely detailed, comprehensive, bumper-to-bumper coverage suitable for both professional mechanics and experienced DIY enthusiasts.
Illustrations:
Includes detailed illustrations, exploded diagrams, drawings, and photos for visual guidance.
Specifications:
Provides service data, factory specifications, allowable limits, and tightening torques.
Engine Type:
Air-cooled, 4-stroke, V-twin (based on typical GV250 specifications).
Displacement:
249 cc (cubic centimeters)
Bore X Stroke:
Typically around 57.0 mm x 48.6 mm (verify with specific model year data).
Compression Ratio:
Typically around 10.0:1 (verify with specific model year data).
Horsepower:
Approx. 24-26 HP at 8,500-9,000 RPM (typical for this displacement and engine configuration).
Torque:
Approx. 21-23 Nm at 6,500-7,000 RPM (typical for this displacement and engine configuration).
Fuel Delivery:
Carburetor (likely dual Mikuni carburetors, e.g., VM26 or similar).
Fuel Type:
Unleaded gasoline, minimum octane rating typically 91.
Oil Type:
Refer to manual for specific viscosity (e.g., SAE 10W-40 or 20W-50 motorcycle specific).
Oil Capacity:
Refer to manual for exact capacity, typically around 1.7-1.9 liters with filter change.
Valve Actuation:
DOHC (Dual Overhead Camshaft) with 4 valves per cylinder (typical for GV250).
Valve Clearance Intake:
Specify exact values (e.g., 0.04-0.08 mm) as per manual.
Valve Clearance Exhaust:
Specify exact values (e.g., 0.06-0.10 mm) as per manual.
Length:
Approximately 2200 mm (verify with specific model year).
Width:
Approximately 830 mm (verify with specific model year).
Height:
Approximately 1160 mm (verify with specific model year).
Dry Weight:
Approximately 170-175 kg (verify with specific model year).
Fuel Tank Capacity:
Approximately 14 liters (verify with specific model year).
Front Tire Size:
Typically 110/90-16
Rear Tire Size:
Typically 150/90-15
Front Wheel Type:
Spoked or cast alloy
Rear Wheel Type:
Spoked or cast alloy
Safety Certification:
CE, DOT, etc. (depending on market of original sale, manual does not certify).
Braking System:
Front and rear disc brakes.
Lighting:
Headlight, taillight, turn signals, brake light.
Oil Change Interval:
Refer to manual; typically every 3,000 - 5,000 km or 6 months, whichever comes first.
Valve Clearance Check:
Refer to manual; typically every 6,000 - 10,000 km.
Spark Plug Replacement:
Refer to manual; typically every 12,000 - 18,000 km.
Brake Fluid:
DOT 3 or DOT 4 (verify specific requirement in manual).
Coolant:
Air-cooled, no coolant required.
Common Wear Items:
Clutch plates, brake pads, chain and sprockets, steering head bearings, and fork seals are common wear items on many motorcycles and may require periodic attention.
Electrical Gremlins:
While not exclusive to Hyosung, older models can sometimes develop minor electrical connection issues if not maintained properly, especially related to corrosion.
Manufacturer:
Hyosung Motors & Manufacturing Co., Ltd. (South Korea)
Gv250 Development:
The GV250 Aquila is part of Hyosung's cruiser line, known for offering accessible styling and performance, often targeting riders looking for a classic V-twin cruiser experience at a competitive price point.
Production Period:
Launched in the early 2000s, with various updates and iterations over the years.
