Market Segment:
        
        
            Cruiser/Custom Motorcycle segment, aimed at riders seeking classic styling with modern performance.
        
     
    
    
        
            Competitors:
        
        
            Competes with entry-level and mid-displacement cruisers from brands like Honda (Shadow series), Yamaha (V-Star series), Kawasaki (Vulcan series), and Suzuki (Boulevard series).
        
     
    
    
        
            Styling:
        
        
            Classic cruiser aesthetics with a V-twin engine, chrome accents, and comfortable riding position.
        
     
    
        
            Engine Configuration:
        
        
            V-twin engine design, a hallmark of the cruiser segment.
        
     
 
    
    
    
        
            Engine System:
        
        
            Comprehensive coverage of engine disassembly, reassembly, troubleshooting, and maintenance.
        
     
    
        
            Transmission System:
        
        
            Detailed procedures for gearbox maintenance, repair, and clutch operation.
        
     
    
        
            Fuel System:
        
        
            Covers fuel delivery, carburetor/injection systems (depending on model year), and fuel tank maintenance.
        
     
    
        
            Electrical System:
        
        
            Includes detailed wiring diagrams, starter system, charging system, ignition system, lighting, and accessories.
        
     
    
        
            Brake System:
        
        
            Procedures for brake fluid replacement, pad/shoe replacement, caliper/master cylinder service.
        
     
    
        
            Suspension System:
        
        
            Fork maintenance, rear shock absorber service, and linkage lubrication.
        
     
    
        
            Cooling System:
        
        
            Radiator, fan, and coolant maintenance (for liquid-cooled variants).
        
     
    
        
            Exhaust System:
        
        
            Repair and replacement procedures for mufflers, pipes, and catalytic converters (if applicable).
        
     
    
        
            Frame And Bodywork:
        
        
            Procedures for fairing removal/installation, seat maintenance, and frame inspection.
        
     
    
    
        
            Disassembly Reassembly:
        
        
            Complete, step-by-step instructions with photos for virtually every component.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic charts and procedures for identifying and resolving common issues.
        
     
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, chain adjustments, spark plug service, and fluid checks.
        
     
    
        
            Component Overhaul:
        
        
            In-depth guides for rebuilding engine components, carburetors, and brake systems.
        
     
    
        
            Wiring Diagrams:
        
        
            High-quality, detailed wiring schematics for all electrical systems.
        
     
    
    
        
            Depth:
        
        
            Covers all levels of repair from basic user maintenance to advanced engine rebuilding and electrical diagnostics.
        
     
 
    
    
    
        
            Engine Type:
        
        
            V-twin, 4-stroke, DOHC
        
     
    
    
        
            Bore X Stroke:
        
        
            57 mm x 48.6 mm (Typical specification, can vary slightly)
        
     
    
        
            Compression Ratio:
        
        
            10.3:1 (Typical specification, can vary slightly)
        
     
    
        
            Cooling System:
        
        
            Liquid-cooled (typically with radiator and fan)
        
     
    
    
        
            Horsepower:
        
        
            Approximately 23-27 HP (Varies by market and year, typically around 7500 RPM)
        
     
    
        
            Torque:
        
        
            Approximately 22-24 Nm (Varies by market and year, typically around 6000 RPM)
        
     
    
    
        
            Fuel Delivery:
        
        
            Carburetor (Keihin CVK models common) or Fuel Injection (later models).
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, minimum 87 octane (91 RON).
        
     
    
    
        
            Ignition Type:
        
        
            CDI (Capacitor Discharge Ignition) or Electronic Ignition.
        
     
    
    
        
            Oil Type:
        
        
            SAE 10W-40 API SG or higher motorcycle specific oil.
        
     
 
    
    
    
        
            Overall Length:
        
        
            Approximately 2290 mm (229 cm)
        
     
    
        
            Overall Width:
        
        
            Approximately 840 mm (84 cm)
        
     
    
        
            Overall Height:
        
        
            Approximately 1140 mm (114 cm)
        
     
    
    
        
            Dry Weight:
        
        
            Approximately 165 kg (364 lbs)
        
     
    
        
            Wet Weight:
        
        
            Approximately 177 kg (390 lbs) (with all fluids)
        
     
    
        
            Fuel Capacity:
        
        
            Approximately 14 Liters (3.7 Gallons)
        
     
    
        
            Ground Clearance:
        
        
            Approximately 155 mm (6.1 inches)
        
     
 
    
    
    
        
            Crash Test Results:
        
        
            Motorcycles are not typically subjected to standardized crash testing like automobiles; safety is assessed by design and rider input.
        
     
    
    
        
            Brakes:
        
        
            Front: Disc brake; Rear: Disc brake. ABS availability varies by model year and region.
        
     
    
        
            Lighting:
        
        
            Halogen headlight, LED tail light, turn signals.
        
     
    
    
        
            Frame Construction:
        
        
            Steel double cradle frame for stability.
        
     
    
        
            Ergonomics:
        
        
            Low seat height and swept-back handlebars contribute to rider control.
        
     
 
    
    
    
        
            Infotainment System:
        
        
            Basic instrumentation with speedometer, tachometer, odometer, trip meter, and indicator lights. No advanced infotainment systems.
        
     
    
    
        
            Driver Assistance Features:
        
        
            ABS is an optional feature on some model years.
        
     
    
    
        
            Connectivity Features:
        
        
            No integrated connectivity features such as Bluetooth or smartphone integration.
        
     
 
    
    
    
        
            Oil Change:
        
        
            Every 3,000 km (1,800 miles) or 6 months, whichever comes first.
        
     
    
        
            Oil Filter Replacement:
        
        
            At every oil change (or every second oil change for certain filter types if specified).
        
     
    
        
            Air Filter Cleaning Replacement:
        
        
            Inspect every 3,000 km (1,800 miles), clean or replace as needed. Replacement typically every 10,000-15,000 km (6,000-9,000 miles).
        
     
    
        
            Spark Plug Service:
        
        
            Inspect and gap every 6,000 km (3,600 miles), replace as needed.
        
     
    
        
            Chain Lubrication Adjustment:
        
        
            Lubricate every 500 km (300 miles) or after riding in rain; adjust tension every 1,000 km (600 miles).
        
     
    
        
            Brake Fluid Replacement:
        
        
            Every 2 years or as needed, replace with DOT 4 brake fluid.
        
     
    
    
        
            Engine Oil Capacity:
        
        
            Approximately 1.9 Liters (2.0 US qt) without filter change, 2.1 Liters (2.2 US qt) with filter change.
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol based coolant, 50/50 mix with distilled water.
        
     
    
    
    
        
            Carburetor Tuning:
        
        
            Carburetors may require periodic adjustment or cleaning to maintain smooth running, especially at altitude or with age.
        
     
    
        
            Electrical Connections:
        
        
            Corrosion or loose connections in electrical connectors can lead to intermittent faults; regular inspection is advised.
        
     
    
        
            Charging System:
        
        
            Some owners report occasional issues with the rectifier/regulator or stator; the manual's diagnostic section is crucial here.
        
     
    
        
            Clutch Adjustment:
        
        
            Clutch lever free play requires periodic adjustment to ensure proper engagement and disengagement.
        
     
 
    
    
    
        
            Manufacturer:
        
        
            Hyosung Motors & Machinery Inc., a South Korean manufacturer with a history in motorcycle production since the early 1970s.
        
     
    
    
        
            Gv250 Aquila Development:
        
        
            The GV250 Aquila has been a staple in Hyosung's lineup, evolving from carbureted models to include fuel injection and minor styling updates over its production run.
        
     
    
    
        
            Production Period:
        
        
            Production began in the early 2000s and has continued through various iterations.
        
     
    
        
            Manufacturing Location:
        
        
            South Korea
        
     
 
    
    
    
        
            Industry Awards:
        
        
            While specific industry awards for the GV250 Aquila are not widely publicized, it has received positive reviews for its value and styling within its segment.
        
     
    
    
        
            Owner Satisfaction:
        
        
            Generally good owner satisfaction reported for its price point, particularly regarding its classic aesthetics and accessible riding experience.
        
     
    
    
        
            Emissions Standards:
        
        
            Meets applicable emissions standards for the markets it was sold in. Manual will detail specific procedures for emissions control system servicing.