| MODEL | HYOSUNG GD250N X4 EFI 2015 |
| Year | 2015 |
| Engine Type | Single cylinder, 4-valve DOHC, four-stroke |
| Displacement / Capacity | 249 cc |
| Bore X Stroke | 73 x 59.6 mm |
| Compression Ratio | 12:1 |
| Cooling System | Liquid |
| Max Power | 21.2 kW / 28.4 hp @ 8500 rpm |
| Max Torque | 26.1 Nm / 2.56 kgf-m @ 7000 rpm |
| Ignition | — |
| Induction | Fuel injection |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 6-speed constant mesh (1 down, 5 up) |
| Clutch | Wet, multiplate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel tubular trellis perimeter main frame with steel tubular sub frame |
| Front Suspension | 37 mm upside-down telescopic fork |
| Rear Suspension | Aluminium swingarm with gas-charged hydraulic shock, preload adjustable |
| Front Brakes | 300 mm petal disc, 4-piston caliper, braided hose |
| Rear Brakes | 230 mm petal disc, 2-piston caliper, braided hose |
| DIMENSION SPECS | |
| Overall Length | 1937 mm / 76.3 in |
| Overall Width | 800 mm / 31.5 in |
| Overall Height | 1055 mm / 41.5 in |
| Seat Height | 780 mm / 30.7 in |
| Wheelbase | 1346 mm / 53 in |
| Ground Clearance | 135 mm / 5.3 in |
| Dry Weight | 135 kg / 298 lb |
| Wet Weight | 150 kg / 331 lb |
| WHEEL SPECS | |
| Front Tyre | 110/70 R17 54S |
| Rear Tyre | 150/60 R17 66S |
| FUEL SYSTEM | |
| Fuel Capacity | 11 Litres / 2.9 US gal |
| Fuel Consumption | — |
| Top Speed | — |
Naked streetfighter version of the 250 single, with a liquid-cooled fuel-injected engine, upside-down fork and a trellis frame. It sat below the GT250 naked in the lineup as a lightweight entry sports bike.
