| MODEL | HYOSUNG GT 650 FI 2009 - 2010 |
| Year | 2009 - 2010 |
| Engine Type | Four-stroke, 90° V-twin, DOHC, 4 valves per cylinder |
| Displacement / Capacity | 647 cc / 39.4 cu in |
| Bore X Stroke | 81.5 x 62 mm |
| Compression Ratio | 11.4:1 |
| Cooling System | Liquid-cooled |
| Max Power | 59 kW / 80.2 hp @ 9000 rpm |
| Max Torque | 68 Nm / 6.93 kgf-m @ 7500 rpm |
| Ignition | Digital CDI |
| Induction | Fuel injection with immobilizer |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 6-speed |
| Clutch | Wet, multi-plate, cable-operated |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel, double pipe |
| Front Suspension | 41 mm oil upside-down forks, 120 mm / 4.7 in travel |
| Rear Suspension | Swingarm, 100 mm / 3.9 in travel |
| Front Brakes | 2 x 300 mm discs |
| Rear Brakes | Single 230 mm disc |
| DIMENSION SPECS | |
| Overall Length | 2080 mm / 81.9 in |
| Overall Width | 760 mm / 29.9 in |
| Overall Height | 1120 mm / 44.1 in |
| Seat Height | 780 mm |
| Wheelbase | 1435 mm / 56.4 in |
| Ground Clearance | 185 mm / 7.3 in |
| Dry Weight | 195 kg / 429 lb |
| Wet Weight | 210 kg / 462 lb |
| WHEEL SPECS | |
| Front Tyre | 120/60-17 |
| Rear Tyre | 160/60-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 17 Litres / 4.5 US gal |
| Fuel Consumption | 21.8 km/l |
| Top Speed | 187 km/h |
The 2009-10 GT 650 FI swapped the carburettor for electronic fuel injection with an immobilizer, lifting claimed output to around 80 hp. The naked V-twin chassis stayed otherwise familiar, giving cleaner running and easier starting than the earlier Comet.
