Hyosung GT 650 Comet


Make Model

Hyosung GT 650 Comet


2007 - 09


Four stroke, 90° V twin, DOHC, 4 valve per cylinder


647 cc / 39.4 cu-in
Bore x Stroke 81.5 x 62 mm
Cooling System Liquid cooled
Compression Ratio 11.4:1
Lubrication Wet sump
Engine Oil Semi-Synthetic, 10W/40


38 mm Carburettor


Digital CDI
Spark Plug NGK, CR8E
Starting Electric

Max Power

76.4 hp / 58.8 kW @ 9000 rpm

Max Torque

68 Nm / 6.93 kg-m  @ 7500 rpm
Clutch Wet, multiple discs, cable operated


6 Speed 
Final Drive Chain
Frame Steel, double pipe

Front Suspension

41mm Oil upside down forks
Front Wheel Travel 120 mm / 4.7 in

Rear Suspension

Swinging arm
Rear Wheel Travel 100 mm / 3.9 in

Front Brakes

2x 300mm discs

Rear Brakes

Single 230mm disc

Front Tyre

120/60 -17

Rear Tyre

160/60 -17
Dimensions Length 2060 mm / 81.1 in
Width  740 mm / 29.1 in 
Height 1125 mm / 44.2 in
Wheelbase 1435 mm / 56.4 in
Seat Height 780 mm / 30.7 in

Dry Weight

195 kg / 429 lbs

Wet Weight

210 kg / 462 lbs

Fuel Capacity

17 Litres / 3.1 US gal

Consumption  average

21.8 km/lit

Standing ¼ Mile  

13.2 sec

Top Speed

187 km/h

 Imposing road presence.

The twin-cylinder water-cooled GT650 combines traditional naked sports bike styling with a can-do attitude. The dual lateral oval bar frame is designed to remove weight and provide superb
cornering ability.

Hyosung's twin-cylinder, water-cooled GT650 combines traditional naked sports bike styling with a can-do attitude.

V type V-Twin engine - Intake efficiency was maximized by installing 647 cc 90 degree water-cooled V-Twin, DOHC 8 valve enabling pleasant driving

Large size radiator - Kept the stability by maximizing cooling effect in high speed and improved performance and durability of engine greatly.

Semi-truss Semi-backbone frames (hardness backbone frame) - Selected the frame of high-strength elliptic pipe and plate, secured hardness and revealed low-frequency avoiding resonance area with engine.

Circular instrument - Secured excellent visual recognition in day and night, and made long distance running tranquil by high-capacity (17 l) fuel tank installation.

Halogen headlamp - Selects large size automobile lamp to secure excellent night visual recognition and various Indicator classes are produced according to ECE standard

Rear seat and storage space - Secured separate storage space under rear seat and luggage loading is easy to fix with lower mounting hook.

Front fork/double disk - Motility and elasticity were satisfied by employing upside-down method, and dynamic and safe running can be presented by securing hardness.

Large size muffler - Aluminum exhaust pipe controls noise, and presents agreeable running by exerting generating power that is strong by 2-In-1 exhaust system employment.