Hyosung GT 650 (2004-06)

The Hyosung GT 650 Comet motorcycle was produced between 2004 and 2006. It features a four-stroke, 90-degree V-twin engine with a capacity of 647cc and a compression ratio of 11.4:1. The engine is liquid-cooled and lubricated through a wet sump system, with semi-synthetic oil recommended. It has a 38mm carburetor and digital CDI ignition, and can generate a maximum power of 79hp at 9000rpm and maximum torque of 68Nm at 7500rpm. The clutch is a cable-operated wet, multiple discs model, and the transmission is six-speed with chain final drive. The suspension is steel, double-pipe frame with 41mm oil upside-down forks at the front and a swinging arm at the rear. The brakes consist of two 300mm discs at the front and a single 230mm disc at the rear. The dimensions of the bike measure 2060mm in length, 740mm in width, and 1125mm in height, with a wheelbase of 1435mm and seat height of 780mm. The dry weight is 195kg, while the wet weight is 210kg, and it has a fuel capacity of 17 liters. The average fuel consumption is reported to be 21.8km/lit, and it can reach a top speed of 187km/h, with a standing quarter-mile time of 13.2 seconds.

Technical specifications:

Make Model: Hyosung GT 650 Comet

Year: 2004 – 06

Engine: Four stroke, 90 degrees V twin, DOHC, 4 valve per cylinder
Capacity: 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
Induction: 38 mm Carburettor
Ignition: Digital CDI
Spark Plug: NGK, CR8E
Starting: Electric
Max Power: 79 hp / 58.9 kW @ 9000 rpm
Max Torque: 68 Nm / 6.93 kg-m @ 7500 rpm
Clutch: Wet, multiple discs, cable operated
Transmission: 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 1/4 Mile: 13.2 sec
Top Speed: 187 km/h

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