Hyosung GT 650S (2004-06)

The Hyosung GT 650S is a motorcycle produced from 2004 to 2006. It featured a four-stroke, 90-degree V-twin engine with a capacity of 647cc and 4 valves per cylinder. The engine was liquid-cooled, had a compression ratio of 11.4:1, and used wet-sump lubrication with semi-synthetic 10W/40 oil. Carburetion was handled by a 38mm carburetor, and ignition was digital CDI using an NGK CR8E spark plug. The electric starter produced a maximum power output of 76.4 hp at 9000 rpm and maximum torque of 68 Nm at 7500 rpm. The 6-speed transmission received power via a chain final drive. The steel, double-pipe frame had a length of 2060 mm, width of 740 mm, and height of 1125 mm, with a wheelbase of 1435 mm and a seat height of 780 mm. The dry weight of the motorcycle was 195 kg and the fuel capacity was 17 liters. The front suspension had 41mm oil upside-down forks with a travel of 120 mm, while the swinging arm rear suspension had a travel of 100 mm. The front brakes consisted of twin 300mm discs, with a single 230mm disc on the rear. The motorcycle had a top speed of 203.8 km/h and could complete a standing 1/4 mile in 13.0 seconds.

Technical specifications:

Make Model: Hyosung GT 650S

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: 76.4 hp / 58.8 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
Standing 1/4 Mile: 13.0 sec
Top Speed: 203.8 km/h