Sport Tourers
2006Hyosung GT650S
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The 2006 Hyosung GT 650 S is a nimble naked bike ideally suited for riders seeking an affordable, approachable middleweight. Its 647cc V-twin engine delivers smooth mid-range power and manageable handling characteristics. Best known for offering genuine performance at an accessible price point, it appeals to enthusiasts prioritizing value and everyday rideability.
- Capacity
- 647.0 ccm
- Engine
- V-Twin, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 215.0 kg
- Seat height
- 780 mm
- Power
- 76.4 HP (56.2 kW)
What’s new for the 2006 Hyosung GT650S
vs the 2005| Spec | 2005 | 2006 |
|---|---|---|
| Power | 79.0 HP (58.1 kW) | 76.4 HP (56.2 kW) |
| Torque | — | 68.0 Nm (6.9 kgf-m or 50.2 ft.lbs) |
| Top speed | — | 210.0 km/h (130.5 mph) |
| Dry weight | 189.0 kg (416.7 pounds) | 215.0 kg (474.0 pounds) |
| Wet weight | 208.2 kg (459.0 pounds) | not listed |
| Seat height | 831 mm (32.7 inches) | 780 mm (30.7 inches) |
| Fuel capacity | 17.00 litres (4.49 US gallons) | 16.00 litres (4.23 US gallons) |
| Front suspension | Upside down Telescopic | not listed |
| Rear suspension | Swing arm with Progressive linkage Hydraulic Mono shock absorber | not listed |
| Wheelbase | 1435 mm (56.5 inches) | not listed |
| Cooling | Liquid | not listed |
| Compression | 11.6:1 | 11.4:1 |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for covering long road distances quickly and comfortably, with wind protection and an accommodating riding position.
- Built for
- A sport tourer from Hyosung with a 647cc engine; its character is versatile and engaging, with 76 hp on tap.
- Not ideal for
- Not for off-road riding or riders who want a light, minimal machine.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 647.0 ccm
- Power
- 76.4 HP (56.2 kW)
- EPA CO Emissions
- 11.4 CO g/km
- Torque
- 68.0 Nm (6.9 kgf-m)
- Engine type
- V-Twin, four-stroke
- Power/weight ratio
- 0.3553 HP/kg (dry)
- Bore x stroke
- 81.5 x 62.0 mm
- Compression
- 11.4:1
- Fuel system
- Carburettor
- Starting
- Electric
- Aspiration
- Naturally aspirated
- Valves per cylinder
- 4
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet Multi Plate
Performance
- Top speed
- 210.0 km/h (130.5 mph)
Dimensions & weight
- Seat height
- 780 mm
- Dry weight
- 215.0 kg
- Fuel capacity
- 16.00 litres
Brakes & wheels
- Front brakes
- Double disc
- Front brakes diameter
- 300 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 230 mm
- Front tyre
- 120/60-ZR17
- Rear tyre
- 160/60-ZR17
Other
- Color options
- Silver, red, yellow
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2005 | 2006 | 2009 | 2010 | 2011 |
|---|---|---|---|---|---|
| Capacity | 647 cc | 647 cc | 674 cc | 674 cc | 647 cc |
| Dry weight | 189 kg | 215 kg | 190 kg | 190 kg | 189 kg |
| Seat height | 831 mm | 780 mm | 780 mm | 780 mm | 831 mm |
| Fuel capacity | 17 L | 16 L | 17 L | 17 L | 17 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Hyosung GT650S?
The 2006 Hyosung GT650S has a Capacity of 647.0 ccm (39.48 cubic inches).
What engine power does the Hyosung GT650S have?
The 2006 Hyosung GT650S has a Power of 76.4 HP (56.2 kW).
How many gears does the Hyosung GT650S have?
The 2006 Hyosung GT650S has a Gearbox of 6-speed.
What is the torque of the Hyosung GT650S?
The 2006 Hyosung GT650S has a Torque of 68.0 Nm (6.9 kgf-m or 50.2 ft.lbs).
How much does the Hyosung GT650S weigh?
The 2006 Hyosung GT650S has a Dry weight of 215.0 kg (474.0 pounds).
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