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Sportbikes

2008Hyosung GT650R

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The 2008 Hyosung GT650R is a middleweight sport bike that appeals to riders seeking an accessible yet capable machine. Its 674cc V-twin engine delivers 78 horsepower with smooth power delivery, making it ideal for both commuting and spirited weekend riding. Known for offering Japanese sportbike styling and handling at an affordable price point, it suits budget-conscious enthusiasts wanting genuine performance.

Capacity
674.0 ccm
Engine
V-Twin, four-stroke
Gearbox
6-speed
Dry weight
191.0 kg
Seat height
780 mm
Power
78.0 HP (57.4 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2008 Hyosung GT650R

vs the 2006
Spec20062008
Engine capacity 647.0 ccm (39.48 cubic inches) 674.0 ccm (41.13 cubic inches)
Power 76.4 HP (56.2 kW) 78.0 HP (57.4 kW)
Torque 68.0 Nm (6.9 kgf-m or 50.2 ft.lbs) not listed
Dry weight 208.0 kg (458.6 pounds) 191.0 kg (421.1 pounds)
Wet weight 215.0 kg (474.0 pounds) not listed
Front suspension Upside down Telescopic (Compression, Rebound damping adjustable) not listed
Rear suspension Swing arm with Progressive linkage Hydraulic Mono shock absorber (Preload adjustable) not listed
Compression 11.6:1 not listed
Other years 2005 2006 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 53Agility 56Comfort 45Off-road 5Touring 40Road manners 70
Off-road & trail5%
Cornering65%
City riding55%
Daily riding50%
Touring35%
Two-up35%
Track55%
Best for
Designed as an affordable middleweight sportbike for spirited road riding and occasional canyon carving rather than all-out racing.
Built for
A budget-friendly V-twin sportbike with a throaty engine note and decent midrange torque, offering an engaging but not overwhelming ride.
Not ideal for
Not ideal for absolute beginners intimidated by sportbike ergonomics or for riders prioritizing long-distance touring comfort and passenger accommodation.

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 us
At 780mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2008 Hyosung GT650R, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Full specifications

Engine
Capacity
674.0 ccm
Power
78.0 HP (57.4 kW)
EPA CO Emissions
10.3 CO g/km
Engine type
V-Twin, four-stroke
Power/weight ratio
0.4084 HP/kg (dry)
Bore x stroke
81.5 x 62.0 mm
Cooling system
Liquid
Fuel system
Carburettor
Starting
Electric
Aspiration
Naturally aspirated
Valves per cylinder
4
Torque
Not on record - add it
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet Multi Plate
Dimensions & weight
Wheelbase
1440 mm
Overall length
2060 mm
Overall width
729 mm
Overall height
1059 mm
Seat height
780 mm
Dry weight
191.0 kg
Fuel capacity
17.00 litres
Ground clearance
150 mm
Chassis & suspension
Frame
Perimeter Double Cradle
Brakes & wheels
Front brakes
Double disc
Rear brakes
Single disc
Front tyre
120/60-ZR17
Rear tyre
160/60-ZR17
Other
Color options
Black, Red/Black, Orange/Black.

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 200520082009201220142017
Capacity 647 cc 674 cc 674 cc 647 cc 650 cc 647 cc
Dry weight 191 kg 191 kg 208 kg 208 kg 208 kg 208 kg
Seat height 780 mm 780 mm 780 mm 831 mm 831 mm 831 mm
Fuel capacity 17 L 17 L 17 L 17 L 17 L 17 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the Hyosung GT650R?

The 2008 Hyosung GT650R has a Capacity of 674.0 ccm (41.13 cubic inches).

What engine power does the Hyosung GT650R have?

The 2008 Hyosung GT650R has a Power of 78.0 HP (57.4 kW).

How many gears does the Hyosung GT650R have?

The 2008 Hyosung GT650R has a Gearbox of 6-speed.

How much does the Hyosung GT650R weigh?

The 2008 Hyosung GT650R has a Dry weight of 191.0 kg (421.1 pounds).

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