2018Hyosung GT 650I Naked

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The 2018 Hyosung GT 650i is a middleweight naked bike designed for riders seeking an affordable, accessible entry into street riding. Its compact 208kg frame and manageable 830mm seat height make it ideal for novice and smaller-framed riders, while the reliable 650cc V2 engine delivers predictable performance. Known for its value proposition and user-friendly ergonomics, the GT 650i excels as a practical commuter and learner-friendly platform.

Capacity: 650.0 ccm
Engine: V-Twin, four-stroke
Gearbox: 6-speed
Wet weight: 208.0 kg
Seat height: 830 mm
Power: 74.0 HP (54.0 kW) @ 9000 RPM

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How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail10%

Cornering60%

City riding62%

Daily riding60%

Touring45%

Two-up45%

Track40%

Best for: Best suited to everyday street riding and weekend backroad fun rather than dedicated racing or long-distance touring.
Built for: A budget-friendly V-twin naked bike that offers a characterful engine note and approachable performance without extreme intensity.
Not ideal for: Not ideal for riders seeking off-road capability, serious sport-touring range, or track-focused performance.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 830mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2018 Hyosung GT 650I Naked, with a relaxed knee angle of around 125 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 821-900 mm — Long Legs →

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Full specifications

Engine

Capacity: 650.0 ccm
Power: 74.0 HP (54.0 kW) @ 9000 RPM
Torque: 62.0 Nm (6.3 kgf-m) @ 7250 RPM
Engine type: V-Twin, four-stroke
Power/weight ratio: 0.3558 HP/kg (wet)
Bore x stroke: 81.5 x 62.0 mm
Compression: 11.5:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Ignition: Electronic
Valves per cylinder: 4
Lubrication system: Wet sump

Transmission

Gearbox: 6-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet, Multiplate

Performance

Top speed: 210.0 km/h (130.5 mph)

Dimensions & weight

Wheelbase: 1435 mm
Overall length: 2090 mm
Overall width: 785 mm
Overall height: 1155 mm
Seat height: 830 mm
Wet weight: 208.0 kg
Fuel capacity: 17.00 litres
Ground clearance: 165 mm
Dry weight: Not on record - add it

Chassis & suspension

Front suspension: Upsidedown telescopic
Rear suspension: Hydraulic Mono shock absorber (Preload adjustable)
Front wheel travel: 120 mm
Rear wheel travel: 110 mm
Rake (fork angle): 25.0°

Brakes & wheels

Front brakes: Double disc. Semi floating discs, 4 pistons calipers
Front brakes diameter: 300 mm
Rear brakes: Single disc. 2 pistons caliper
Rear brakes diameter: 230 mm
Front tyre: 120/60-ZR17
Rear tyre: 160/60-ZR17

Other

Color options: Black

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

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MotorcycleDB

The 2018 Hyosung GT 650i Naked motorcycle is a powerful and stylish option for riders looking for a mid-sized naked bike. With a 647cc V-twin engine, this motorcycle offers plenty of power for both city commuting and highway cruising. The sleek and aggressive styling of the GT 650i is sure to turn heads, and its comfortable seating position makes it a great choice for long rides.

Overall, the 2018 Hyosung GT 650i Naked motorcycle is a solid option for riders who want a balance of power and style. With its reliable engine and attractive design, this bike is a great choice for both experienced riders and those looking to upgrade from a smaller displacement bike. Whether you're navigating city streets or hitting the open road, the GT 650i is sure to provide an enjoyable and thrilling riding experience.

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