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2008Hyosung RT125D

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The 2008 Hyosung RT125D is a lightweight allround motorcycle ideal for beginner and commuter riders seeking an affordable, reliable entry-level bike. Its compact 124cc V-twin engine with carburettor fueling delivers manageable power for urban riding and short commutes. Known for its low seat height and accessible ergonomics, this nimble machine excels in stop-and-go city environments.

Capacity
124.0 ccm
Engine
Single, four-stroke
Gearbox
5-speed
Dry weight
135.0 kg
Seat height
790 mm
Power
15.0 HP (11.0 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2008 Hyosung RT125D

vs the 2007
Spec20072008
Power 13.4 HP (9.9 kW) 15.0 HP (11.0 kW)
Top speed 105.0 km/h (65.2 mph) not listed
Dry weight 125.0 kg (275.6 pounds) 135.0 kg (297.6 pounds)
Wet weight 135.0 kg (297.6 pounds) not listed
Fuel capacity 9.10 litres (2.40 US gallons) 8.00 litres (2.11 US gallons)
Rear suspension Monoshock Mono shock absorber
Front brakes Single disc. 2-piston caliper Single disc
Other years 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 12Agility 52Comfort 55Off-road 15Touring 25Road manners 55
Off-road & trail15%
Cornering35%
City riding65%
Daily riding60%
Touring25%
Two-up30%
Track10%
Best for
It's designed as a light, easygoing commuter and cruiser-styled runabout rather than a performance or adventure machine.
Built for
It has a laid-back, custom-cruiser-inspired personality with modest power delivered through a simple, low-maintenance single-cylinder engine.
Not ideal for
It's not suited to riders wanting high speed, long-distance touring comfort, or genuine off-road capability.

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 790mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2008 Hyosung RT125D, with a cramped knee angle of around 65 degrees and an upright 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
124.0 ccm
Power
15.0 HP (11.0 kW)
Engine type
Single, four-stroke
Power/weight ratio
0.1111 HP/kg (dry)
Bore x stroke
57.0 x 48.8 mm
Compression
11.3:1
Cooling system
Oil & air
Fuel system
Carburettor
Starting
Electric
Torque
Not on record - add it
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet, Multiplate
Dimensions & weight
Wheelbase
1350 mm
Overall length
2085 mm
Overall width
840 mm
Overall height
1125 mm
Seat height
790 mm
Dry weight
135.0 kg
Fuel capacity
8.00 litres
Ground clearance
230 mm
Chassis & suspension
Front suspension
Telescopic
Rear suspension
Mono shock absorber
Brakes & wheels
Front brakes
Single disc
Rear brakes
Expanding brake (drum brake)
Front tyre
110/70-H17
Rear tyre
130/70-H17
Other
Color options
Blue, orange

Specs last verified against published sources: .

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 200720082009201220142016
Capacity 125 cc 124 cc 124 cc 124 cc 124 cc 125 cc
Dry weight 125 kg 135 kg 125 kg 125 kg 125 kg 135 kg
Seat height 790 mm 790 mm 790 mm 790 mm 790 mm 790 mm
Fuel capacity 9.1 L 8 L 8 L 8 L 9.1 L 9.1 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 RT125D?

The 2008 Hyosung RT125D has a Capacity of 124.0 ccm (7.57 cubic inches).

What engine power does the Hyosung RT125D have?

The 2008 Hyosung RT125D has a Power of 15.0 HP (11.0 kW).

How many gears does the Hyosung RT125D have?

The 2008 Hyosung RT125D has a Gearbox of 5-speed.

How much does the Hyosung RT125D weigh?

The 2008 Hyosung RT125D has a Dry weight of 135.0 kg (297.6 pounds).

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