Hyosung RT125 - 2007 Specifications and Reviews

The 2007 Hyosung RT125 is a lightweight enduro bike designed for novice and recreational riders exploring off-road trails. Powered by an air-cooled 124cc single-cylinder engine producing 11.7 horsepower, it combines affordability with practical versatility. Known for its manageable weight and forgiving handling, the RT125 serves as an accessible entry point into adventure riding.

2007
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General information

CategoryEnduro / offroad
Year2007
ModelHyosung RT125

Engine and Transmission Specifications

Gearbox5-speed
Cooling systemAir
StarterElectric & kick
Fuel controlSOHC
Valves per cylinder4
Fuel systemCarburettor
Bore x stroke57.0 x 48.8 mm (2.2 x 1.9 inches)
Power11.70
Stroke4
Engine typeSingle cylinder
Capacity:124.50 ccm (7.60 cubic inches)
 
 

Physical measures and capacities

Ground clearance230 mm (9.1 inches)
Overall width840 mm (33.1 inches)
Overall length2,085 mm (82.1 inches)
Overall height1,125 mm (44.3 inches)
Seat height790 mm (31.1 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc135.0 kg (297.6 pounds)
Dry weight125.0 kg (275.6 pounds)
 
 

Hyosung RT125 dimensions and frame

Rear brakes diameter130 mm (5.1 inches)
Rear brakesExpanding brake (drum brake)
Front brakes diameter275 mm (10.8 inches)
Front brakesSingle disc
Rear tyre dimensions180/80-14
Front tyre dimensions130/80-18

Speed and acceleration

Power/weight ratio0.0936 HP/kg

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed, yellow, blue
Fuel capacity9.10 litres (2.40 gallons)

Performance Profile & Rider Fit

11.7 hp
Peak Power

Best For

Track10%
City55%
Cornering35%
Daily Riding45%
Touring20%
Passenger20%

Rider Profile

Best ForThis is a beginner-friendly small-displacement machine, well suited to new riders building confidence and basic skills.
PurposeIt is best suited to light commuting and casual, low-speed exploring rather than any performance or serious off-road use, despite its enduro-style styling.
Rider FitThe low seat height and light dry weight make it very manageable for shorter or less physically strong riders.
CharacterIt has an approachable, easygoing character that rewards relaxed, unhurried riding over aggressive throttle use.
Not Ideal ForThis bike is not for experienced riders seeking real off-road capability, sustained highway speeds, or two-up touring comfort.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2007 Hyosung RT125 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 790mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2007 Hyosung RT125, with a cramped knee angle of around 65 degrees and a slightly forward riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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