Yamaha DT 125 X - 2006 Specifications and Reviews

The 2006 Yamaha DT 125 X is a lightweight enduro designed for beginner and recreational riders seeking accessible off-road performance. Its liquid-cooled 124cc single-cylinder engine delivers reliable power with minimal maintenance, while the compact, nimble chassis excels on tight trails and mixed terrain. Known for durability and affordability, it remains a popular entry-point motorcycle for dual-sport enthusiasts.

2006
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General information

CategoryEnduro / offroad
Year2006
ModelYamaha DT 125 X

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox5-speed
Cooling systemLiquid
Lubrication systemAutolube (Separate lubrication)
StarterElectric
IgnitionCDI
Fuel systemCarburettor. Mikuni TM28-92
Bore x stroke56.0 x 50.7 mm (2.2 x 2.0 inches)
Compression6.7:1
Torque13.00
Power14.75
Stroke2
Engine typeSingle cylinder
Capacity:124.00 ccm (7.57 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,269 mm (50.0 inches)
Ground clearance271 mm (10.7 inches)
Overall width795 mm (31.3 inches)
Overall length2,139 mm (84.2 inches)
Overall height1,121 mm (44.1 inches)
Seat height886 mm (34.9 inches) If adjustable, lowest setting.
Dry weight122.0 kg (269.0 pounds)

Yamaha DT 125 X dimensions and frame

Rear brakes diameter230 mm (9.1 inches)
Rear brakesSingle disc
Front brakes diameter298 mm (11.7 inches)
Front brakesSingle disc
Rear tyre dimensions140/70-H17
Front tyre dimensions120/70-H17
Rear suspension travel125 mm (4.9 inches)
Rear suspensionMonocross (Link type)
Front suspension travel60 mm (2.4 inches)
Front suspensionHydraulic telescopic fork

Speed and acceleration

Power/weight ratio0.1209 HP/kg

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity10.70 litres (2.83 gallons)

Performance Profile & Rider Fit

14.8 hp
Peak Power

Best For

Track30%
City75%
Cornering70%
Daily Riding55%
Touring25%
Passenger25%

Rider Profile

Best ForWell suited to newer riders or those wanting a light, unintimidating machine to build confidence on, thanks to its modest power output and low weight.
PurposeDesigned as a supermoto-styled small-displacement bike, blending a dirt-bike-derived chassis with street tyres and brakes for nimble urban and back-road fun rather than outright speed.
Rider FitThe low dry weight and slim chassis make it very manageable for riders of smaller stature or lighter build, though the fairly tall seat height demands reasonable inseam length.
CharacterA playful, flickable little machine that rewards revving the small single and tossing it through corners rather than covering long distances quickly.
Not Ideal ForNot a good choice for riders wanting sustained highway speeds, long-distance comfort, or carrying a passenger any real distance.

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

Rider Fit Visualizer

2006 Yamaha DT 125 X Rider Ergonomics Assessment

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

Feet:

At 886mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2006 Yamaha DT 125 X, with a cramped knee angle of around 75 degrees and an upright riding position.

Data quality: measured. 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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