Key performance

13 ch
Power
🔧
124 cc
Displacement
⚖️
120 kg
Weight
🏎️
110 km/h
Top speed
💺
830 mm
Seat height
10.0 L
Fuel capacity
💰
2 999 €
New price
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Technical specifications

Changements 2010 2006
Power
13.0 ch @ 8000 tr/min (9.6 kW) 13.0 ch @ 8500 tr/min (7.1 kW)
Torque
11.7 Nm @ 2500 tr/min 9.5 Nm @ 8000 tr/min
Engine type
Monocylindre, 4 temps Single cylinder, four-stroke
Cooling
par air Air
Compression ratio
10 : 1 10.0:1
Bore × stroke
54 x 54 mm 54.0 x 54.0 mm (2.1 x 2.1 inches)
Lubrication
Separate lubrication
Ignition
CDI
Starter
Electric
Gearbox
boîte à 5 rapports 5-speed
Final drive
Chaîne Chain   (final drive)
Front suspension
Fourche téléhydraulique Ø nc, déb : 175 mm Hydraulic telescopic fork
Rear suspension
Mono-amortisseur, déb : 190 mm Monocross
Front wheel travel
60 mm (2.4 inches)
Rear wheel travel
125 mm (4.9 inches)
Front brakes
Freinage 1 disque Ø 260 mm, étrier 2 pistons Single disc
Rear brakes
Freinage 1 disque Ø 220 mm, étrier simple piston Single disc
Front tyre
100/80-17 100/80-17
Rear tyre
130/70-17 130/70-17
Seat height
860.00 mm 830.00 mm
Wheelbase
1335.00 mm
Ground clearance
190.00 mm
Length
2110.00 mm
Width
860.00 mm
Height
1130.00 mm

Engine

Displacement
124 cc
Power
13.0 ch @ 8500 tr/min (7.1 kW)
Torque
9.5 Nm @ 8000 tr/min
Engine type
Single cylinder, four-stroke
Cooling
Air
Compression ratio
10.0:1
Bore × stroke
54.0 x 54.0 mm (2.1 x 2.1 inches)
Valves/cylinder
4
Lubrication
Separate lubrication
Ignition
CDI
Starter
Electric

Chassis

Frame
simple berceau dédoublé en acier
Gearbox
5-speed
Final drive
Chain   (final drive)
Front suspension
Hydraulic telescopic fork
Rear suspension
Monocross
Front wheel travel
60 mm (2.4 inches)
Rear wheel travel
125 mm (4.9 inches)

Brakes

Front brakes
Single disc
Rear brakes
Single disc
Front tyre
100/80-17
Rear tyre
130/70-17

Dimensions

Seat height
830.00 mm
Wheelbase
1335.00 mm
Ground clearance
190.00 mm
Length
2110.00 mm
Width
860.00 mm
Height
1130.00 mm
Fuel capacity
10.00 L
Weight
120.00 kg
Dry weight
106.00 kg
New price
2 999 €

Overview

Are you looking for a 125 supermotard that doesn’t look like a child’s toy and can handle the city without embarrassment? Yamaha may have had the answer in 2006 with this XT 125 X. At the time, the brand was riding the success of the XT 660, and the idea of transferring that badass style to a small displacement was quite clever. This results in a machine that, visually, clearly leans towards the big brother, with this double-cradle steel frame and an aggressive stance. But beneath the plastic, it’s a different story.

Yamaha XT 125 X

The engine is a 124 cc four-stroke single-cylinder engine that delivers 13 horsepower at 8500 rpm. The power is legally restricted, and you quickly feel the limit. The torque, 9.5 Nm, is not a tsunami; you often have to play with the five-speed gearbox to maintain the pace. On paper, it weighs 120 kg fully fueled, a mass that makes the bike agile and easy to handle, especially with a 830 mm seat height. But this lightness comes at a price: the 10-liter tank requires frequent stops. The maximum speed is around 110 km/h, which is sufficient for the city or small roads, but it’s far from a rocket.

Compared to other Yamaha 125s of the time, such as the DTX or the WR X, the XT 125 X positions itself as a compromise. It is more civilized than the DT, less radical than the WR. Its equipment, with its single disc brakes and hydraulic suspension, is correct without being exceptional. The 100/80-17 tires at the front and 130/70-17 tires at the rear offer honest handling on the asphalt. But it’s really its look, inspired by the big superbikes, that makes its charm. For a young motorcyclist or an urban dweller wanting style without the hassle of complex mechanics, it made sense.

Today, finding a used Yamaha XT 125 X remains an option for starting out without breaking the bank. Models like the Yamaha XT 125 X 2007, 2009 or 2010 are often negotiated well below the initial new price of €2999. It’s a first step into the world of superbikes, with its limitations but also its character. It won’t propel you into exploits, but it will teach you to play with a featherweight, to anticipate the bursts of power, and to ride with a style that, ultimately, doesn’t age badly. For those seeking the thrill of big-block engines in an accessible format, it remains a credible entry point.

Practical info

  • La moto est accessible aux permis : A

Indicators & positioning

Weight-to-power ratio
0.08 ch/kg
🔄
Torque / weight
0.08 Nm/kg
🔧
Volumetric power
79.0 ch/L
In category Super motard · 62-248cc displacement (306 motorcycles compared)
Power 10 ch Top 93%
10 ch median 12 ch 20 ch
Weight 120 kg Lighter than 62%
102 kg median 125 kg 188 kg
P/W ratio 0.08 ch/kg Top 91%
0.08 median 0.10 0.15 ch/kg

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