Key performance
Technical specifications
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.

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
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