Key performance
Technical specifications
Engine
- Displacement
- 124 cc
- Power
- 10.0 ch @ 8250 tr/min (7.4 kW)
- Torque
- 9.8 Nm @ 5500 tr/min
- Engine type
- Monocylindre, 4 temps
- Cooling
- par air
- Compression ratio
- 10 : 1
- Bore × stroke
- 54 x 54 mm
- Valves/cylinder
- 4
- Camshafts
- 1 ACT
Chassis
- Frame
- simple berceau dédoublé en acier
- Gearbox
- boîte à 5 rapports
- Final drive
- Chaîne
- Front suspension
- Fourche téléhydraulique Ø nc, déb : 170 mm
- Rear suspension
- Mono-amortisseur, déb : 190 mm
Brakes
- Front brakes
- Freinage 1 disque Ø 245 mm
- Rear brakes
- Freinage 1 disque Ø 220 mm
- Front tyre
- 90/90-21
- Rear tyre
- 120/80-18
Dimensions
- Seat height
- 860.00 mm
- Fuel capacity
- 10.00 L
- Weight
- 120.00 kg
- Dry weight
- 111.00 kg
- New price
- 2 999 €
Overview
You are 19 years old, you have your A1 license and the desire to go on an adventure, even if it's just to cross the city? In 2008, Yamaha had an answer, and it was called the XT 125 R. It wasn't the most exciting machine in the catalog, but it embodied a simple philosophy: an accessible, economical, and robust trail bike, designed for those first miles.

Its heart is a 124 cm3 four-stroke single-cylinder engine, a modest unit where the bore and stroke are identical at 54 mm, a "square" configuration suggesting a search for balance rather than explosive performance. With 10 horsepower at 8250 rpm and a torque of 9.8 Nm, it doesn't promise thrills, but reliable performance. The top speed is around 110 km/h, which is sufficient for secondary roads and trails, but you will quickly feel its limits on the highway. For a young motorcyclist looking for a used Yamaha XT 125 R, this engine is a strong point: simple, well-known, and the maintenance secrets of the Yamaha XT 125 R are well documented in the numerous Yamaha XT 125 R manuals available.
The chassis, however, is more convincing. With a weight of 120 kg fully fueled, it is light and maneuverable. The seat height of 860 mm may seem intimidating on paper, but on the trail, this dominant position becomes an asset. The simple cradle frame and suspension with 190 mm of travel at the rear give it a real ability to absorb imperfections, far more than a simple city bike. The 90/90-21 tires at the front and 120/80-18 tires at the rear confirm this mixed vocation. Compared to a two-stroke DTR of the same era, the XT 125 R is less lively, but more versatile and civilized, with its catalytic converter. It is this versatility that charms this generation, from the Yamaha XT 125 R 2005 to the Yamaha XT 125 R 2008.
Where does it fall short? In the details. The braking, with 245 and 220 mm discs, is just adequate, without being energetic. The 10-liter tank limits excursions. And the Yamaha XT 125 R speedometer, like the entire dashboard, is of basic functionality, without embellishments. For around €2999 at the time, it was an honest proposition compared to the competition. Today, on the used market, a Yamaha XT 125 R 2006 or 2007 in good condition represents an excellent first buy for a beginner wanting to get off the beaten path, without breaking the bank.
Ultimately, the XT 125 R is not a motorcycle that makes you dream with numbers, but a machine that makes motorcycling possible. It is the ideal companion to learn, to explore country roads, and to understand the basics of Yamaha XT 125 R maintenance. Its Yamaha XT 125 R technical specifications reveal a design without surprises, and that is precisely its strength: a robustness that has allowed so many examples, even those from 2007, to be riding today. For the track enthusiast or the globetrotter, it is too limited. But for the young urban or rural adventurer, it was, and remains, a solid gateway to the world of trail riding.
Practical info
- La moto est accessible aux permis : A
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