Key performance
Technical specifications
Engine
- Displacement
- 125 cc
- Power
- 25.0 ch @ 7500 tr/min (18.4 kW)
- Torque
- 12.7 Nm @ 6500 tr/min
- Engine type
- Monocylindre, 2 temps
- Cooling
- liquide
- Compression ratio
- 6.6 : 1
- Bore × stroke
- 56 x 50.7 mm
Chassis
- Frame
- Type Deltabox en acier
- Gearbox
- boîte à 6 rapports
- Final drive
- Chaîne
- Front suspension
- Fourche téléhydraulique Ø 38 mm, déb : 180 mm
- Rear suspension
- Mono-amortisseur, déb : 180 mm
Brakes
- Front brakes
- Freinage 1 disque Ø 282 mm, étrier 2 pistons
- Rear brakes
- Freinage 1 disque Ø 220 mm, étrier simple piston
- Front tyre
- 100/90-18
- Front tyre pressure
- 1.75 bar
- Rear tyre
- 130/80-17
- Rear tyre pressure
- 2.00 bar
Dimensions
- Seat height
- 850.00 mm
- Fuel capacity
- 11.00 L
- Dry weight
- 133.00 kg
- New price
- 4 575 €
Overview
Are we still looking for a 125 that can pass for a larger machine? The Yamaha TDR 125, released in 2003, has long played that role with a certain audacity. Beneath its urban trail appearance, it hides a character far more assertive than most machines in its category. Its 124.8 cc two-stroke single-cylinder engine, rated for 25 horsepower at 7500 rpm and 12.7 Nm of torque, is a mechanical element that speaks to initiates. In its restricted version for the French market, it complies with legislation, but its real potential, exploitable outside our borders, is a source of dreams. The unrestricted Yamaha TDR 125 would have almost double the power, transforming this civility into aggression. Its official top speed of 130 km/h is already respectable, but liberated, it becomes a radically different proposition.

Technically, it doesn't cut corners. The steel Deltabox frame provides a solid base, while the suspension, with 180 mm of travel at the front and rear, promises a certain stability. The brakes, a 282 mm disc at the front and a 220 mm disc at the rear, are adequate for the stated weight of 133 kg. The seat height of 850 mm may be intimidating, but it contributes to this posture of a larger machine. The 11-liter tank and six-speed gearbox suggest road ambitions. For approximately 4575 euros at the time, it positioned itself as a premium option in the 125 world, far from simple scooters.
Compared to other two-stroke 125s of the time, or even the more sensible four-strokes that followed, the TDR 125 stands out for its temperament. It is obvious in the city, light and maneuverable, but its true playground is the winding road. Its healthy and pleasant handling makes it more approachable than a pure sportbike, but more engaging than a simple trail bike. Braking and comfort are generally cited as strengths, while the seat, sometimes judged too high and firm, and the typical consumption of a two-stroke (as well as its characteristic smell and sound) are the compromises to make to obtain its incomparable punch. Its equipment, with its alloy rims, luggage rack and dual instrumentation, enhances its appeal.
The Yamaha TDR 125 used remains today a sought-after figure for enthusiasts of simple and characterful mechanics. On the classifieds or elsewhere, it attracts those who want a base for a café racer or scrambler project, or simply a 125 with a true personality. Its maintenance, well documented thanks to available workshop manuals, is accessible. It is not suitable for complete beginners, but rather for the rider who understands the compromises of a two-stroke and who is looking for an authentic machine, capable of honest performance and great dynamic pleasure. It is a piece of a certain time, which recalls that lightness and simplicity can offer sensations that more complex machines have sometimes forgotten.
Practical info
- La moto est accessible aux permis : A
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