Key performance
Technical specifications
- Power
- 15.0 ch @ 7000 tr/min (10.9 kW) → 25.0 ch @ 7000 tr/min (10.9 kW)
- Torque
- — → 14.7 Nm @ 7000 tr/min
- Cooling
- — → liquide
- Compression ratio
- — → 6.6 : 1
- Bore × stroke
- — → 56.0 x 50.7 mm (2.2 x 2.0 inches)
- Fuel system
- — → Carburettor
- Frame
- — → Type Deltabox en acier
- Front suspension
- — → Fourche téléhydraulique Ø 38 mm, déb : 180 mm
- Rear suspension
- — → Mono-amortisseur, déb : 180 mm
- Front wheel travel
- — → 180 mm (7.1 inches)
- Rear wheel travel
- — → 180 mm (7.1 inches)
- Front tyre
- — → 100/90-P18
- Front tyre pressure
- — → 1.75 bar
- Rear tyre
- — → 130/80-P17
- Rear tyre pressure
- — → 2.00 bar
- Seat height
- 820.00 mm → 850.00 mm
- Wheelbase
- — → 1405.00 mm
- Fuel capacity
- — → 11.00 L
- Dry weight
- 122.00 kg → 128.00 kg
- New price
- — → 4 575 €
Engine
- Displacement
- 125 cc
- Power
- 25.0 ch @ 7000 tr/min (10.9 kW)
- Torque
- 14.7 Nm @ 7000 tr/min
- Engine type
- Single cylinder, two-stroke
- Cooling
- liquide
- Compression ratio
- 6.6 : 1
- Bore × stroke
- 56.0 x 50.7 mm (2.2 x 2.0 inches)
- Fuel system
- Carburettor
Chassis
- Frame
- Type Deltabox en acier
- Gearbox
- 6-speed
- Final drive
- Chain (final drive)
- Front suspension
- Fourche téléhydraulique Ø 38 mm, déb : 180 mm
- Rear suspension
- Mono-amortisseur, déb : 180 mm
- Front wheel travel
- 180 mm (7.1 inches)
- Rear wheel travel
- 180 mm (7.1 inches)
Brakes
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 100/90-P18
- Front tyre pressure
- 1.75 bar
- Rear tyre
- 130/80-P17
- Rear tyre pressure
- 2.00 bar
Dimensions
- Seat height
- 850.00 mm
- Wheelbase
- 1405.00 mm
- Fuel capacity
- 11.00 L
- Dry weight
- 128.00 kg
- New price
- 4 575 €
Overview
Do you remember a time when a 125 wasn't just an accessory for teenagers or a constrained urban vehicle? A time when manufacturers still dared to instill a genuine sporty and adventurous character into small displacement engines. The Yamaha TDR 125, especially in its 2001 version, is one of the last incarnations of this almost-disappeared philosophy. With its sickle-shaped silhouette, inspired by its big sister TDM, it displays a stature and presence that brazenly lies about its displacement. Sitting on it, you feel like you’re on a mid-size engine motorcycle, far from the image of a small scooter. Its Deltabox steel frame and 38 mm fork confirm this impression of solidity and serious intentions.

But let's move on to the heart of the matter, its engine. This 125 cc two-stroke engine delivers 25 horsepower at 7000 rpm, an honorable power output but, frankly, feels restricted. Legislation of the time had already muzzled it. Everyone talks about derestricting the Yamaha TDR 125, and for good reason. In its "full" version available elsewhere in Europe, the machine reveals its true potential, almost doubled, radically transforming the bike. The derestricted Yamaha TDR 125 top speed easily exceeds the official 105 km/h, flirting with much more exciting territories. This is the drama and fascination for this motorcycle: you feel like you’re piloting a watered-down version of a true sportbike, with that characteristic two-stroke punch that no modern four-stroke can reproduce.
On the road, it lives up to its visual promises. The behavior is surprisingly mature and reassuring. Maneuverable in the city thanks to a contained dry weight of 128 kg, it transforms into a pleasant and stable touring companion as soon as the road twists. The single front and rear disc brakes are more than honest, and the suspension, with 180 mm of travel, absorbs imperfections well. The only real ergonomic drawback is its seat at 850 mm from the ground, quite high and hard over time. And you have to deal with the "charms" of a two-stroke: an oil consumption, a characteristic odor, and a sputtering sound that is no longer to everyone's taste.
Today, finding a used Yamaha TDR 125 is often a treasure hunt. Announcements for a used Yamaha TDR 125 on Le Bon Coin are scrutinized by enthusiasts of simple and characterful mechanics. With a new price that hovered around 4600 euros at the time, it was a significant investment for a 125. But it offered complete equipment: alloy rims, luggage rack, complete instrumentation. What attracts today, beyond nostalgia, is its customization potential. Whether you are tempted by a Yamaha TDR 125 scrambler style for trails or a transformation into a more refined Yamaha TDR 125 cafe racer, its simple mechanical base and solid frame make it an ideal platform. Maintenance of the Yamaha TDR 125 is within the reach of DIYers, and a workshop manual for the Yamaha TDR 125 is a must for those who want to keep it alive.
So, who is it for? Certainly not for a beginner only interested in a frugal means of transport. The Yamaha TDR 125 is for the enthusiast who is looking for a motorcycle with a soul, a mechanical project, or a unique mount to learn the basics of sporty riding without the fear of a large displacement engine. It is a machine that requires involvement, whether it's hunting for Yamaha TDR 125 parts or adjusting its carburetor. But once you connect with it, it returns that passion tenfold, offering pure sensations that modern, sanitized machines have forgotten.
Practical info
- La moto est accessible aux permis : A
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