Key performance
Technical specifications
Engine
- Displacement
- 249 cc
- Power
- 48.0 ch (35.3 kW)
- Engine type
- Single cylinder, two-stroke
- Cooling
- Liquid
- Compression ratio
- 10.6:1
- Bore × stroke
- 66.4 x 72.0 mm (2.6 x 2.8 inches)
- Fuel system
- Carburettor. Keihin PWK38S
- Lubrication
- Premix
- Ignition
- CDI
- Starter
- Electric
Chassis
- Frame
- Semi-double cradle, aluminium
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Front suspension
- KYB® Speed-Sensitive System inverted fork; fully adjustable
- Rear suspension
- KYB® single shock; fully adjustable
- Front wheel travel
- 300 mm (11.8 inches)
- Rear wheel travel
- 315 mm (12.4 inches)
Brakes
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 80/100-21
- Rear tyre
- 110/90-19
Dimensions
- Seat height
- 970.00 mm
- Wheelbase
- 1481.00 mm
- Ground clearance
- 361.00 mm
- Length
- 2177.00 mm
- Width
- 827.00 mm
- Height
- 1306.00 mm
- Fuel capacity
- 8.00 L
- Weight
- 103.00 kg
- New price
- 8 299 €
Overview
Motorcycle: Yamaha YZ250 (2021)

How do you keep a legend alive when the world seems to want to stifle it? Since its launch in 1974, the Yamaha YZ250 has survived all trends, all environmental pressures, and remains today, in 2024, a monument of two-stroke motocross. Its current price of 8299 euros may seem high for a machine that, on the surface, hasn't changed much. But that's its strength: it doesn't need to revolutionize every year to remain a benchmark. It is the weapon of those who know.
Its engine is a statement of principle. A 249 cc two-stroke single-cylinder engine, developing 48 horsepower, that is not measured in figures on a graph but in sensations on terrain. It responds with the characteristic brutality of two-strokes, an immediate and explosive response that four-strokes cannot imitate. Yamaha’s YPVS system optimizes this power delivery, making the machine more docile in technical sections without diminishing its ferocity. With only 103 kg to feed, this power provides acceleration that turns the rider from projectile to projectile in seconds. The question "What is the speed of a Yamaha YZ250?" is almost incongruous on a cross track, because its performance is judged by its ability to exit corners and tame bumps, not in kilometers per hour.
The chassis is its other pillar. This aluminum semi-double cradle frame, with a wheelbase of 1481 mm, offers calculated rigidity and natural flexibility that make this motorcycle an intuitive partner. The fully adjustable KYB suspensions are directly derived from the know-how developed on YZ-F four-stroke models. They absorb shocks with precision that allows you to maintain your pace even in the most chaotic terrain. It is a standard equipment that rivals that of prepared competition machines.

Who is it for? For the motocross rider who seeks raw sensation, total control, and mechanical simplicity. A two-stroke engine is easier to disassemble, adjust, and maintain. It is also the machine of the nostalgic enthusiast, the one who tasted two-strokes in his youth and refuses to switch to four-strokes, which are more complex and heavier. It is not for beginners, because its power is abrupt and its handling requires a certain mastery. But for those who know, it is a tool of formidable effectiveness.
Compared to modern KTM or Husqvarna two-strokes, the Yamaha YZ250 may seem more conservative. It lacks electronics, fine adjustments with a dial, or the latest innovations in frame technology. But it has consistency, reliability, and a well-tempered character that has forged its legend. Its used price, like for a 2006 YZ250 or even older models, remains high for a machine in good condition, testifying to its strong residual value. Special editions, such as the 50th Anniversary in 2024, are collector's items for purists.
In short, the Yamaha YZ250 is not a motorcycle that is sold with marketing arguments. It is sold through its history, through the trophies it has helped to conquer, and through the smile it puts on the rider's face when he pulls on the cord of a two-stroke at full power. It is a living vestige, and a combat tool that is still relevant today.
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