Key performance
Technical specifications
- Front suspension
- 48mm fork, separate air/oil function fork → KYB® Speed-Sensitive System inverted fork; fully adjustable
- Rear suspension
- Monocross rear suspension system → KYB® single shock; fully adjustable
- New price
- 8 099 € → 8 299 €
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
- 976.00 mm
- Wheelbase
- 1481.00 mm
- Ground clearance
- 367.00 mm
- Length
- 2147.00 mm
- Width
- 827.00 mm
- Height
- 1299.00 mm
- Fuel capacity
- 8.00 L
- Weight
- 103.00 kg
- New price
- 8 299 €
Overview
Imagine the smell of castor oil and the sound of a two-stroke tearing through the atmosphere. That's the essence of pure motocross, and the Yamaha YZ250 is one of its last guardians. Since its launch in 1974, this legend has never truly left the track, and the 2018 version we're examining proves that a good concept never ages. For just over €8,200 new at the time, you were buying more than a motorcycle: a piece of history that is still terribly effective.

Beneath the plastic with refreshed graphics, the heart still beats with the same characteristic fury of a two-stroke. The question "Is a Yamaha YZ250 a two-stroke?" becomes almost rhetorical given its temperament is the antithesis of a four-stroke. Its 249 cm3 single-cylinder engine, boosted by the famous YPVS system, doesn't deliver conventional power and torque figures, but a wave of explosive and addictive acceleration. All within an aluminum frame that boasts a featherweight curb weight of 103 kg, an absolute weapon for changing trajectory in the blink of an eye. Compared to more modern and complex competitors, the YZ250 plays the card of formidable simplicity.
This philosophy is reflected in its maintenance. The engine, with its disarming mechanical simplicity, disassembles and adjusts without requiring a doctorate in engineering. This is, in fact, what explains its popularity on the used market. What is the price of a used Yamaha YZ250 two-stroke? For a recent and well-maintained machine, you should expect a significant range, as demand is there. Vintage enthusiasts, meanwhile, scrutinize models like the Yamaha YZ250 2006 or the early years, where prices can vary enormously depending on condition, but where the myth remains intact.

The chassis, for its part, has followed the evolutions of the YZ-F range. The KYB inverted fork and the fully adjustable rear shock offer terrain tracking and jump comfort that are no longer inferior to the best. The braking system, with its 270 mm front disc, has gained bite to control the engine's fury. It's a motorcycle that forgives and encourages you to push your limits, whether you're an enlightened enthusiast seeking raw sensations or a seasoned racer fueled by gasoline and oil.
So, is the Yamaha YZ250 outdated? Its championship record, like in the EMX300, answers no. It's not the most versatile or the easiest for a beginner, its 8-liter tank requiring frequent refueling. But for those seeking direct thrills, pure mechanical connection, and a machine to win races, it remains a benchmark. With the arrival of the 2024 Yamaha YZ250 and especially its 50th Anniversary version, the myth continues to be written, proving that in the chaos of high-tech engines, the sharp cry of a two-stroke always finds its audience.
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