Key performance
Technical specifications
Engine
- Displacement
- 250 cc
- Power
- 32.0 ch (23.5 kW)
- Engine type
- Single cylinder, four-stroke
- Cooling
- Liquid
- Compression ratio
- 13.5:1
- Bore × stroke
- 77.0 x 53.6 mm (3.0 x 2.1 inches)
- Valves/cylinder
- 4
- Camshafts
- 2 ACT
- Fuel system
- Injection. Yamaha Fuel Injection (YFI) Keihin® 44mm
- Valve timing
- Double Overhead Cams/Twin Cam (DOHC)
- Lubrication
- Wet sump
- Ignition
- CDI
- Starter
- Electric
Chassis
- Frame
- Aluminium, bilateral beam frame
- Gearbox
- 6-speed
- Final drive
- Chain (final drive)
- Clutch
- Multiplate wet clutch
- Front suspension
- KYB® spring-type fork with speed sensitive damping; fully adjustable
- Rear suspension
- KYB® single shock; fully adjustable
- Front wheel travel
- 310 mm (12.2 inches)
- Rear wheel travel
- 318 mm (12.5 inches)
Brakes
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 90/90-21
- Front tyre pressure
- 1.00 bar
- Rear tyre
- 130/90-18
- Rear tyre pressure
- 1.00 bar
Dimensions
- Seat height
- 965.00 mm
- Wheelbase
- 1466.00 mm
- Ground clearance
- 325.00 mm
- Length
- 2165.00 mm
- Width
- 826.00 mm
- Height
- 1280.00 mm
- Fuel capacity
- 7.50 L
- Weight
- 118.00 kg
- New price
- 9 899 €
Overview
Imagine a motorcycle that makes no compromises, arriving on trails with the DNA of a motocross champion but the refined character of a workhorse enduro. That’s exactly what the Yamaha WR250F offers, a machine that didn’t wait until 2023 or 2024 to prove its worth. Since its major overhaul in 2015, it has constantly refined its recipe, and the 2018 version we are examining is a perfect illustration.

Under the hood, or rather under the 7.5-liter central fuel tank, beats the heart of a 250 cm³ single-cylinder engine that smells of competition. It is directly derived from the victorious AMA YZ250F, with its rearward-tilted cylinder and inverted cylinder head, an architecture that favors remarkable mass centralization. For this year, Yamaha has further squeezed out horsepower and responsiveness. A new cylinder head, revised camshafts, and a shortened intake manifold aim to boost liveliness, especially in the low and mid ranges. The lighter piston and its DLC-treated pin reduce friction, while a revised ECU optimizes injection. The result? An engine that delivers its 32 horsepower with exemplary progressivity, perfect for pulling out of a tight corner or chaining roots. This kind of constant evolution is what makes each Yamaha WR250F test, whether it’s a 2017, 2019, or even 2021 model, always instructive.
But a good enduro isn’t just an engine. It’s primarily a chassis that speaks to the rider. Here, the WR250F borrows its bilateral beam aluminum frame from its track cousin, but with adaptations for the trail. The wheelbase of 1466 mm and a ground clearance of 325 mm announce the direction: agility is targeted without sacrificing stability at speed. The whole is suspended by fully adjustable KYB components, a spring fork at the front and a mono-shock at the rear, tuned to absorb both the dry shocks of rocks and the fast undulations. With an announced weight of 118 kg fully fueled, it sits in the upper-middle range of its category, but this weight is remarkably well distributed. Faced with some European competitors often more lively but also more nervous, the Yamaha relies on a balance and predictability that reassure.
So, who is it for? Clearly for the dedicated enduro practitioner, the one who is looking for a machine capable of doing everything, from technical rides to sustained pace in the forest, or even competing. This is not a motorcycle for beginners, its price of 9899 euros at the time and its demanding temperament confirm it. The single-disc braking system, although sufficient, may seem frugal compared to the double-disc of some rivals, but that’s the price to pay for lightness. Its long 6-speed gearbox is a major asset for liaison stages or large open spaces, and the abandonment of the kick starter in favor of the electric starter alone is a real blessing when you are stuck in a rut. For those considering a used Yamaha WR250F, post-2015 models represent the best modernity/price ratio, as they already incorporate most of the major improvements.
Ultimately, the 2018 Yamaha WR250F is not a revolution, but a successful evolution. It crystallizes years of development, from the 2004 Yamaha WR250F to later versions like the 2022 Yamaha WR250F. It may not be the most explosive or the lightest on the grid, but it offers a rare, reliable, and incredibly effective package on the ground. It’s the preferred tool of the trail explorer who wants a motorcycle that never lets him down, where the feeling of control takes precedence over brute performance. An opinion that will undoubtedly be shared by many who consult listings for a 2023 Yamaha WR250F for sale, in search of this flawless versatility.
Practical info
- La moto est accessible aux permis : A
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