What is the engine displacement of the 2026 Yamaha YZ250?

The 2026 Yamaha YZ250 has an engine displacement of 249 cc.

2026 Yamaha YZ250 Price, Specs, Review

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Review

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The 2026 Yamaha YZ250 stands as a testament to Yamaha's commitment to two-stroke performance, celebrating over half a century of motocross dominance. At its heart lies the legendary 249cc liquid-cooled engine, featuring the Yamaha Power Valve System (YPVS) which provides a broad, hard-hitting powerband that remains competitive even against modern four-strokes. For 2026, the YZ250 is highlighted by the stunning 70th Anniversary Edition, sporting the iconic white and red 'speed block' livery that pays homage to Yamaha's rich racing heritage. The chassis continues to utilize a lightweight aluminum semi-double cradle frame, paired with the industry-standard KYB Speed-Sensitive System (SSS) forks. A key update for 2026 includes new hand-adjustable compression clickers on the front forks, allowing riders to make quick trackside adjustments without tools. With a wet weight of just 103 kg (227 lbs), the YZ250 offers a level of agility and 'flickability' that is hard to match. The Hitachi Astemo Keihin PWK38S carburetor ensures crisp throttle response, while the close-ratio 5-speed transmission provides the perfect gearing for intense motocross action. It remains the go-to choice for riders seeking a pure, visceral racing experience with lower maintenance complexity and the unmistakable sound of a high-performance two-stroke engine.

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License Class (EU)

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Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.

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Fuel Economy & Running Costs

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Estimated average for 249cc class: 55-80 mpg (3.0-4.5 L/100km)

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Insurance Class

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Insurance grouping for Yamaha YZ250 (249cc):