With its advanced chassis and rider-focused ergonomics, the YZ250FX is lighter, sharper and more agile than ever. The perfect weapon for carving up cross country courses.

Features may include:

A forged piston features a bridge-box design for maximized strength with minimal weight.

A compact, centrally-mounted electric starter system simplifies starting and minimizes restart delays for added convenience.

The YZ250FX features a large-diameter 15-plate clutch to withstand the extreme demands of cross country racing.

A six-speed transmission ensures the right gear is available for the wide variety of terrain found in cross country racing.

Handlebar-mounted switchbox allows on-the-fly selection between two preloaded engine maps with the push of a button.

New for 2026, an industry-first ECU lock function helps prevent theft and unauthorized engine start-up.

A linkage-type rear suspension with KYB shock is tuned to provide less pitch and improved stability.

Premium Dunlop Geomax MX33 tires maximize traction while delivering excellent durability.

Strong, lightweight wheels reduce unsprung weight without sacrificing durability.

Wide 55mm foot pegs provide additional control and comfort.

Tapered aluminum handlebars are secured to four-position adjustable handlebar mounts.

The rider triangle is improved with increased legroom between the seat and foot pegs for greater rider comfort.

Sleek air cleaner cover provides tool-free access to the air filter for simplified servicing.

Premium competition-inspired graphics are embedded to provide excellent durability and scratch resistance.

Built for enduro with a 2.1-gallon fuel tank, rugged plastic skid plate, 18-inch rear wheel and sealed drive chain.

The 2027 Yamaha YZ250FX stands out with a high-performance DOHC 4-stroke engine featuring 4 titanium valves and Mikuni fuel injection, 44 millimeters in the throat, delivering precise throttle response across the powerband. With a compact 250cc displacement and liquid cooling, this machine is tuned for responsive, race-ready performance while maintaining efficient thermal management. A 6-speed transmission with a multiplate wet clutch, along with a chain final drive, keeps the power delivery direct from the engine to the rear wheel for confident on-track handling.

In the ride department, the Yamaha YZ250FX features a fully adjustable KYB spring-type front fork with speed-sensitive damping and 11.8 inches of travel, paired with a KYB single rear shock offering 12.0 inches of travel. The front and rear suspension work in harmony with a geometry that includes a 27-degree rake and a wheelbase of 4.83 feet, delivering stable cornering and rider feedback. Braking pairs strong front performancefront brake distance of 885.83 feetwith reliable rear stopping power at 787.4 feet, ensuring predictable control in demanding sections. The lightweight chassis, listed at 243 pounds with a full tank, supports nimble handling, while the seat height of 3.13 feet helps riders find a confident riding position.

Constructed for rugged durability, this model uses a 2.1-gallon fuel tank and Dunlop Geomax MX33F tires in 21-inch front and 18-inch rear sizes to balance grip and steering feel. The YZ250FX also features a 252.62-foot bore and 175.85-foot stroke with a compression ratio of 13.8:1, reflecting its purpose-built engineering. View the Yamaha YZ250FX at Vallely Sport & Marine.