2027 Yamaha YZ250FX

Chassis / Suspension

• ADJUSTABLE TAPERED HANDLEBAR MOUNTS: Tapered aluminum handlebars are secured to four-position adjustable handlebar mounts.
• DUNLOP® GEOMAX MX33 TIRES: Premium Dunlop® Geomax MX33 tires maximize traction while delivering excellent durability.
• HAND-ADJUSTABLE COMPRESSION KNOB: KYB® fork includes a hand-adjustable knob for easy compression adjustments.
• LIGHTWEIGHT DURABLE WHEELS: Strong, lightweight wheels reduce unsprung weight without sacrificing durability.
• OPTIMIZED RIDER TRIANGLE: The rider triangle is improved with increased legroom between the seat and foot pegs for greater rider comfort.
• POWERFUL DUAL-DISC BRAKES: Large 270mm front and 240mm rear discs combine with Nissin calipers to provide exceptional stopping power and control.
• SLIM, RIDER-FRIENDLY BODYWORK: The YZ250FX’s aggressive body design is slim, flat and eases rider movement for improved control.
• SPEED SENSITIVE KYB® FORK: Fully adjustable Speed Sensitive KYB® fork delivers exceptional balance between handling and bump absorption.
• STABILITY-TUNED KYB® REAR SHOCK: A linkage-type rear suspension with KYB® shock is tuned to provide less pitch and improved stability.
• TUNED ALUMINUM BILATERAL FRAME: An aluminum bilateral beam frame is tuned to provide the perfect balance of stability and cornering performance.
• WIDE 55MM FOOT PEGS: Wide 55mm foot pegs provide additional control and comfort.

Engine

• 44MM FUEL INJECTION SYSTEM: The adjustable fuel injection system uses a 44mm throttle body to ensure optimum fuel atomization and air/fuel calibration.
• ADJUSTABLE LAUNCH CONTROL: A Launch Control System controlled through the Power Tuner App optimizes launches when the gate drops.
• BRIDGE-BOX FORGED PISTON: A forged piston features a bridge-box design for maximized strength with minimal weight.
• BROAD-POWER 250CC ENGINE: The YZ250FX’s 250cc four-stroke engine is renowned for broad, useable power and class-leading low-end and mid-range torque.
• CENTRALLY-MOUNTED ELECTRIC STARTER: A compact, centrally-mounted electric starter system simplifies starting and minimizes restart delays for added convenience.
• ECU ANTI-THEFT LOCK: An ECU lock function through the Power Tuner App helps prevent theft and unauthorized engine start-up.
• FOUR-LEVEL TRACTION CONTROL: Four-level Traction Control selectable within the Yamaha Power Tuner App maintains ideal rear wheel traction.
• HANDLEBAR MAP SWITCHBOX: Handlebar-mounted switchbox allows on-the-fly selection between two preloaded engine maps with the push of a button.
• HEAVY-DUTY 15-PLATE CLUTCH: The YZ250FX features a large-diameter 15-plate clutch to withstand the extreme demands of cross country racing.
• HIGH-RPM POWER COMPONENTS: Intake ports, cam profiles, high-strength connecting rod and optimized crank combine to produce potent high-rpm power.
• LOW-FRICTION PISTON ASSEMBLY: The piston, rings and DLC-coated piston pin, along with the offset cylinder configuration, all reduce friction loss.
• MASS-CENTRALIZING EXHAUST DESIGN: An innovative exhaust pipe design improves mass centralization and power characteristics.
• POWER TUNER APP CONNECTIVITY: Yamaha’s industry-leading Power Tuner App allows owners to tune air/fuel mixture and ignition timing to suit their preference.
• SIMPLE TUNING SLIDE BAR: A “Simple Tuning” slide bar simplifies engine mapping within the Power Tuner App.
• WIDE-RANGE SIX-SPEED TRANSMISSION: A six-speed transmission ensures the right gear is available for the wide variety of terrain found in cross country racing.

Key Features

• ADVANCED 250CC FOUR-STROKE ENGINE: Tuned for cross country performance, the compact, powerful YZ250FX engine features a high-spec piston, aggressive cam profiles and forward positioned intake cylinder head layout. The advanced four-stroke engine is known for its broad, useable powerband and class-leading low-end and mid-range torque.
• INNOVATIVE YAMAHA POWER TUNER APP: Yamaha’s free, downloadable, and industry-leading Power Tuner App brings the flexibility and precision of the GYTR® Power Tuner straight to your smartphone. Dial in fueling and ignition timing changes on the app, then instantly upload them to your bike for ultimate trackside tuning. Features include an intuitive “Simple Tuning” slide bar for engine mapping, four-level Traction Control and Launch Control tuning, a lap timer, and helpful engine and suspension tuning guides.
• ADVANCED ALUMINUM BILATERAL BEAM FRAME: The YZ250FX’s advanced aluminum bilateral beam frame provides just the right amount of strength and flex for the perfect balance of stability and cornering performance. The result is a well-handling machine with a light feel, controllable agility and increased traction, allowing the rider to charge corners with confidence.
• CLASS-LEADING SUSPENSION: Unmatched championship-winning performance comes from the fully adjustable KYB® coil spring-type fork with speed-sensitive damping that delivers exceptional balance between handling and bump absorption. The fork includes a hand-adjustable knob for toolless compression adjustment. Linkage-type rear suspension features a KYB® shock with specially tuned settings providing excellent stability and less pitch on corner entry/exit.
• CROSS COUNTRY FEATURES: The YZ250FX comes race-ready out of the crate with an electric starting system, a 2.1-gallon fuel tank, wide-ratio six-speed transmission, rugged plastic skid plate, 18-inch rear wheel, sealed drive chain and high performance Dunlop® Geomax MX33 tires.

Other Features

• EMBEDDED DURABLE GRAPHICS: Premium competition-inspired graphics are embedded to provide excellent durability and scratch resistance.
• ENDURO-READY STANDARD EQUIPMENT: Built for enduro with a 2.1-gallon fuel tank, rugged plastic skid plate, 18-inch rear wheel and sealed drive chain.
• TOOL-FREE AIR FILTER ACCESS: Sleek air cleaner cover provides tool-free access to the air filter for simplified servicing.