Yamaha YZ250FX (2026)

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Key Specifications

Engine TypeLiquid-cooled DOHC 4-stroke; 4 titanium valves
Engine Capacity250 cc / 15.2 cubic inches
Max Powern/a
Max Torquen/a
Top Speedn/a
Fuel Tank Capacity8 L / 2.1 US gallons
Weight (Wet/Kerb)110.2 kg / 243 lbs
Seat Height955 mm / 37.6 inches
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All Specifications

Make & Model

ModelYamaha YZ250FX
Year2026

Engine

Engine TypeLiquid-cooled DOHC 4-stroke; 4 titanium valves
Displacement250 cc / 15.2 cubic inches
Bore x Stroke77 x 53.6 mm
Compression Ratio13.8 : 1
Number of Cylinders1
Max Horsepowern/a
Max Torquen/a
Valve TrainDOHC
Valves per Cylinder4
Engine Management SystemMikuni® fuel injection, 44mm
Cooling SystemAir Cooled
Ignition SystemTCI

Performance

Top Speedn/a

Transmission

ClutchWet multiplate clutch
GearboxConstant-mesh 6-speed
Final DriveChain
Traction Control SystemYes. 4 Levels

Electrical & Electronics System

ConnectivityPower Tuner App
Traction Control SystemYes. 4 Levels
Launch ControlYes

Chassis & Suspension

Frame TypeAluminum bilateral beam frame
Front SuspensionKYB® Speed-Sensitive System inverted fork; fully adjustable
Front Suspension Travel300 mm / 11.8 inches
Rear SuspensionKYB® single shock; fully adjustable
Rear Suspension Travel305 mm / 12 inches
Rake27 °
Trail122 mm / 4.8 inches

Wheels & Brakes

WheelsWire aluminum wheels
Front Tire Size80/100-21 Dunlop® Geomax MX33F
Rear Tire Size110/100-18 Dunlop® Geomax MX33
Front BrakesHydraulic disc, 270mm
Rear BrakesHydraulic disc, 240mm

Dimension & Weights

Overall Length2170 mm / 85.4 inches
Overall Width825 mm / 32.5 inches
Overall Height1265 mm / 49.8 inches
Seat Height955 mm / 37.6 inches
Wheelbase1471 mm / 57.9 inches
Ground Clearance330.2 mm / 13 inches
Fuel Tank Capacity8 L / 2.1 US gallons
Wet (kerb/curb) Weight110.2 kg / 243 lbs

Features

  • 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.
  • An updated Launch Control System controlled through the Power Tuner App optimizes launches when the gate drops.
  • Four-level Traction Control selectable within the Yamaha Power Tuner App maintains ideal rear wheel traction.
  • A “Simple Tuning” slide bar simplifies engine mapping within the Power Tuner App.
  • An innovative exhaust pipe design improves mass centralization and power characteristics.
  • A more efficient intake path and revised ECU settings result in better top-end performance and improved over-rev character.
  • The adjustable fuel injection system uses a 44mm throttle body to ensure optimum fuel atomization and air/fuel calibration.
  • A redesigned cam chain improves durability.
  • Intake ports, cam profiles, high-strength connecting rod and optimized crank combine to produce potent high-rpm power.
  • The piston, rings and DLC-coated piston pin, along with the offset cylinder configuration, all reduce friction loss.
  • The YZ250FX’s 250cc four-stroke engine is renowned for broad, useable power and class-leading low-end and mid-range torque.
  • Yamaha’s industry-leading Power Tuner App allows owners to tune air/fuel mixture and ignition timing to suit their preference.
  • 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.
  • The YZ250FX’s aggressive body design is slim, flat and eases rider movement for improved control.
  • Large 270mm front and 240mm rear discs combine with Nissin calipers to provide exceptional stopping power and control.
  • KYB® fork includes a hand-adjustable knob for easy compression adjustments.
  • Fully adjustable Speed Sensitive KYB® fork delivers exceptional balance between handling and bump absorption.
  • A redesigned aluminum bilateral beam frame is tuned to provide the perfect balance of stability and cornering performance.
  • 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.

Yamaha YZ250FX (2026) Color Options

  • Icon Blue (Europe)
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