2025 Yamaha YZ 250FX Single-Cylinder 250

2025 Yamaha YZ250FX

PURPOSE BUILT OFF-ROAD WEAPON

With its revamped chassis and enhanced ergonomics, the new YZ250FX is lighter, sharper and more agile than ever. The perfect weapon for carving up cross country courses.

Features may include:

NEW FOR 2025

All-New Aluminum Bilateral Beam Frame

A completely redesigned aluminum bilateral beam frame based on the class-dominating YZ250F provides just the right amount of strength and flex for the perfect balance of stability and cornering performance. The result is a better handling machine with lightweight feel and increased front wheel traction, allowing the rider to enter corners with greater confidence and more line choices.

New Air Intake

Optimized intake path draws air from under the side covers and seat allowing for a lighter, slimmer and more compact body. This redesign allows radiator shrouds to be 50mm slimmer and the airbox cover to be lower and more narrow. The more efficient intake path also boosts mid- to high-rpm engine performance.

New Yamaha Power Tuner App

Like having factory team support in your pocket, Yamaha's groundbreaking Power Tuner App is revised to be even more user-friendly. New features include an intuitive "Simple Tuning" slide bar for engine mapping, Traction and Launch Control tuning, a lap timer, along with helpful new engine and suspension tuning guides.

TOP FEATURES

A Lighter, Slimmer Class-Dominating GNCC® Racer

Based on the championship-winning YZ250F, a lighter, more compact chassis offers improved agility and handling feel in tight, technical terrain, along with better ergos and a more comfortable riding position for less fatigue over greater distances. Yamaha's revolutionary front-intake, rear-exhaust, liquid-cooled, DOHC 4-stroke power plant is paired to a wide ratio six-speed transmission for enhanced cross country performance, making the new 2025 YZ250FX ready for grueling GNCC® or Hare Scramble competitions straight out of the box.

Advanced 250cc Four-Stroke Engine

The compact, powerful YZ250FX engine includes all the same race-developed technologies of the championship-winning YZ250F, tuned for cross country performance. Featuring a high-spec piston, aggressive cam profiles and forward positioned intake cylinder head layout, the YZ250FX's advanced four-stroke engine is known for its broad, useable powerband and class-leading low-end and mid-range torque. New for 2025, a more efficient intake path and revised ECU settings results in even more mid- to high-end power. The cam chain has also been redesigned for improved durability.

All-New Aluminum Bilateral Beam Frame

A completely redesigned aluminum bilateral beam frame based on the class-dominating YZ250F motocross model provides just the right amount of strength and flex for the perfect balance of stability and cornering performance. The result is a better handling machine with lighter feel, more agility and increased traction, allowing the rider to charge corners with greater confidence.

ENGINE

Advanced 250cc Four-Stroke Engine

The YZ250FX's liquid-cooled, DOHC 4-valve, fuel-injected powerplant features a forward-positioned straight downdraft intake with symmetrical intake ports, high-spec piston and aggressive cam profiles. Developed for victories in the highly competitive GNCC® and Hare Scrambles race series, the advanced four-stroke engine is known for its broad, useable powerband and strong low-end and mid-range torque. New for 2025, a more efficient intake path and revised ECU settings results in even more mid- to high-end power.

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