Yamaha YZ250FX - 2026 Specifications and Reviews

The 2026 Yamaha YZ250FX is a versatile 250cc four-stroke designed for intermediate to advanced off-road riders seeking a lightweight, nimble trail and enduro machine. Its liquid-cooled engine delivers smooth, controllable power ideal for technical terrain and extended riding, while the compact 243-pound chassis excels in tight woods and rocky conditions.

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Engine and Transmission Specifications

Final DriveChain
Gearbox6-speed; multiplate wet clutch
InductionMikuni® fuel injection, 44mm
Compression Ratio13.8:1
Bore x Stroke77.0mm x 53.6mm
Engine Type250cc liquid-cooled DOHC 4-stroke; 4 titanium valves

Physical measures and capacities

Wet Weight243 lb
Wheelbase57.9 in
Seat Height37.6 in
Fuel Capacity2.1 gal

Yamaha YZ250FX dimensions and frame

Trail4.8 in
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track55%
City15%
Cornering80%
Daily Riding20%
Touring25%
Passenger5%

Rider Profile

Best ForThis bike suits intermediate to expert off-road riders comfortable with a tall, light, high-strung competition-derived cross-country machine.
PurposeBuilt for cross-country and off-road racing, favoring flickable handling and strong midrange over outright top speed or road use.
Rider FitThe tall 37.6 inch seat height and 243 lb wet weight demand decent rider height, fitness, and standing-attack riding technique.
CharacterA precise, high-revving 250cc four-stroke race bike with sharp throttle response and razor-sharp handling in tight, technical terrain.
Not Ideal ForNot suited to riders wanting a comfortable street commuter, a passenger-friendly setup, or long-distance paved touring.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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