Yamaha YZ250X - 2026 Specifications and Reviews

The 2026 Yamaha YZ250X is a lightweight 249cc 2-stroke competition motorcycle built for intermediate to advanced off-road riders seeking aggressive trail and motocross performance. Known for its responsive power delivery and nimble handling, the YZ250X delivers the raw speed and precision control needed by serious racers and weekend warriors alike.

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Engine and Transmission Specifications

Capacity249 cc
Final DriveChain
GearboxConstant-mesh 5-speed; multiplate wet clutch
InductionHitachi Astemo® Keihin PWK38S
Compression Ratio7.9~9.4:1
Bore x Stroke66.4mm x 72.0mm
Engine Type249cc liquid-cooled 2-stroke; reed-valve inducted

Physical measures and capacities

Ground Clearance360 mm (14.2´´)
Overall Height1,290 mm (50.8´´)
Overall Width825 mm (32.5´´)
Overall Length2,185 mm (86´´)
Wet Weight229 lb
Wheelbase58.5 in
Seat Height38.4 in
Fuel Capacity1.8 gal
 
 

Yamaha YZ250X 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

Track30%
City5%
Cornering88%
Daily Riding10%
Touring15%
Passenger0%

Rider Profile

Best ForBest suited to intermediate through expert off-road riders who already understand two-stroke power delivery and clutch management.
PurposeBuilt purely for cross-country and hard enduro style off-road riding rather than any road or commuting use.
Rider FitIts light wet weight and tall 38.4 inch seat height favor taller, physically fit riders comfortable standing and shifting body weight over rough terrain.
CharacterA light, high-strung, aggressive 2-stroke enduro machine that rewards precise clutch and throttle control with explosive acceleration and razor-sharp handling.
Not Ideal ForNot suitable for new riders, street use, passengers, or anyone seeking comfort-oriented long-distance touring capability.

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

Rider Reviews

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