Yamaha YZ250 - 2026 Specifications and Reviews

The 2026 Yamaha YZ250 is a competitive 249cc liquid-cooled 2-stroke designed for intermediate to advanced motocross racers seeking aggressive power delivery and precision handling. Known for its potent peak power and responsive throttle character, this machine excels in technical terrain and demanding race conditions. Its lightweight 227-pound platform and compact dimensions deliver the agility and control serious off-road competitors demand.

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Engine and Transmission Specifications

Capacity249 cc
Final DriveChain
GearboxConstant-mesh 5-speed; multiplate wet clutch
InductionHitachi Astemo® Keihin PWK38S carburetor
Compression Ratio8.9~10.6:1
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 Weight227 lb
Wheelbase58.5 in
Seat Height38.4 in
Fuel Capacity1.8 gal
 
 

Yamaha YZ250 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

Track90%
City5%
Cornering85%
Daily Riding8%
Touring8%
Passenger0%

Rider Profile

Best ForBest suited to intermediate and expert off-road riders who understand two-stroke power delivery and motocross bike handling.
PurposeBuilt purely for motocross track riding and competitive off-road racing, not for general transportation.
Rider FitIts ultra-light 103 kg wet weight and tall 975 mm seat height demand good rider fitness, standing-based riding skill, and reasonable leg length.
CharacterA raw, punchy two-stroke motocrosser that rewards aggressive riding, precise clutch and throttle control, and delivers explosive mid-to-top-end power with razor-sharp agility.
Not Ideal ForNot suitable for commuting, highway travel, passengers, or riders wanting plush comfort and low-maintenance simplicity.

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

Rider Reviews

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