Yz250Fx
2026 Yamaha Yz250Fx Technical Analysis & Specification Breakdown
Positioned in Yamaha's cross - motocross motorcycle lineup, the 2026 Yamaha Yz250Fx features a 250 cc engine configuration. Internal engine geometry specifies a bore and stroke of 77.0mm x 53.6mm with a 13.8:1 compression ratio.
On the scales, the Yz250Fx measures 243 kg (536 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 37 mm (1.5 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 57 mm (2.3 in) wheelbase engineered for quick, flickable steering geometry. The 2.1-liter (0.6 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Yamaha archive, this model family spans 12 indexed model years from 2015 to 2026, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
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