Yz250F
2026 Yamaha Yz250F Technical Analysis & Specification Breakdown
Engineered by Yamaha for the cross - motocross motorcycle segment, the 2026 Yamaha Yz250F features a 250 cc engine configuration. Internal engine geometry specifies a bore and stroke of 77.0mm × 53.6mm with a 13.8:1 compression ratio.
On the scales, the Yz250F measures 231 kg (509 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 38 mm (1.5 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 58 mm (2.3 in) wheelbase engineered for quick, flickable steering geometry. The 1.6-liter (0.4 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Yamaha archive, this model family spans 19 indexed model years from 2008 to 2026, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
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