Yz250
2026 Yamaha Yz250 Technical Analysis & Specification Breakdown
Positioned in Yamaha's motorcycle lineup, the 2026 Yamaha Yz250 relies on a 249 cc engine powerplant. Internal engine geometry specifies a bore and stroke of 66.4mm × 72.0mm with a 8.9~10.6:1 compression ratio.
On the scales, the Yz250 measures 227 kg (500 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 1.8-liter (0.5 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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