What makes the 2027 Yamaha YZ250F stand out is its compact, race-ready powerplant paired with a precisely tuned chassis that communicates directly with the rider. The bike employs a 250cc liquid-cooled DOHC 4-stroke engine with 4 valves and Mikuni 44mm induction, delivering a responsive rush through a constant-m Mesh 5-speed transmission with a multiplate wet clutch. Its 14.1:1 compression ratio contributes to a lively midrange, while a 1.6 gallon fuel tank keeps you focused on the track or trail without frequent refills. From a dynamic suspension perspective, the front is outfitted with a KYB Speed-Sensitive System inverted fork that is fully adjustable and offers 12.2 inches of travel, paired with a KYB single rear shock that is also fully adjustable and provides 12.3 inches of travel. The chassis sits on a compact footprint with a vehicle body length of 7.17 feet, a width of 2.71 feet, and a height of 4.18 feet, delivering a nimble, ride-enabling profile. The wheelbase measures 4.86 feet, contributing to stable handling at speed, while the wet weight comes in at 236 pounds for a balanced performer on both loose terrain and smooth tracks. The Yamaha YZ250F is built with premium materials and a focused engineering approach that emphasizes precise handling, responsive power delivery, and durable performance. Its bore and stroke are listed at 252.62 feet, reinforcing a compact power unit that revs eagerly, and the overall package invites riders to push their limits with confidence. View the Yamaha YZ250F at Vallely Sport & Marine.