2023 YAMAHA WR250F,

Play Fast;

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Born from the Supercross-dominating YZ250F, then tuned for enduro riding to offer the fastest way through tight singletrack.

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• Class-Leading Suspension: The Yamaha WR250F uses KYB spring-type forks with industry-leading functionality and easy tuneability for a wide range of conditions.
• EPA-Compliant Emissions: Thanks to carefully balanced ECU tuning and a Forestry Service-compliant spark arrestor-type muffler, the WR250F is ready to go where you want, when you want.

• Rearward-Slanted Cylinder Design: The WR250F's distinct rearward-slanted cylinder design—complete with rear exhaust and forward-mounted intake system—features a cylinder head that works with the frame geometry for optimized weight distribution. Inside, the engine features all of the updates found in the race-focused YZ250F: a straight intake tract, aggressive cam profiles, high-compression “box bridge piston design with DLC-coated piston pin and more.
• Enduro Engine Tuning: WR250F-specific ignition and fuel injection maps are optimized for enduro riding and racing, for exceptionally smooth and controllable midrange power with longer-lasting pulling power in the top-end.
• Unique Intake and Exhaust Systems: The WR250F features a two-piece air filter that works in conjunction with the tuned intake tract length and a WR-specific muffler to boost the linear feeling of traction and drive. Not only is the WR250F muffler completely mechanical—eliminating the need to repack—it integrates a U.S. Forestry Service-compliant spark arrestor too.
• High-Capacity Radiator: The WR250F uses a large radiator with excellent cooling capacity shared with the YZ250F motocrosser, complete with a cooling fan for consistent performance during the toughest enduro rides.
• Electric Starter System: The WR250F features a lead acid battery powered compact electric starter system to simplify restarts on the trail and add convenience everywhere else.
• Advanced Fuel Injection: The engine breathes through a 44mm Mikuni throttle body fed by a high-pressure elect