The WR450F includes a range of enduro-specific upgrades compared to the YZ450F motocrosser, including a wide, full-coverage composite engine guard, 18-inch rear wheel, large 2.15-gallon fuel tank, radiator fan, sealed O-ring chain, fuel level and engine warning lights, steel rear sprocket, and a high-mounted folding aluminum kickstand. 2023 Yamaha WR450FBORN TO RIDEFeaturing a powerful, user-friendly engine along with industry-leading suspension and chassis, the WR450F offers high performance for aggressive enduro riding.Features may include:TOP FEATURESCompact Cylinder HeadThe WR450F features aggressive cam profiles, a high compression piston with low friction rings, long connection rod, large exhaust head pipe connector, a high-flow air filter, efficient breather system and a compact, lightweight magnesium valve cover.Bilateral Beam FrameThe WR450F aluminum frame features flex characteristics that give riders the ultimate combination of precise cornering performance, traction and bump stability. The rigidity balance of the chassis, as well as engine mounts, top triple clamp and front axle increases rider confidence.ENGINECylinder DesignThe WR450F’s rear exhaust and forward-mounted intake system features a cylinder head design that works with the frame geometry for optimized weight distribution. The engine features a straight intake tract, aggressive cam profiles, high-compression “box bridge” piston design with DLC-coated piston pin and more.Enduro Engine TuningWR450F-specfic ignition and fuel injection maps are optimized for enduro riding and racing for exceptionally smooth, controllable midrange and extended pulling power in the top-end.Unique Intake and Exhaust SystemsThe WR450F features an 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 WR450F muffler completely mechanical—eliminating the need to repack—it integrates a U.S. Forestry Service-compliant spark arrestor too.CHASSIS/SUSPENSIONYZ450F-Derived Bilateral Beam FrameYamaha’s refined aluminum frame provides high performance on technical, aggressive terrain sections and comfort for those long days in the saddle, with frame spars and engine mounts developed alongside the YZ450FX cross country racer to centralize mass for the best possible balance of bump absorption, stiffness and rider feel.Compact Body and Seat DesignThe WR450F features stylish bodywork from tip to tail, including a large 2.15 gallon, mass-centralized fuel tank. The body design is narrow for more comfortable knee grip and control, while the seat gives the rider additional room to move. Even the rear fender is designed for added rigidity to make moving the machine easier.ADDITIONAL FEATURESEnduro-Ready DetailingThe WR450F includes a range of enduro-specific upgrades compared to the YZ450F motocrosser, including a wide, full-coverage composite engine guard, 18-inch rear wheel, large 2.15-gallon fuel tank, radiator fan, sealed O-ring chain, fuel level and engine warning lights, steel rear sprocket, and a high-mounted folding aluminum kickstand.Multi-Function Enduro MeterThe compact meter has a high-contrast liquid crystal display with a fuel consumption indicator. The meter features two modes: Standard and Race. Standard mode displays the speedometer, two trips meters and clock functions while Race mode features average speed, timer and trip functionality along with low fuel and engine warning lights.Compact Headlight UnitThe WR450F’s headlight fairing and compact taillight unit centralize mass and improve the racy, agile styling of the machine.
