Yamaha took the championship winning YZ450F and made it even better—more powerful, lighter, slimmer, with enhanced overall stability and more agility than ever! Because the best don’t …

Our 2025 test bike weighs in at 232 pounds without fuel, which positions it as the lightest Japanese 450 and only 3 pounds heavier than the Husqvarna FC450 we tested last month. …

2024年8月13日 · A fuel-injected liquid-cooled DOHC four-stroke 450cc engine is the heart of the YZ450F. Bore and stroke returns with 97.0 x 60.8mm dimensions, as does the 13.0:1 …

2024年9月28日 · How Much Power Does the 2025 Yamaha YZ450F Make? Dyno testing Yamaha’s 450cc motocross bike for horsepower and torque. It’s no secret that 450cc …

Featuring a reversed cylinder head layout, forged aluminium piston, titanium valves, lightened crank assembly and dry sump lubrication, the YZ450F's advanced DOHC four-stroke engine is …

2025年3月21日 · Powerful 450cc Four-Stroke Engine Featuring a reversed cylinder head layout, forged aluminum piston, 39 mm titanium valves, lightened crank assembly and dry sump …

2025年3月21日 · 450cc engine is lighter and more compact with increased power across the entire rev range, while increasing the rev limit by 500 rpm for even more top-end power. A …

2024年8月14日 · Model year 2025 brings a revised YZ450F into the fold. With key updates to an already-top-of-the-line suspension package, linkage changes, and durability refinements, …

2024年9月2日 · The latest YZ450F features a new rear shock linkage and updated suspension settings front and rear. The forward engine mounts are also different, returning to a one-piece …

This is the lightest, slimmest, sharpest and fastest 450cc motocross bike ever built by Yamaha. Its winning potential in MXGP and SX show just how good this bike is.