Featuring a reversed cylinder head layout, forged aluminum piston, 39 mm titanium valves, lightened crank assembly and dry sump lubrication, the 2025 YZ450F's advanced DOHC four-stroke engine is light, compact and world renowned for its incredibly broad pulling power across the entire rev range.

The premier XC racer built to compete straight out of the box, the all-new YZ450FX takes off‑road performance to the next level. - The Yamaha 2025 YZ450FX.

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Powerful 450cc Four-Stroke Engine. Featuring a reversed cylinder head layout, forged aluminum piston, 39 mm titanium valves, lightened crank assembly and dry sump lubrication, the YZ450FX's advanced DOHC four-stroke engine is light, compact and world renowned for its incredibly broad pulling power across the entire rev range.

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 compression ratio.

Research 2025 Yamaha YZ450F - 450cc standard equipment and specifications at J.D. Power.

2025年3月16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 completely redesigned aluminum bilateral beam frame provides just the right amount of strength and flex for the perfect balance of stability and cornering performance

The 2022 Monster Energy Yamaha Star Racing YZ450F is a production-based motorcycle, and the product of years of testing and development by Yamaha Motor Corporation engineers. The 2022 YZ450F has been continuously refined over the …

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 motocross bikes have more than enough power...

The YZ450F MX motorcycle is tailored for high performance with a focus on stability & power, making it a formidable competitor in the 450cc motocross bike class.