2025 Yamaha Yz450f Horsepower. The 2025 yamaha yz450f is a motocross masterpiece, built to dominate the track and deliver unparalleled performance. There’s even discord among recent teammates on the monster energy star yamaha racing team.

Dyno testing yamaha’s 450 motocross bike for horsepower and torque. After putting the 2025 yamaha yz450f to the test at glen helen during the media ride day, motoonline’s caleb tennant shares his insights on the latest updates in this overview edit.