2025 Yz450f Testvision. Looking to update your blue machine or maybe you. With its revamped 450cc engine, advanced power tuner app, lightwe.

Follow motocross action through day one of testing on the 2025 yamaha yz450f at glen helen raceway. Yamaha’s yz450f romped our annual dirt rider 450cc motocross bike comparison test in both 2023 and 2024.