2024 Yz450f Horsepower Formula. The yamaha yz450f won our shootout last year, but it's not perfect. The 2023 yamaha yz450f, and subsequent 2024 model, was a proven shootout winner.
Instead of resting on its laurels, yamaha. The 2024 yamaha yz450f not only has a lighter design but it’s also the slimmest it has ever been.