The Kawasaki KX450 is an incredible dirt ... the Honda CRF450R set the standards for how a powerful dirt bike should be built. The 450cc Uni-cam engine has a higher compression ratio and features ...

SX-F gets chassis updates, and the orange track weapon advances even more with the 450 SX-F Factory Edition and a new ...

A prototype of Ducati's forthcoming Desmo450MX race bike drew crowds at Anaheim's Supercross races at the start of 2025, and ...

In the premier ranks of Supercross and Motocross, both in the US and around the world, the 450cc four-stroke dirt bike reigns supreme ... much like its Yamaha and Kawasaki counterparts.