Honda CRF450R vs. Husqvarna FC450 vs. Kawasaki KX450F vs. KTM 450 SX-F vs. Suzuki RM-Z450 vs. Yamaha YZ450F

Yamaha still has the only reverse-incline (rearward facing cylinder head) engine in the 450cc class. The YZ450F last underwent a major redesign in 2014.