The 2021 YZ450F returns with all of the class-leading features first introduced on the 2020 YZ450F, including an updated engine, cylinder head, frame and technology features for a lighter, more powerful and better handling motocross experience.
Racers can achieve quicker, smoother race starts through Yamaha’s Launch Control System, adjust their on-track performance using the onboard wireless connectivity through the free of charge Yamaha Power Tuner App right from their phone, and choose between two user-defined ECU maps on the fly through the handlebar-mounted dual-mode engine map switch.
Liquid-cooled 4-stroke, DOHC, 4-valve
97.0 × 60.9
13.0 : 1
Constant mesh, 5-speed
Telescopic forks, 310mm travel
Swingarm (link suspension), 317mm travel
Hydraulic single disc, 270mm
Hydraulic single disc, 240mm
80/100-21 Dunlop MX33
120/80-19 Dunlop MX33