To accommodate the YZ450F’s new frame, revised fork settings offer enhanced ride quality.

A new KYB® shock enhances damping feel with less bump reaction, providing the confidence to ride harder for longer.

The new rear shock now includes a hand-operated low-speed compression clicker for simplified trackside adjustments.

A redesigned intake port produces a stronger tumble effect for more efficient combustion and improved torque characteristics.

Updated intake and exhaust design reduces noise in compliance with FIM/AMA regulations and increase rider comfort.

A new hydraulic clutch now comes standard providing a high quality feel, smoother feathering and a consistent mesh point.

A new clutch inner hub design also enables lubrication over a larger area for more stable performance.

Updated styling includes a slimmer, more compact front number plate, new two-piece side covers and sharper rear fender.

A new honeycomb-pattern seat material eases the rider’s ability to slide forward while holding the rider from sliding rearward.

An industry-first ECU lock function helps prevent theft and unauthorized engine start-up via a password-required lock.

A new frame design focuses on the balance of rigidity and flex characteristics for calmer front-end feel and improved cornering performance.