2023 Yamaha YZ450FX

Featuring a powerful engine and the smartphone Power Tuner app to dial in the bike's settings to your style and conditions, the 2023 YZ450FX is power tuned to perfection. Developed from the YZ450F motocross model, the YZ450FX includes added features and unique settings that make it the ultimate woods racer.

The YZ450FX is developed from Yamaha’s flagship motocross model—the YZ450F—with many added features and unique settings that make the YZ450FX the ultimate Woods racer.

The compact, powerful YZ450FX engine includes all the same race-developed technologies of the class-defining YZ450F motocrosser, tuned for cross country performance. A host of go-fast innovations include steep valve angles, aggressive cam profiles, high-compression forged piston with low friction rings, high-flow intake and exhaust systems—all thoughtfully packaged to optimize mass centralization.

Yamaha’s industry-leading Power Tuner app puts the flexibility and precision tunability of the GYTR® Power Tuner into your smartphone. Make fueling and ignition timing changes instantly and upload them to the bike for ultimate track-side tuning. Best of all, it's free-of-charge.

Features may include:

• ?Yamaha Power Tuner app

• Cross-country-focused settings

• "Reversed" rearward-slanted engine design with 4-valve cylinder head (titanium valves)

• Forward-mounted fuel injection and rear-exiting "wrap around" exhaust

• Electric starting

• 5-speed, wide-ratio transmission