GNCC®/Hare Scrambles Focused Racer
All new for 2019, YZ450FX™ is based on Yamaha’s flagship motocross model—the YZ450F—with many added features and unique settings that make the YZ450FX the ultimate GNCC®/Woods racer.
Yamaha Power Tuner App
Yamaha’s exclusive 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 via the onboard WiFi system for the ultimate in track-side tuning.
Electric Starter System
Utilizing a compact starter motor and ultra-lightweight lithium battery, the YZ450FX maintains the convenience of push-button starting, for effortless restarts under pressure, and relaxed riding when the clock isn’t ticking.
Potent Fuel-Injected Engine
A high-compression cylinder head, forged piston, aggressive cam profiles, cylinder geometry and much more work together to give YZ450FX riders the ideal power spread in challenging GNCC® racing conditions.
Advanced Alloy Frame
Yamaha’s bilateral beam aluminum frame features main spars, FX-specific engine mounts and an engine mounting position that centralizes mass and provides an ideal balance between cornering feel and straight-line confidence.
Yamaha uses KYB® spring-type forks on all of our YZ® models, with industry leading function and easy set-up at the track—these fork are ready for the top step of the podium straight out of the box.
All-New Cross-Country Racer
For 2019, the new YZ450FX adopts all of the latest upgrades found on the YZ450F motocrosser, including the advanced frame, suspension, engine and electronics—including the Yamaha’s exclusive Power Tuner smartphone app—with changes designed specifically for the needs of cross-country competition.
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