YZ450F

With its innovative reverse cylinder head as well as an ultra-compact chassis and sophisticated suspension, the YZ450F is ready to push your racing career to the next level.

 

TOP FEATURES INCLUDE:

  • 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.
  • Class-Leading Suspension 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.

 

2019 YAMAHA YZ450FX R114 950

SPECIFICATIONS

ENGINE:

  • Engine Type – 449cc liquid-cooled DOHC 4-stroke; 4 titanium valves
  • Bore x Stroke – 97.0mm × 60.9mm
  • Compression Ratio – 12.8:1
  • Fuel Delivery – Mikuni® fuel injection, 44mm
  • Transmission – Constant-mesh wide-ratio 5-speed; multiplate wet clutch
  • Final Drive -Chain

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