2019 Yamaha YZ450FX

New MotorcyclesDirt: Cross Country
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Retail Price: $9,499
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$8,492

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POWER, TUNED TO PERFECTION

SAVE $1,000 OFF MSRP!!!

Same DNA as the class-leading YZ450F, with a bigger fuel tank, electric start and power tuner smartphone app that lets you adjust your bike's settings to your specific style and conditions.

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

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
Y00878

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 Professional rider(s) on closed area.  Dress properly for your ride with a helmet, eye protection, and protective riding gear.  Do not drink and ride.  It is illegal and dangerous.  Specifications are subject to change.