POWER, TUNED TO PERFECTION

POWER, TUNED TO PERFECTION
Built for Cross Country domination with electric start and smartphone power tuner app that adjusts the bike's settings to your style and the track.

• YZ450F™-Based GNCC®/Hare Scrambles Focused 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 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 for the ultimate in track-side tuning.
• Adjustable Engine Mapping
A handlebar-mounted map switch allows the rider to quickly select between preloaded engine maps--loaded and configured in the Power Tuner app--to account for changing track and weather conditions.
• 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 riders the ideal power spread in challenging GNCC® racing conditions.
• 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 forks are ready for the top step of the podium straight out of the box.

COLOR OPTION:
• Team Yamaha Blue

At Yamaha, we want every ride to be safe and enjoyable. Always dress properly for your ride with a helmet, eye protection and protective clothing. Avoid excessive speeds and never engage in stunt riding. Never ride under the influence of alcohol or drugs; it is illegal and dangerous. Always inspect your Yamaha before riding. Read the Owner's Manual and the product warning labels before operation. Yamaha and the Motor Safety Foundation encourage you to ride safely and respect the environment. For safety and training info, see your dealer or call MSF at 800-446-9227.

Manufacturer's Suggested Retail Price (MSRP) shown. Does not include tax, title, prep or destination charges. Actual prices set by dealer. Specifications subject to change without notice. This overview contains many of Yamaha's valuable trademarks. It may also contain trademarks belonging to other companies. Any references to other companies or their products are for identification purposes only, and are not intended to be an endorsement. © 2020 Yamaha Motor Corporation, U.S.A. All rights reserved.

ENGINE
Engine Type 449cc liquid-cooled DOHC 4-stroke; 4 titanium valves
Bore x Stroke 97.0mm × 60.9mm
Compression Ratio 12.8
Fuel Delivery Mikuni® fuel injection, 44mm
Transmission 5-speed; multiplate wet clutch
Final Drive Chain
CHASSIS
Suspension / Front KYB® spring-type fork with speed sensitive damping; fully adjustable, 12.2-in travel
Suspension / Rear KYB® single shock; fully adjustable, 12.5-in travel
Brakes / Front Hydraulic disc, 270mm
Brakes / Rear Hydraulic disc, 245mm
Tires / Front 80/100-21 Dunlop® MX3S®
Tires / Rear 120/90-18 Dunlop® MX3S®
DIMENSIONS
L x W x H 85.6 in x 32.5 in x 50.0 in
Seat Height 37.6 in
Wheelbase 58.3 in
Rake (Caster Angle) 27.2°
Trail 4.6 in
Maximum Ground Clearance 12.6 in
Fuel Capacity 2.2 gal
Wet Weight 256 lb
OTHER
Warranty 30 Day (Limited Factory Warranty)
Customer Garage