2021 Yamaha YZ450F
Off-Road / Dirt Bike Motorcycle for sale by MotoMember in Purcellville, Virginia 20132
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Featuring a new, more powerful engine, an updated frame, and the smartphone Power Tuner app to dial-in the bikes settings to fit your style and conditions.
YZ450F™-Based GNCC® and Hare Scrambles Focused Racer: The YZ450FX™ is developed from Yamahas 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: Yamahas free of charge and industry-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. Map 1 provides more responsive, quicker revving engine characteristics while Map 2 provides smoother response, slower revving characteristics for when traction is limited.
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 isnt 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.
Rearward-Slanted Cylinder Design: The YZ450FXs distinct rearward-slanted cylinder design—complete with rear exhaust and forward-mounted intake system—features a cylinder head that works with the frame geometry for optimized weight distribution. Inside, the engine features a straight intake tract, aggressive cam profiles, a high-compression “box bridge piston design with DLC-coated piston pin and more. Finally, the YZ450FX features specific ECU settings to suit the needs of cross country riders.
Electric Starter System: The YZ450FX features a compact electric starter system to minimize restart delays on track and add convenience everywhere else. Powered by a high-capacity and ultra-lightweight four-cell lithium-ion battery, the system adds minimal weight.
Yamaha Power Tuner App: The free of charge and industry-exclusive Yamaha Power Tuner app brings the power of the GYTR Power Tuner to your iOS® or Android® device. Using wireless connectivity to talk to the bikes onboard CAN-bus network, the app allows owners to adjust air/fuel mixture and ignition timing maps to tune engine performance for track conditions, record race log information and monitor a range of data such as maintenance and system diagnosis, engine run time and more.
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.
Advanced Fuel Injection: The engine breathes through a 44mm Mikuni® throttle body fed by a high pressure electric pump to ensure optimum fuel atomization and power for a wide range of riding conditions.
Robust Transmission and Clutch: The YZF450FXs wide-ratio 5-speed transmission enhances cross country performance for more flexible gearing selection in open terrain.
Aluminum Frame: The upper frame bracing provides rigidity and durability while rear frame spars and cross country-tuned engine mounts centralize mass for the best possible balance of bump absorption, stiffness and rider feeling.
Compact Body and Seat Design: The YZ450FX features stylish bodywork from tip to tail, inclu
SubcategoryOff-Road / Dirt Bike
EngineDOHC 4-stroke; 4 titanium valves
Transmission5-speed; multiplate wet clutch
Exterior ColorTeam Yamaha Blue
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