2019 Yamaha YZ450FX


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Stock #: 5767859
2019 Yamaha YZ450FX



For 2019, the reworked YZ450FX adopts all of the latest upgrades found on the YZ450F motocrosser, including the advanced frame, suspension, engine and electronics-including Yamaha's exclusive Power Tuner smartphone app-with changes designed specifically for the needs of cross-country/woods competitors.


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 Wi-Fi system for the ultimate in track-side tuning.


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 XC racing conditions.


The YZ450FX features a bilateral-beam aluminum frame focused on rigidity, durability and bump absorption, while class-leading KYB suspension with speed-sensitive damping provides exceptional handling, cornering feel and straight-line confidence.

Features may include:


Reversed, liquid-cooled, 449 cc, DOHC, 4-valve (titanium), fuel injected, single-cylinder engine.

Electric starting.

  • super convenient electric starting means faster re-starts and significantly reduced rider fatigue
  • compact electric starter powered by a lightweight lithium ion battery
  • Kick starter removed

"Reversed" engine design (FI system is front mounted, exhaust exits from rear of cylinder).

  • FI throttle body and air box are front-mounted, providing a straight intake path
  • straight shot intake path provides optimum fuel / air / exhaust flow for excellent power
  • front-mounted intake keeps fuel cooler since engine heat has less effect on incoming fuel (cooler fuel is more dense and increases power)


front-mounted intake keeps fuel cooler since engine heat has less effect on incoming fuel (cooler fuel is more dense and increases power)

  • centralizes mass for exceptional handling and manoeuvrability
  • frame offers an optimum balance between strength, rigidity and tuned flex, plus excellent shock-absorbing and traction qualities

Lightweight, tapered aluminum swingarm.

  • lightweight design reduces unsprung weight for optimum suspension performance
  • excellent rear wheel traction and control

Lightweight detachable rear sub frame.

  • constructed of square-section, lightweight aluminum pipe with no bends
  • allows easy access when servicing rear suspension components
  • reduces cost in the event of a loop-out


  • Lower engine guard redesigned for improved protection
  • Chain dimension reduced for weight reduction
  • Lighweight aluminum kick stand modified for weight reduction
  • Heavy duty plastic engine skid plate
  • Convenient oil level sight glass
  • Lightweight, extra wide foot pegs


Contact Seller
Address:6381 HWY 97 N
Vernon, British Columbia
V1B 3R4 Canada
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Make Yamaha
Model YZ450FX
Post Date:Oct 8, 2019
Exp. Date:Nov 7, 2019
Listing Type:Business
Ad Number:3564222
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