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YZ450FX 2019


The YZ450FX is all new for 2019 and runs all the latest frame, suspension, engine and electronics upgrades found on the YZ450F – including the Yamaha’s exclusive smartphone tuning. We’ve developed the FX specifically for off-road competition.So as well as enduro engine and suspension settings, the FX has an 18 in rear wheel, bashplate, sealed O-ring chain, fuel level warning indicator and an aluminium sidestand.

YZ450FX – when you want to push in the bush.

*Available with optional recreational rego kit.

*Images are shown for reference only, product specifications and data are subject to change without notice.

**NOTE** Promo starts 1st July 2019 till 30th September 2019.

$13,449.00 $14,199.00

Engine Type

  • Liquid-cooled, 4-stroke, DOHC, 4-valve
  • Displacement
  • 449 cc
  • Bore x Stroke
  • 97.0 x 60.8 mm
  • Compression Ratio
  • 12.8 : 1
  • Fuel Management
  • EFI
  • Ignition
  • TCI
  • Starter System
  • Electric
  • Fuel Tank Capacity
  • 7.5 L
  • Final Transmission
  • Chain
  • Transmission
  • 5-speed
  • Length
  • 2175 mm
  • Width
  • 825 mm
  • Height
  • 1280 mm
  • Seat Height
  • 955 mm
  • Wheelbase
  • 1480 mm
  • Ground Clearance
  • 320 mm
  • Wet Weight
  • 116 kg with 7.5 litres of fuel
  • Frame Type
  • Bilateral Beam
  • Suspension Front
  • Telescopic fork, 310mm travel
  • Suspension Rear
  • Swingarm,link suspension, 318mm travel
  • Brakes Front
  • Single disc, Ø 270mm
  • Brakes Rear
  • Single disc, Ø 245mm
  • Tyres Front
  • 80/100-21
  • Tyres Rear
  • 120/80-18


SKU: YZ450FX Categories: , ,
  • 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 off-road racing conditions.
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  • Yamaha’s bilateral beam aluminum frame features main spars, FX-specific engine mounts and an engine mounting position that centralises mass and provides an ideal balance between cornering feel and straight-line confidence.
  • 6c815047debdee91765b48e42b893ff7^^
  • 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.
  • 9f2165f922895e00518c23df7e8247f2^^
  • The YZ450FX features stylish bodywork from tip to tail, including a large 7.5 litre, mass-centralised fuel tank, the body design is narrow for more comfortable knee grip and control feeling, while the narrower and lower seat gives the rider additional room to move aboard the machine.
  • ccb93e0f0a7c3f9b75605973f9f8c162^^
  • 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.
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