Kawasaki KX 450 2021

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The Kawasaki
KX 450 attacks the 2021 season with some modifications intended to refine
the machine. No deep upheavals but the same will to demand
which concentrated the racing engineers of Kawa. Something to satisfy
the requirements of intermediate to expert pilots that form the basis
pilots of the big KX.

In what
Concerning the engine, the most notable change is the adoption of a film
dry lubricant on the piston skirt which reduces friction between the piston
itself and the cylinder wall, for the benefit of performance.

Much appreciated
during its introduction, the hydraulic clutch of the KX 450 was improved
this season to reduce lever effort and widen the grip range,
which facilitates the dosage.

In the same
field, Kawasaki engineers revised both the friction material
as well as the size of the disks. The size of the discs goes from Ø 139 mm to Ø 146
mm, while a new friction material helps to increase the
wear resistance. When disengaging, the segments slightly offset (in
rotation) friction plates facilitate the separation of the discs and
reduce friction resistance.

Finally, in
terms of changes, a Renthal Fatbar handlebar is now standard on the
KX 450. With a tube diameter of 28.6 mm, the all-aluminum bar
helps reduce vibrations and shocks transmitted to the pilot, while
a position of the handles lower by 19 mm and closer by 8 mm,
makes it easier to carry weight on the front wheel.

For 2021, this
KX 450 shows itself to be the most successful of all time. No choice in one
segment where competition is the most tense.

What you must remember

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      9,400

      Price
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      Opinion





      on 5 opinion
      users
      Read the reviews

      Replaces

      KX 450 2020
      KX 450 2020


      Model marketed in

      2012
      2013
      2014
      2015
      2016
      2017
      2018
      2019
      2020
      2021

      The technical aspect

      Kawasaki KX 450 2021

      • Frame
      • Frame: perimeter aluminum
      • Tank: 6 liters
      • Seat height: 955 mm
      • Length: 2185 mm
      • Width: 820 mm
      • Height: 1265 mm
      • Wheelbase: 1,485 mm
      • Dry weight: 105 kg
      • Weight in running order: 110.2 kg
      • Train before
      • Telehydraulic inverted fork Ø 49 mm, deb: 305 mm
      • 1 disc Ø 270 mm, 2 piston caliper
      • Front wheel:

        80/100
        – 21

      Kawasaki KX 450 2021 technical

      • Transmission
      • 5-speed gearbox
      • Secondary chain transmission
      • Rear axle
      • Mono-shock absorber, deb: 307 mm
      • 1 disc Ø 250mm, 1 piston caliper
      • Rear wheel:

        120/80
        – 19

      • Motor
      • Single cylinder
        in line
        , 4 stroke
      • Cooling: by water
      • Injection Ø 44 mm
      • 2 ACT
      • 4 valves
      • 449 cc
        (96 x 62.1 mm)
      • ≈ 63
        ch
      • Weight ratio /
        power
        : 1.67
        kg / hp
      • Compression: 12.5: 1
      • Crit’air:

      Detached pieces

      exhaust
      motor
      fluid
      electricity

      filtration
      braking
      chain kit

      Competitors

      Kawasaki KX 450 2021

      Kawasaki KX 450 2021

      Kawasaki KX 450 2021

      Kawasaki KX 450 2021

      Kawasaki KX 450 2021

      Kawasaki KX 450 2021

      Kawasaki KX 450 2021

      Kawasaki KX 450 2021

      Kawasaki KX 450 2021

      Kawasaki KX 450 2021

      Kawasaki KX 450 2021

      Kawasaki KX 450 2021

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