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2023 Big Bore MX Weapon

The reigning US Motocross and Supercross champ now raises the bar even higher. Building on its best-in-class power delivery and suspension performance, the all-new 2023 YZ450F boasts even more power, better handling, less weight, a new more narrow body with improved ergonomics and next-generation Power Tuner app — all while maintaining its renowned ease-of-use that makes fast riders even faster.


Our engineers have taken that winning package and made it lighter, more compact and boosted power across the entire rev range with and all-new 450cc engine. To further cement the YZ450F’s position at the top of the tree, new styling is specified with a slim shroud, shorter front mudguard, extended front fork protectors and new flexible riding position.

  • Code

    YZ450F

  • Length

    2180

  • Width

    825

  • Seat_Height

    965

  • Wheelbase

    1480

  • Clearance

    350

  • Height

    1285

  • Weight

    109

  • Engine

    Liquid-cooled 4-stroke, DOHC, 4-valve

  • Displacement

    450.0

  • Bore

    97.0 × 60.8

  • Spec_Config

    Motorcycle

  • Compression

    13.0 : 1

  • Lubrication

    Dry sump

  • Fuel

    Fuel Injection

  • Ignition

    TCI

  • Starter

    Electric

  • Fuel_Tank

    6.2

  • Final_Trans

    Chain

  • Transmission

    Constant mesh, 5-speed

  • Frame

    Bilateral Beam

  • Suspension_Front

    Telescopic forks, 310mm travel

  • Suspension_Rear

    Swingarm (link suspension), 315mm travel

  • Brakes_Front

    Hydraulic single disc, 270mm

  • Brakes_Rear

    Hydraulic single disc, 240mm

  • Tyres_Front

    80/100-21 Dunlop Geomax MX33F

  • Tyres_Rear

    120/80-19 Dunlop Geomax MX33

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