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Professional rider on a closed course.

Professional rider on a closed course.

KX450

THE BIKE THAT BUILDS CHAMPIONS

With more Supercross and Motocross championships than any other manufacturer, the KX name is synonymous with winning. The KX450 motorcycle represents the flagship of the KX lineup, built with the sole purpose of dominating the track. Over the past four decades, we've learned what it takes to win and stay on top. Our dedication to building the ultimate machine is undeniable, and the KX450 represents this to the fullest.

FEATURING
  • POWERFUL 449cc ENGINE
  • ELECTRIC START
  • SHOWA A-KIT TECHNOLOGY SUSPENSION
KX™450
KX™450
2021
KX450
ADDITIONAL VEHICLE FEATURES:
  • Electric start
  • Strong, lightweight chassis
  • ERGO-FIT® adjustability
  • DFI® couplers
  • Industry-leading slim aluminum perimeter frame
  • Showa A-KIT technology suspension
  • Uni-Trak® linkage system
2021 KX™450
ADDITIONAL VEHICLE FEATURES:
  • Electric start
  • Strong, lightweight chassis
  • ERGO-FIT® adjustability
  • DFI® couplers
  • Industry-leading slim aluminum perimeter frame
  • Showa A-KIT technology suspension
  • Uni-Trak® linkage system
KX™450
2020
KX450
ADDITIONAL VEHICLE FEATURES:
  • Hydraulic clutch
  • Electric start
  • ERGO-FIT® technology
  • Lightweight frame and swingarm
  • Launch Control Mode
2020 KX™450
ADDITIONAL VEHICLE FEATURES:
  • Hydraulic clutch
  • Electric start
  • ERGO-FIT® technology
  • Lightweight frame and swingarm
  • Launch Control Mode
  •  POWER & PERFORMANCE
  • POWER & PERFORMANCE
    Built to Win

    The 2021 KX™450 engine offers increased performance and delivers broad, useable torque and strong, responsive power across the rev range. From the starting gate to the finish line, this race-ready machine is built to stay ahead of the pack.

  • RACE-READY SUSPENSION
  • RACE-READY SUSPENSION
    Leave Them in the Dust

    Take the lead with proven race-winning performance. The highly adjustable suspension package delivers smooth action, firm damping and contributes to optimal traction.

  • NEXT-LEVEL TECHNOLOGY
  • NEXT-LEVEL TECHNOLOGY
    Ride With Confidence

    From quick, reliable starting to advanced braking power, the KX™450 motorcycle offers superior features designed to inspire confidence. What's more, this race-ready machine is backed by decades of championship-proven experience.

  • CHASSIS & ERGONOMICS
  • CHASSIS & ERGONOMICS
    Made To Shave Lap Times

    Experience the race-winning advantage of a strong and lightweight chassis, agile handling, and exclusive ERGO-FIT® technology.