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Specifications & description


  • Engine type: 449cc liquid-cooled single-cylinder four-stroke
  • Bore and stroke: 96mm x 62.1mm
  • Compression ratio: 13.5:1
  • Valve train: Unicam® four-valve; 38mm intake, titanium; 31mm exhaust, steel
  • Induction: Programmed Fuel Injection (PGM-FI), 46mm downdraft throttle body
  • Ignition: DC-CDI

Drive train

  • Transmission: Close-ratio five-speed
  • Final drive: #520 Chain; 13T/50T

Chassis suspension brakes

  • Front suspension: 49mm leading-axle inverted telescopic Showa coil-spring fork with rebound and compression damping adjustability
  • Rear suspension: Pro-Link Showa single shock with adjustable spring preload, rebound and compression damping adjustability
  • Front brake: Single 260mm disc with twin-piston caliper
  • Rear brake: Single 240mm disc
  • Front tire: Dunlop Geomax AT81 90/90-21
  • Rear tire: Dunlop Geomax AT81 120/90-18


  • Wheelbase: 58.2 inches
  • Rake (caster angle): 27° 25'
  • Trail: 4.6 inches
  • Seat height: 37.8 inches
  • Ground clearance: 12.9 inches
  • Fuel capacity: 2.25 gallons
  • Curb weight: 255 pounds (includes all standard equipment, required fluids and full tank of fuel—ready to ride.)


  • Available colors: Red
  • Model ID: CRF450RX

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