Forward thinking

  • Make :Yamaha
  • Model :YZ450F
  • Displayment :449,7cc
  • Fuel Tank :6,2 litres
  • Oil Capacity :1,2 litres


Forward thinking

With its innovative reverse cylinder head as well as an ultra-compact chassis and sophisticated suspension, the latest YZ450F is ready to push your racing career to the next level.

Equipped with optimized valve timing and new camshafts, this MXGP-developed racer delivers a smooth and easy engine character that enables you to fully unleash its awesome power. A larger diameter 270mm front disc allows you to brake harder and later - while the new suspension settings and a refined chassis design give increased traction and feel.

Featuring the latest electronic launch control system for faster starting, the YZ450F is built to win. And take you one step closer to total control.


  • NEW - Electronic launch control system (LCS)
  • NEW - Refined engine smooth and controllable power
  • NEW - Refined chassis and suspension settings
  • NEW - Refined clutch and smoother shifting
  • NEW - Large diameter 270mm front brake
  • 450cc liquid-cooled DOHC 4-valve engine
  • Reverse cylinder head with front-facing inlet
  • Mass centralized design for agile handling
  • Aluminum bilateral-beam frame
  • Air-Oil-Separate (AOS) upside-down front forks
  • Linked-type Monocross suspension
  • MXGP-developed design


Technical Specifications


  • Engine Type :liquid-cooled, 4-stroke, DOHC, 4-valve, rear ward slanting single cylinder
  • Displacement :449,7cc
  • Compression Ratio :12,5 : 1
  • Bore x Stroke :97,0 mm x 60,8 mm
  • Ignition System :Full Transistor
  • Starter System :Kick
  • Transmission System :Constant Mesh, 5-speed
  • Final Transmission :Chain
  • Lubrication :Dry sump
  • Fuel Tank Capacity :6,2 litres
  • Oil Capacity :1,2 litres


  • Front Suspension System :Telescopic forks
  • Rear Suspension System :Swingarm, (link suspension)
  • Front Brake :Hydraulic single disc, Ø 250 mm
  • Rear Brake :Hydraulic single disc, Ø 245 mm
  • Front Tyre :80/100-21-51M
  • Rear Tyre :110/90-19 62M


  • Length x Width x Height (mm) :2.191 x 825 x 1.311 mm
  • Seat Height (mm) :999 mm
  • Wheel Base (mm) :1.487 mm
  • Minimum Ground Clearance (mm) :383 mm