yamaha YZ450F


Forward thinking

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

Equipped with optimised valve timing and 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 suspension settings and chassis design give increased traction and feel.

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


  • Powerful, compact and controllable 450cc 4-stroke
  • Potent fuel injected engine with linear torque
  • Reverse cylinder head with front facing intake
  • Aluminium beam frame with optimised rigidity
  • Wide ratio 5-speed transmission with enduro clutch
  • Main switch-free electric starter and auto-decompressor
  • Convenient plug in Power Tuner for easy tuning
  • Mass centralised design for agile handling
  • Top mounted air filter and underseat fuel tank
  • High-specification suspension systems
  • 18-inch rear wheel and Metzeler 6 Days FIM tyres
  • Enduro-spec radiators with lightweight cooling fan

Engine Type

liquid-cooled, 4-stroke, DOHC, 4-valves, rear ward slanting single cylinder

Displacement CC


Bore X Stroke

97 mm x 60.8 mm

Compression Ratio

12.5 :1

Oil Capacity

0.95 L

Fuel Tank Capacity

7.5 L



Transmission Type

Constant Mesh, 5-speed

Dimensions LxWxH

2180 mm x 825 mm x 1280 mm



Seat Height

965 mm

Ground Clearance

330 mm

Kerb Weight

112 kg

Tyre Size Front

80/100-21 51M

Tyre Size Rear

110/90-19 62M

Brakes Type Front

Hydraulic single disc, Ø 270 mm

Brakes Type Rear

Hydraulic single disc, Ø 245 mm