YZ450F

This is the motocross Yamaha you’ve been waiting for. Lighter, faster and more powerful, the new YZ450F is a new type of machine that has been developed with you, the rider, in mind. And every piece of technology you see here is designed to bring out your best performance on the track.

Take a look

  • Lighter, slimmer and more powerful motor
  • Reduced weight and increased durability
  • Increased air intake capacity
  • New disc spring clutch
  • New design change
  • Redesigned aluminum double beam chassis
  • Seamless ergonomic bodywork
  • Updated KYB suspensions
  • Adjustable traction control system
  • Improved output control system
  • Widely reviewed Power Tuner app
  • Revised steering triangle

Lighter, narrower, more precise, faster.

The new engine is a perfect example of how Yamaha technology can make you a better rider. Its strong, linear power gives you the absolute control needed to achieve faster lap times. And the refined Power Tuner app lets you make quick on-track adjustments to engine character and traction control settings to suit conditions.

A new, lightweight aluminum chassis and updated KYB suspension deliver the cornering precision and straight-line stability you need to stay ahead, and the compact new bodywork with completely flowing lines, combined with revised ergonomics, deliver maximum freedom of movement for the pilot so that he has maximum control when accelerating, braking and cornering.

Technical specifications

Engine type: 4-stroke, Liquid-cooled, DOHC, 4-valve, Single cylinder


Displacement: 450cc


Bore x Stroke: 97.0×60.8mm


Compression ratio: 13.0:1


Lubrication system: Dry sump


Clutch type: Wet, Multi-disc


Ignition system: TCI


Starting system: Electric


Drive system: Constant take, 5-speed


Final Drive: Chain


Carburetor: Fuel injection

Chassis: Two-sided Aluminum Beam


Pivot lead angle: 26°55


Pivot advance: 120mm


Front suspension system: Upside down telescopic fork


Rear suspension system: Swing arm, link type suspension


Front Travel: 310mm


Rear travel: 315mm


Front brake: Hydraulic Single Disc, Ø270mm


Rear brake: Hydraulic Single Disc, Ø240mm


Front tire: 80/100-21 51M Tube type


Rear tire: 120/80-19 63M Tube type

Total length: 2180mm


Total width: 825mm


Total height: 1275mm


Seat height: 965mm


Distance between axis: 1480mm


Minimum ground clearance: 350mm


Weight (including full oil tank and fuel tank): 109kg


Fuel tank capacity: 6.2L


Oil tank capacity: 1.2L