yamaha 2021 YZ450F


With its low weight, outstanding power and precise handling, the YZ450F delivers the technology and performance needed to take you into the victorYZone. Making this bike the clear choice for every racer who wants to discover their true winning potential.

Tune in to victory.

The compact engine comes with a lightweight rearward slanted cylinder that maximizes the performance of the high compression head, forged piston and aggressive camshaft profiles. And using the Power Tuner app on your smartphone you can make instant trackside mapping adjustments and tune the engine power characteristics to gain a real advantage in all riding conditions.

Its lightweight aluminium bilateral frame has been designed to give an idealized balance of rigidity for precise handling and agile cornering – while the industry-leading coil spring-type forks and linkage rear suspension deliver exceptional balance.

At a glance

  •     Ultra-compact 450cc engine: power with control
  •     Light and compact rearward-slanted cylinder
  •     Yamaha Power Tuner app for instant track-side tuning
  •     Handlebar switch for easily adjustable mapping
  •     Compact electric starter with ultra-light battery
  •     Launch Control System for quicker, smoother starts
  •     Advanced fuel injection system for optimum power
  •     Angled radiators ensure effective engine cooling
  •     Robust transmission for positive shifting
  •     Compact mass-centralised wraparound exhaust
  •     Lightweight aluminium frame for agile handling
  •     Class-leading front and rear suspension systems


Engine Type

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

Displacement CC


Bore X Stroke

97.0 mm x 60.8 mm

Compression Ratio

13.0 : 1

Oil Capacity


Fuel Tank Capacity




Transmission Type

Constant Mesh, 5-speed

Dimensions LxWxH

2,185 mm x 825 mm x 1,285 mm


1,485 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, 270 mm

Brakes Type Rear

Hydraulic single disc, 240 mm