Model Description

Rightfully wrong

Equipped with the most advanced engine and chassis technology ever developed for a Yamaha dirt bike, the WR450F means business.

Built for serious enduro racers as well as long distance rally riders and experienced recreational riders, the WR-F features new ECU mapping for improved throttle feel and smoother pick up – giving you outstanding performance together with a higher level of controllability.

Its compact, mass centralised chassis benefits from optimised suspension settings for outstanding handling and turning performance – and with its wide ratio 5-speed transmission, KYB® suspension and switchless electric start, the Yamaha WR450F gives you the power to perform.


Racing Blue


  • 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
  • Outstanding suspension performance
  • Mass centralised design for agile handling
  • Top mounted air filter and underseat fuel tank
  • 18-inch rear wheel, Metzeler 6 Days Extreme tyres
  • Enduro-spec radiators with lightweight cooling fan

Model Specification

  • Engine

    Engine Type

    liquid-cooled, Single cylinder, 4-stroke, DOHC, 4-valves



    Bore x Stroke

    97.0 mm x 60.8 mm

    Compression Ratio

    12.5 : 1

    Maximum Power

    Maximum Torque

    Starter System



    Constant Mesh, 5-speed

    Lubrication System

    Wet sump

  • Dimensions

    Oil Tank Capacity

    0.95 litres

    Fuel Tank Capacity

    7.5 litres

    Length (mm)

    2,165 mm

    Width (mm)

    825 mm

    Height (mm)

    1,280 mm

    Wheel Base (mm)

    1,465 mm

    Weight (kg)

    123 kg

    Ground Clearance (mm)

    325 mm

  • Frame

    Front Tyre

    90/90-21 54M

    Rear Tyre

    130/90-18 69S+M