Model Description

Tune. Race. Win.

Equipped with unique performance-boosting technology, the electric start YZ250F is the most powerful and most technologically advanced 250cc 4-stroke motocross bike ever manufactured by Yamaha.

The innovative reverse-head engine pushes out high levels of controllable performance to keep you out front from the start gate to the chequered flag – and the exclusive Power Tuner app lets you carry out wireless trackside tuning so that you can choose the exact power profile for optimum race results at every track.

The compact chassis and mass centralised layout gives outstanding agility – and the industry-leading coil spring front forks and link-type rear end deliver winning performance with class-leading feel. Tune. Race. Win.


Racing Blue


  • Reverse-head DOHC 250cc liquid cooled 4-stroke
  • High-efficiency long and straight inlet tract
  • Mass centralised design for lightweight handling
  • Power Tuner smartphone app for trackside tuning
  • ‘On the fly’ 2-position engine mapping switch
  • Lightweight electric starter with lithium-ion battery
  • Slim and compact bodywork and seat
  • Light and strong bilateral aluminium beam frame
  • Class-leading coil spring-type front forks
  • Light rear shock with excellent damping performance
  • Heavy-duty clutch with lightweight feel at lever
  • High-efficiency angled radiator design

Model Specification

  • Engine

    Engine Type

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



    Bore x Stroke

    77.0 mm x 53.6 mm

    Compression Ratio

    13.8 : 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

    6.2 litres

    Length (mm)

    2,175 mm

    Width (mm)

    825 mm

    Height (mm)

    1,285 mm

    Wheel Base (mm)

    1,475 mm

    Weight (kg)

    106 kg

    Ground Clearance (mm)

    335 mm

  • Frame

    Front Tyre

    80/100-21 51M

    Rear Tyre

    100/90-19 57M