Tune. Race. Win.

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.

Detalji

  • 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

Karakteristike

For instant mapping changes ‘on the move’ there’s a two-mode handlebar-mounted mapping switch that allows you to instantly adjust engine character with the push of a button – making it easy to fine tune the YZ250F using one of your pre-loaded maps to suit changing track or weather conditions while riding.

The compact and lightweight bilateral aluminium beam frame – combined with the bike’s unique mass centralised design – ensures that the YZ250F is one of the best handling bikes in its class. The frame’s rigidity is fine tuned to deliver immense strength with the best possible balance of bump absorption, stiffness and feeling of grip.

The liquid-cooled, DOHC 4-valve, 250cc fuel-injected reverse head engine features a forward-positioned straight inlet tract with symmetrical intake and exhaust ports. A high-compression piston delivers outstanding engine character with a focus on top-end power delivery, and the lightweight rearward-slanted cylinder contributes towards the YZ250F’s mass-centralisation.

Like the flagship YZ450F, the YZ250F features a Communication Control Unit (CCU) and onboard connectivity. Using the Power Tuner app you can wirelessly adjust fuel/air mix and ignition timing maps to tune engine performance for different track conditions – as well as record race log information and monitor a range of data such as maintenance, diagnosis, run time and more.

The YZ250F features a slim and compact fuel tank specifically designed to give high levels of rider mobility. In addition to underlining the YZ250F’s feelings of lightness, the narrow body design gives a secure and comfortable knee grip for improved controllability, and the long seat gives you plenty of room to move around the bike.

To match the high performance reverse head engine, the YZ250F is equipped with a durable clutch with a low spring load, giving a light feel at the clutch lever and excellent operational feel at half clutch. Featuring thick friction plates, this heavy-duty clutch ensures consistently strong performance with excellent controllability and long-life durability.

Mounted near the chassis centre to maintain a good weight balance, the YZ250F’s light and compact electric starter ensures instant restarts during races – and saves you time and effort. Powered by a high-capacity and ultra-lightweight four-cell lithium-ion battery, the system adds minimal weight.

Large diameter KYB® coil spring-type forks give optimised rigidity for improved feel – while their speed-sensitive damping mechanism provides exceptional balance for race-winning handling. The lightweight KYB® rear shock and link-type rear suspension with specially developed settings give controlled damping characteristics with excellent traction.

Large-capacity radiators are angled directly into the incoming air flow for improved cooling under the most demanding race conditions. Inside the engine the water pump is equipped with a durable aluminium impeller, ensuring that the YZ250F keeps its cool under the toughest racing conditions.

Boje

YZ250F

Every circuit is different – and the weather can change at any time. So you need to be able to tune your bike to suit all conditions. With the YZ250F’s unique Power Tuner app and adjustable mapping you can enjoy a real advantage in every race.

YZ250F
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    Tehnički Podaci

    Download Brošure
    • Motor
      Engine type
      liquid-cooled, 4-stroke, 4-valves, DOHC
      Displacement
      250cc
      Bore x stroke
      77.0 mm x 53.6 mm
      Compression ratio
      13.8 : 1
      Maximum power
      kW (PS) @ rpm
      Limited power version
      kW (PS) @ rpm
      Maximum torque
      Nm @ rpm
      Lubrication system
      Wet sump
      Clutch type
      Wet, Multiple Disc
      Ignition system
      TCI
      Starter system
      Electric
      Transmission system
      Constant Mesh, 5-speed
      Final transmission
      Chain
      Fuel consumption
      -
      CO2 emission
      -
      Fuel system
      Electronic Fuel Injection
    • Šasija
      Frame
      Aluminium
      Caster angle
      27º1
      Trail
      119mm
      Front suspension system
      Upside-down telescopic fork
      Rear suspension system
      Monoshock
      Front travel
      310 mm
      Rear travel
      315 mm
      Front brake
      Hydraulic single disc, Ø270 mm
      Rear brake
      Hydraulic single disc, Ø245 mm
      Front tyre
      80/100 - 21 51M
      Rear tyre
      100/90 - 19 57M
    • Dimenzije
      Overall length
      2175 mm
      Overall width
      825 mm
      Overall height
      1285 mm
      Seat height
      970 mm
      Wheel base
      1475 mm
      Minimum ground clearance
      335 mm
      Wet weight (including full oil and fuel tank)
      106 kg
      Fuel tank capacity
      6.2L
      Oil tank capacity
      0.95L

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