Victory. Never given, always earned.

Its all-new 85cc liquid-cooled 2-stroke engine comes with a Yamaha Power Valve System (YPVS) that delivers a wider spread of explosive power giving genuine advantage over the competition.

And with fully adjustable forks, wave-type front and rear discs and adaptable ergonomics, the new YZ85 has the technology to launch riders all the way to the top.


  • Link-type Monocross rear suspension
  • 85cc liquid cooled 2-stroke engine with YPVS
  • Plastic resin reed valve and an expansion chamber
  • Compression ratio of 8.2-9.6:1
  • Close ratio 6-speed transmission
  • Light and efficient large core radiator
  • Fully adjustable 36-mm KYB® upside down front forks
  • Impact resistant fork guards
  • Wave discs and brake hoses
  • 4-position adjustable tapered aluminium handlebars
  • Aluminium swingarm for easy chain adjustment
  • Sharp styling and factory inspired graphics


The YZ85’s 220mm front and 190mm rear wave-type discs run cooler and give improved self-cleaning for strong stopping power. For balanced feel and precise control the YZ85 features brake hoses with a lower expansion rate, and the front hose’s routing simplifies maintenance.

Offering 27 mm of potential movement, the YZ85’s 4-position adjustable handlebars make it easy to set the bike up to suit growing riders. Manufactured from aluminium, the tapered handlebars and cast upper triple clamp contribute towards the YZ85’s low weight of 73 kg.

The high-performance intake and exhaust systems match the YPVS so that optimum potential can be achieved as soon as the gate drops. Plastic resin reed valves and an expansion chamber deliver controllable power with explosive acceleration – and a heart-stirring ripple – exactly when needed, to keep you way ahead of the competition.

Featuring specially machined one-piece tapered outer tubes that aligns them well with the rigidity balance of the frame, and with 36 mm inner tubes, the front forks provide optimised damping settings. Combined with the fully adjustable low friction cartridge forks, the YZ85 has the most sophisticated front fork design ever used on a youth YZ motocross bike. Fitted with fork guards, this high-tech front end is built to master even the most demanding terrain.

When you look good you feel good – and with its sharp bodywork and factory-bike inspired graphics, the YZ85 is one of the most dynamic looking youth motocross bikes. With its increased engine and chassis performance as well as adjustable ergonomics, this high-tech 85 is the ultimate kids’ race bike.

For easy chain adjustment and quick rear wheel removal, the YZ85 has a lightweight aluminium swingarm that features chain adjusters inspired by the design used on the YZ450F. And to minimise unsprung weight there’s also a tough composite chain guide.

Like the front forks, the Monocross rear suspension is directly descended from the advanced technology used on our factory race bikes. The long aluminium swingarm activates the progressive link-type Monocross suspension to give 282 mm rear wheel travel (LW model 287 mm) that can handle everything from washboard sections through to hard landings.

The 85cc liquid cooled engine features the Yamaha Power Valve System (YPVS) that boosts overall performance and contributes towards the bike’s easy to use torque. Running with a higher compression ratio – and equipped with a close ratio 6-speed transmission – the YZ85 delivers outstanding acceleration with race winning power.



The new high-tech YZ85 gives more power and control. Its all-new 85cc liquid cooled 2-stroke engine comes with the legendary Yamaha Power Valve System (YPVS) for harder hitting performance and increased torque.

360° quick view

    Tehnički Podaci

    Download Brošure
    • Motor
      Engine type
      Single cylinder, 2-stroke, liquid-cooled, reed valve
      Bore x stroke
      47.5 mm x 47.8 mm
      Compression ratio
      8.1 : 1
      Maximum power
      Maximum torque
      Lubrication system
      Clutch type
      Wet, multiple-disc coil spring
      Ignition system
      Starter system
      Transmission system
      Constant Mesh, 6-speed
      Final transmission
      Fuel system
      Keihin PWK28/1
    • Šasija
      Semi double cradle
      Caster angle
      Front suspension system
      Upside-down telescopic fork
      Rear suspension system
      Swingarm, (link suspension)
      Front travel
      275 mm
      Rear travel
      287 mm
      Front brake
      Single Disc, Ø220 mm
      Rear brake
      Single Disc, Ø190 mm
      Front tyre
      70/100-19 42M
      Rear tyre
      90/100-16 52M
    • Dimenzije
      Overall length
      1,903 mm
      Overall width
      758 mm
      Overall height
      1,156 mm
      Seat height
      904 mm
      Wheel base
      1,286 mm
      Minimum ground clearance
      393 mm
      Wet weight (including full oil and fuel tank)
      73 kg
      Fuel tank capacity
      Oil tank capacity

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