2025 Lightweight Enduro

The YZ125X is optimised for the unique demands of cross country racing. The powerful Yamaha Power Valve System (YPVS)-equipped 125cc two-stroke engine is mated to a six-speed transmission for the ultimate cross country powerplant.


The ultimate step-up to full-size off-road performance, YZ125X features include an 18-inch rear wheel, large rear sprocket, side stand, sealed O-ring chain, reserve fuel petcock, and a scraper between the fork’s dust and oil seal, all adding up to exceptional off-road performance.

  • Code

    YZ125X

  • Length

    2155

  • Width

    825

  • Seat_Height

    970

  • Wheelbase

    1455

  • Clearance

    355

  • Height

    1290

  • Weight

    96

  • Category

    33

  • Engine

    Liquid-cooled, 2-stroke, reed-valve

  • Displacement

    125.0

  • Bore

    54.0 × 54.5

  • Spec_Config

    Motorcycle

  • Compression

    7.8 – 10.2 : 1

  • Lubrication

    Premix

  • Fuel

    PWK38S

  • Ignition

    CDI

  • Starter

    Kick

  • Fuel_Tank

    7

  • Oil

    N/A

  • Final_Trans

    Chain

  • Transmission

    Constant mesh 6-speed

  • Frame

    Aluminium controlled filled semi double cradle

  • Suspension_Front

    Telescopic forks, 300mm travel

  • Suspension_Rear

    Swingarm (link suspension), 315mm travel

  • Brakes_Front

    Hydraulic single disc, 270mm

  • Brakes_Rear

    Hydraulic single disc, 240mm

  • Tyres_Front

    80/100-21 Dunlop Geomax MX33F

  • Tyres_Rear

    110/100-18 Dunlop Geomax MX33

  • Lpd_Switch

    1

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