2026 Yamaha YZ125X Base

2026 Yamaha YZ125X Base

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  • Year 2026
  • Make Yamaha
  • Model YZ125X
2026 Yamaha YZ125X Base

2026 Yamaha YZ125X Base

2026 Yamaha YZ125X

The YZ125X sets the standard for light, fast two-stroke fun! The perfect entry into the world of XC and enduro competition, this two-stroke trailblazer combines thrilling performance and ultimate reliability for all your wins.

Features may include:

Powerful New 125cc Two-Stroke Engine
  • A completely redesigned liquid-cooled 125cc two-stroke engine boasts improved usability and increased mid- and top-end power over the 2022 model for a thrilling new level of performance.
Improved Fueling
  • New high-precision Hitachi Astemo® Keihin PWK38S carburetor features a power jet, throttle position sensor and 3D-map-controlled CDI unit for precise ignition timing. The result is clean, crisp throttle response, superior rideability and excellent over-rev character.
Ceramic composite cylinder bore is a linerless design with the ceramic coating sprayed directly on the aluminum block.
  • reduced weight (no heavy iron liner)
  • reduced friction
  • extended cylinder life
  • excellent heat dissipation for consistent power delivery
Lightweight, aluminum, semi-double-cradle frame.
  • combines with compact engine to provide an awesome power to weight ratio
  • obvious benefit of an aluminum frame is a significant weight reduction
  • Yamaha maintains semi-double cradle design because it offers an excellent rigidity balance between lateral and torsional rigidity while offering controlled flex in the longitudinal plane
Removable rear subframe.
  • constructed of square-section, lightweight aluminum
  • detachable design allows easy access when servicing rear suspension components

Engine

Engine Type 2-stroke, reed-valve, single
Cooling System Liquid-cooled
Bore 54.0 mm
Stroke 54.5 mm
Compression Ratio 7.8~10.2:1
Fuel System Hitachi Astemo® Keihin PWK38S
Ignition CDI
Starter Kick

Drivetrain

Transmission Constant mesh, 6-speed
Final Drive Chain

Suspension

Front Suspension Fully adjustable 48 mm KYB inverted fork
Rear Suspension Fully adjustable KYB link Monocross

Brakes

Front braking system 270 mm floating disc / twin piston caliper
Rear braking system 240 mm disc / single piston caliper

Wheels & Tires

Front Tire 80/100-21
Rear Tire 110/100-18
Front Wheel Travel 300 mm (11.8")
Rear Wheel Travel 315 mm (12.4")

Dimensions

Length 2,154 mm (84.8")
Width 825 mm (32.5")
Height 1,290 mm (50.8")
Wheelbase 1,455 mm (57.3")
Ground Clearance 356 mm (14")
Seat Height 970 mm (38.2")

Capacities

Fuel Capacity 8 litres (1.8 imp. gallons)

Weights

Weight Wet: 96 kg (212 lb)

Color

Colors Team Yamaha Blue

Product Photography