2026 Yamaha YZ125X Base
Exterior Colors:
- Year 2026
- Make Yamaha
- Model YZ125X
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.
- 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.
- reduced weight (no heavy iron liner)
- reduced friction
- extended cylinder life
- excellent heat dissipation for consistent power delivery
- 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
- 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
						
					 
					 
				