2025 Yamaha YZ250X Base

2025 Yamaha YZ250X Base

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  • Year 2025
  • Make Yamaha
  • Model YZ250X
2025 Yamaha YZ250X Base

2025 Yamaha YZ250X Base

2025 Yamaha YZ250X

Engineered with all the reliability and durability you've come to expect from Yamaha, this two-stroke was born to win Cross Country races. Featuring a robust 250cc engine, optimized rider ergonomics, and a long list of XC details that solidifies its position as the king of woods!

Features may include:

  • TWO-STROKE POWER FOR ENDURO RACING

The YZ250X is optimized for the unique demands of Hare Scrambles and GNCC® racing. The Yamaha Power Valve System (YPVS™)-equipped 249cc two-stroke engine is mated to a wide-ratio five-speed transmission for the ultimate cross country power plant.

  • CROSS COUNTRY SPECIFIC FEATURES

Cross country focused suspension setup and Dunlop® Geomax MX33 tires, 18-inch rear wheel, wide ratio transmission, narrow expansion chamber, sealed O-ring chain, standard side stand and fuel tank petcock with reserve position all combine to make the perfect XC racer.

  • OPTIMIZED RIDER ERGONOMICS

To increase rider confidence in challenging cross country conditions, smoothly integrated body panels, narrow fuel tank design, slim shroud width and flatter seat all combine to enable greater freedom of movement forward and back, allowing the rider to easily shift body weight for better control.

  • Optimized rider ergonomics to improve mobility in challenging cross-country conditions
  • Optimized intake design allows for a straight, more efficient draw of air into the intake tract.
  • High performance braking system features large front pistons, rigid caliper and a 270mm front rotor
  • "Re-tuned" engine vs YZ250 (Ignition, timing, & YPVS)
  • Wider ratio transmission gears Vs. YZ250 (3rd gear & higher)
  • Heavy duty clutch

Engine

Engine Type 2-stroke, reed-valve, single
Displacement 249 cc
Cooling System Liquid-cooled
Bore 66.4 mm
Stroke 72 mm
Compression Ratio 7.9 ~ 9.4:1
Fuel System Keihin PWK38S
Ignition CDI
Starter Kick

Drivetrain

Transmission Constant mesh, 5-speed
Final Drive Chain

Suspension

Front Suspension Fully adjustable 48 mm inverted fork
Rear Suspension Fully adjustable 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 2,185 mm (86")
Width 825 mm (32.5")
Height 1,290 mm (50.8")
Wheelbase 1,485 mm (58.5")
Ground Clearance 360 mm (14.2")
Seat Height 975 mm (38.4")

Capacities

Fuel Capacity 8 litres (1.8 imp. gallons)

Weights

Weight Wet: 104 kg (229 lbs)

Color

Colors Yamaha Racing Blue

Product Photography