2026 Yamaha YZ250X Base

2026 Yamaha YZ250X Base

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  • Year 2026
  • Make Yamaha
  • Model YZ250X
2026 Yamaha YZ250X Base

2026 Yamaha YZ250X Base

2026 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:

Lightweight, compact, liquid-cooled, 249cc, piston-reed-valve-inducted, 2-stroke.

super crisp, instant "right now" engine power (when in the "power band")

easy & economical to maintain, service & rebuild

Key engine differences Vs YZ250.

revised cylinder head volume Vs. YZ250 (slight increase in volume Vs. YZ250)

7.9:1 compression ratio (slightly less than YZ250)

revised YPVS power valve (actuation rpm & shape)

revised exhaust port (main) size & timing

Lightweight, aluminum, semi-double-cradle frame.

combines with compact engine to provide an awesome power to weight ratio

Removable rear subframe.

constructed of square-section, lightweight aluminum

detachable design allows easy access when servicing rear suspension components

reduces costs in the event of a loop out

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

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