Trail and enduroModel year 2027Global version
Yamaha YZ125X

Yamaha YZ125X

Trail and enduro · 125 cc

Manufacturer suggested retail price7,299 USDYamaha United States · 2026-09-19
Variant
YZ125X

Specifications

Engine6 items

Engine configuration
125cc liquid-cooled 2-stroke; reed-valve inducted
Bore × stroke
54.0 mm × 54.5 mm
Compression ratio
7.8~10.2:1
Fuel system
Hitachi Astemo® Keihin PWK38S
Engine displacement
125ccSource wording: 125cc liquid-cooled 2-stroke; reed-valve inducted
Cooling system
Liquid-cooledSource wording: 125cc liquid-cooled 2-stroke; reed-valve inducted

Fuel and transmission3 items

Transmission
6-speed; multiplate wet clutch
Final drive
Chain
Fuel tank capacity
6.81LSource wording: 1.8 gal

Chassis, brakes and suspension8 items

Front suspension
KYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
Rear suspension
KYB® single shock; fully adjustable, 12.4-in travel
Front brake
Hydraulic disc, 270mm
Rear brake
Hydraulic disc, 240mm
Front tyre
80/100-21 Dunlop® Geomax MX33F
Rear tyre
110/100-18 Dunlop® Geomax MX33
Steering angle
26.4°
Trail
111.76mmSource wording: 4.4 in

Dimensions and weight5 items

Declared dimensions
84.8 in x 32.5 in x 50.8 in
Seat height
970.28mmSource wording: 38.2 in
Wheelbase
1455.42mmSource wording: 57.3 in
Ground clearance
355.6mmSource wording: 14.0 in
Ready-to-ride weight
96.16kgSource wording: 212 lb

Sources

Specifications can vary by model year, country and variant.

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