Description

2025 Yamaha YZ125 Specifications

ManufacturerYamaha
Model Year2025
ModelYZ125
Model CodeYZ125SL
Stock Number2025174
ColorTeam Yamaha Blue
BrakesFront: Hydraulic disc, 270 mm
Rear: Hydraulic disc, 240 mm
TiresFront: 80/100-21 Bridgestone Battlecross X20F
Rear: 100/90-19 Bridgestone Battlecross X20
Length84.1 in. (213.7 cm)
Height51.0 in. (129.5 cm)
Width32.5 in. (82.6 cm)
WeightWet: 209 lb. (94.8 kg)
Ground ClearanceMax. 14.4 in. (36.6 cm)
Wheelbase56.9 in. (144.5 cm)
Seat Height38.6 in. (98.0 cm)
TransmissionConstant-mesh 6-speed
Final DriveChain
Engine2-stroke; reed-valve inducted
CoolingLiquid
Displacement125 cc
Bore x Stroke54.0 mm x 54.5 mm
Compression Ratio8.2 ~ 10.1:1
ClutchMultiplate wet
CarburetionHitachi Astemo Keihin PWK38S
Fuel Capacity1.8 gal. (6.8 L)
Front SuspensionKYB Speed-Sensitive System inverted fork, fully adjustable, 11.8 in. (30.0 cm) travel
Rear SuspensionKYB single shock, fully adjustable, 12.4 in. (31.5 cm) travel
Rake26° caster angle
Trail4.3 in. (10.9 cm)
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