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2025 MC 125

125 two-stroke motocross GasGas. Same recipe as the 125 SX, red and usually a little cheaper.

Motocross2-strokeIntermediate

Specs

US-catalog figures for setup math — not a window sticker. Weigh your bike and read the OEM sheet or owner’s manual before you order springs or sprockets. Source.

Model year
2025
Class
Motocross
Engine
124 cc 2-stroke
Claimed power
38 hp
Wet weight
207 lb
Seat height
37.6 in
Fuel
1.5 gal
Front tire
80/100-21
Rear tire
110/90-19
Sprockets
13/48
Gears
5-speed
Cooling
Liquid
Rider level
Intermediate
Typical MSRP
$7,999

Run the numbers

Open a calculator with this bike in mind. Punch in the spec from the table.

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