Tm Racing Mx 125 2T - 2026 Specifications and Reviews

The TM Racing MX 125 2T is a lightweight two-stroke motocross bike designed for junior and amateur riders seeking competitive performance. Its liquid-cooled, reed-valve engine delivers responsive power across the rev range, while the six-speed gearbox and hydraulic clutch provide smooth control on technical terrain. Known for its agility and reliability, it excels in amateur racing and training environments.

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General information

Color OptionsBlue/grey
CategoryCross / motocross
Year2025
 
 

Engine and Transmission Specifications

StartingElectric
ClutchMultiple-disk in oil bath with hydraulic control
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
IgnitioneMoticom ECU
InductionCarburettor. Keihin PWK 38
Bore x Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Engine DetailsV-Force Reed valve
Engine TypeSingle cylinder, two-stroke
Capacity:124.8 ccm (7.62 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity9.00 litres (2.38 US gallons)
Ground Clearance360 mm (14.2 inches)
Seat Height990 mm (39.0 inches) If adjustable, lowest setting.
Dry Weight90.0 kg (198.4 pounds)

Tm Racing Mx 125 2T dimensions and frame

Rear BrakesSingle disc. Nissin
Brake Disc Diameter240 mm (9.4 inches)
Front BrakesSingle disc. Brembo
Rear Tyre100/90-19
Front Tyre80/100-21
Rear Wheel Travel300 mm (11.8 inches)
Rear SuspensionTM Racing monoshock
Front Wheel Travel310 mm (12.2 inches)
Front SuspensionKayaba fork, 48mm
FrameSelf-tempering aluminium deltabox type single beam with extruded, forged and microcast parts

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specsReport missing specs or required updates.
CommentsItalian brand.
DrivelineRegina GPX chain
Lubrication system3,5% oil mix
Motorcycle nameTM Racing MX 125 2T

Performance Profile & Rider Fit

Best For

Track85%
City10%
Cornering90%
Daily Riding8%
Touring12%
Passenger5%

Rider Profile

Best ForThis is a pure competition motocross machine best suited to intermediate and expert off-road riders, not beginners.
PurposeBuilt specifically for motocross racing and off-road competition, not for street use or commuting.
Rider FitThe low 90kg dry weight and tall 990mm seat height demand an active, fit rider comfortable standing and shifting body weight aggressively.
CharacterA lightweight, high-strung two-stroke that rewards aggressive throttle input and precise clutch control with explosive acceleration and razor-sharp handling.
Not Ideal ForThis is not suitable for riders seeking a comfortable, road-legal, or passenger-friendly motorcycle for daily or touring use.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2026 Tm Racing Mx 125 2T Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 990mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2026 Tm Racing Mx 125 2T, with a moderate knee angle of around 90 degrees and an upright riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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