TM Racing MX 125 - 2019 Specifications and Reviews

The 2019 TM Racing MX 125 is an Italian-made motocross bike designed for intermediate and amateur racers seeking competitive performance. Known for its lightweight aluminum perimetral frame and responsive Kayaba front suspension, it delivers sharp handling and agility in varied terrain. The kick-start 125cc engine and hydraulic clutch provide accessible power delivery suitable for developing riders progressing through competitive racing ranks.

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General information

CategoryCross / motocross
Year2019
ModelTM Racing MX 125
 
 

Engine and Transmission Specifications

DrivelineStraight – tooth gear
ClutchMultiple-disk in oil bath with hydraulic control
Transmission typeChain   (final drive)
Gearbox5-speed
Cooling systemLiquid
Lubrication system3,5% oil mix
IgnitionKokusan CDI Electronic with variable advance with two selectable maps through handlebar switch
Fuel systemCarburettor. 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:123.5 ccm (7.54 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. Wave disc.
Diameter270 mm (10.6 inches)
Front brakesSingle disc. Wave disc.
Rear tire100/90-19
Front tire80/100-21
Rear SuspensionTM Racing
Front SuspensionKayaba
Frame typePerimetral aluminium section
 
 

Physical measures and capacities

Fuel capacity9.50 litres (2.51 US gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsItalian made bike.
StarterKick
Color optionsBlue/white

Performance Profile & Rider Fit

Best For

Track90%
City5%
Cornering80%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a purebred competition motocross machine best suited to experienced off-road riders who already know how to manage a peaky two-stroke power delivery.
PurposeBuilt exclusively for motocross racing and rough terrain riding rather than any form of road use.
Rider FitIts light, slim, kick-start-only chassis demands good physical fitness and confidence standing on the pegs for extended moto sessions.
CharacterA sharp, aggressive, race-focused two-stroke with premium Italian components that rewards aggressive, skilled inputs.
Not Ideal ForThis is not the right bike for commuting, touring, carrying a passenger, or anyone seeking a comfortable, road-legal, beginner-friendly ride.

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

Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2019 TM Racing MX 125 motorcycle is an impressive and powerful off-road machine. With a 125cc 2-stroke engine, this bike offers plenty of torque and acceleration for tackling tough trails and competing in motocross races. The lightweight frame and responsive handling make it easy to maneuver through tight corners and over rough terrain. The quality construction and attention to detail that TM Racing is known for ensure that this motorcycle will hold up to the demands of serious riders. Overall, the 2019 TM Racing MX 125 is a top contender in the 125cc off-road motorcycle category. Its combination of power, agility, and durability make it a great choice for anyone looking to take their riding to the next level. Whether you're hitting the trails for weekend adventures or competing in races, this bike has what it takes to get the job done. If you're in the market for a high-performance off-road motorcycle, the 2019 TM Racing MX 125 is definitely worth considering.
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