Motocross Bikes
2021TM Racing MX 144 2T
30 fields on record
The 2021 TM Racing MX 144 2T is a two-stroke motocross bike from Italy. Its liquid-cooled 143.3cc single makes 38 hp through a five-speed gearbox. A tall 990 mm seat, 91 kg dry weight and 9.5-litre tank make it light and lively on the track.
- Capacity
- 143.3 ccm
- Engine
- Single, two-stroke
- Gearbox
- 5-speed
- Dry weight
- 91.0 kg
- Seat height
- 990 mm
- Power
- 38.0 HP (27.9 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built exclusively for motocross racing and off-road competition, not for street or commuting use.
- Built for
- A lightweight, high-strung two-stroke that rewards aggressive, active riding with sharp, flickable handling and explosive top-end power.
- Not ideal for
- This bike is not suitable for beginners, passengers, road riding, or anyone wanting comfort, storage, or long-distance touring capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 143.3 ccm
- Power
- 38.0 HP (27.9 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.4176 HP/kg (dry)
- Bore x stroke
- 56.0 x 58.2 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- Kokusan CDI Electronic with variable advance with two selectable maps through handlebar switch
- Lubrication system
- 3,5% oil mix
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Clutch
- Multiple-disk in oil bath with hydraulic control
Dimensions & weight
- Seat height
- 990 mm
- Dry weight
- 91.0 kg
- Fuel capacity
- 9.50 litres
- Ground clearance
- Not on record - add it
Chassis & suspension
- Frame
- Perimetral aluminium section
- Front suspension
- Kayaba USD 48mm
- Rear suspension
- TM Racing
- Front wheel travel
- 310 mm
- Rear wheel travel
- 300 mm
- Rake (fork angle)
- 27.0°
Brakes & wheels
- Front brakes
- Single disc. Wave disc.
- Front brakes diameter
- 270 mm
- Rear brakes
- Single disc. Wave disc.
- Front tyre
- 80/100-21
- Rear tyre
- 100/90-19
Other
- Color options
- Blue/white
- Comments
- Italian brand.
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|
| Capacity | 143 cc | 143 cc | 143 cc | 143 cc | 143 cc |
| Dry weight | 91 kg | 91 kg | 91 kg | 91 kg | 91 kg |
| Seat height | 990 mm | 990 mm | 990 mm | 990 mm | 990 mm |
| Fuel capacity | 9.5 L | 9.5 L | 9.5 L | 9 L | 9 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the TM Racing MX 144 2T?
The 2021 TM Racing MX 144 2T has a Capacity of 143.3 ccm (8.74 cubic inches).
What engine power does the TM Racing MX 144 2T have?
The 2021 TM Racing MX 144 2T has a Power of 38.0 HP (27.9 kW).
How many gears does the TM Racing MX 144 2T have?
The 2021 TM Racing MX 144 2T has a Gearbox of 5-speed.
How much does the TM Racing MX 144 2T weigh?
The 2021 TM Racing MX 144 2T has a Dry weight of 91.0 kg (200.6 pounds).
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