Motocross Bikes
2012TM Racing MX 144
32 fields on record
The 2012 TM Racing MX 144 is a lightweight 144cc two-stroke motocross bike designed for young and amateur riders entering the sport. Known for its responsive power delivery and agile handling, this machine excels in youth racing categories with its liquid-cooled engine, advanced CDI ignition system, and smooth hydraulic clutch control for consistent performance on track.
- Capacity
- 143.4 ccm
- Engine
- Single, two-stroke
- Gearbox
- 5-speed
- Dry weight
- Not on record
Know it? Add it → - Seat height
- 918 mm
- Power
- 28.0 HP (20.6 kW)
What’s new for the 2012 TM Racing MX 144
vs the 2011| Spec | 2011 | 2012 |
|---|---|---|
| Power | 19.9 HP (14.5 kW) @ 7000 RPM | 28.0 HP (20.6 kW) |
| Front brakes | Single disc. Nissin pump and Brembo caliper | Single disc. Braking wave Disk. With Nissin pump and caliper. |
| Rear brakes | Single disc. Nissin pump and Brembo caliper | Single disc. Braking wave Disk. With Nissin pump and caliper. |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for motocross racing and off-road competition, with a light two-stroke powerplant, premium suspension, and no road-going equipment.
- Built for
- A raw, high-revving two-stroke racer that rewards precise throttle control and aggressive riding with sharp, lightweight agility on rough terrain.
- Not ideal for
- Not suitable for daily commuting, highway touring, carrying passengers, or riders seeking comfort and low-maintenance simplicity.
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
- 143.4 ccm
- Power
- 28.0 HP (20.6 kW)
- Engine type
- Single, two-stroke
- Bore x stroke
- 56.0 x 58.2 mm
- Compression
- 17.2:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- Kokusan CDI Electronic with variable advance with two selectable maps
- Lubrication system
- 3.5% oil mixture
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multiple-disk in oil bath with hydraulic control
Dimensions & weight
- Wheelbase
- 1280 mm
- Overall length
- 2030 mm
- Overall width
- 1250 mm
- Overall height
- 1300 mm
- Seat height
- 918 mm
- Fuel capacity
- 8.70 litres
- Ground clearance
- 305 mm
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Alluminium perimetral
- Front suspension
- Marzocchi USD 50mm
- Rear suspension
- Sachs Boge (optional Ohlins )
Brakes & wheels
- Front brakes
- Single disc. Braking wave Disk. With Nissin pump and caliper.
- Front brakes diameter
- 270 mm
- Rear brakes
- Single disc. Braking wave Disk. With Nissin pump and caliper.
- Rear brakes diameter
- 245 mm
- Front tyre
- 80/100-21
- Rear tyre
- 100/90-19
Other
- Color options
- Blue/white
Specs last verified against published sources: .
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 | 2008 | 2010 | 2012 | 2013 | 2015 | 2017 |
|---|---|---|---|---|---|---|
| Capacity | 143 cc | 143 cc | 143 cc | 143 cc | 143 cc | 143 cc |
| Seat height | 918 mm | 918 mm | 918 mm | 918 mm | 918 mm | 918 mm |
| Fuel capacity | 8.7 L | 8.7 L | 8.7 L | 8.7 L | 8.7 L | 8.7 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?
The 2012 TM Racing MX 144 has a Capacity of 143.4 ccm (8.75 cubic inches).
What engine power does the TM Racing MX 144 have?
The 2012 TM Racing MX 144 has a Power of 28.0 HP (20.6 kW).
How many gears does the TM Racing MX 144 have?
The 2012 TM Racing MX 144 has a Gearbox of 5-speed.
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