Motocross Bikes
2025TM Racing MX 300 ES Fi 4T
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The 2025 TM Racing MX 300 ES Fi 4T is a competitive motocross machine built for intermediate to advanced riders seeking a nimble, modern four-stroke platform. Its fuel-injected 299cc single-cylinder engine delivers predictable power across the rev range, while the lightweight aluminum deltabox frame ensures precise handling and agility. Known for reliability and responsive performance, it excels in technical terrain and racing environments.
- Capacity
- 299.4 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 102.0 kg
- Seat height
- 970 mm
- Power
- 50.0 HP (36.8 kW)
What’s new for the 2025 TM Racing MX 300 ES Fi 4T
vs the 2024| Spec | 2024 | 2025 |
|---|---|---|
| Front suspension | Kayaba USD 48mm | Kayaba fork, 48mm |
| Rear suspension | TM Racing | TM Racing monoshock |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for motocross track and serious off-road racing, not for street or leisure riding.
- Built for
- A high-strung, race-bred four-stroke with premium suspension and boutique Italian componentry, rewarding aggressive, precise riding.
- Not ideal for
- Not suitable for beginners, commuters, passengers, or anyone wanting a comfortable, road-legal, or touring-capable machine.
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
- 299.4 ccm
- Power
- 50.0 HP (36.8 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.4902 HP/kg (dry)
- Bore x stroke
- 81.0 x 58.1 mm
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- eMoticom
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multiple-disk in oil bath with hydraulic control
Dimensions & weight
- Seat height
- 970 mm
- Dry weight
- 102.0 kg
- Fuel capacity
- 7.50 litres
- Ground clearance
- 355 mm
Chassis & suspension
- Frame
- Self-tempering aluminium deltabox type single beam with extruded, forged and microcast parts
- Front suspension
- Kayaba fork, 48mm
- Rear suspension
- TM Racing monoshock
- Front wheel travel
- 310 mm
- Rear wheel travel
- 300 mm
- Rake (fork angle)
- 27.0°
Brakes & wheels
- Front brakes
- Single disc. Brembo
- Rear brakes
- Single disc. Nissin
- Front tyre
- 80/100-21
- Rear tyre
- 100/80-19
Other
- Color options
- Blue/grey
- 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 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|
| Capacity | 299 cc | 299 cc | 299 cc | 299 cc |
| Dry weight | 102 kg | 102 kg | 102 kg | 102 kg |
| Seat height | 970 mm | 970 mm | 970 mm | 970 mm |
| Fuel capacity | 7.5 L | 7.5 L | 7.5 L | 7.5 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 300 ES Fi 4T?
The 2025 TM Racing MX 300 ES Fi 4T has a Capacity of 299.4 ccm (18.27 cubic inches).
What engine power does the TM Racing MX 300 ES Fi 4T have?
The 2025 TM Racing MX 300 ES Fi 4T has a Power of 50.0 HP (36.8 kW).
How many gears does the TM Racing MX 300 ES Fi 4T have?
The 2025 TM Racing MX 300 ES Fi 4T has a Gearbox of 6-speed.
How much does the TM Racing MX 300 ES Fi 4T weigh?
The 2025 TM Racing MX 300 ES Fi 4T has a Dry weight of 102.0 kg (224.9 pounds).
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