Motocross Bikes
2020TM Racing MX 450 Fi 4T
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The 2020 TM Racing MX 450 Fi 4T is an Italian four-stroke motocross bike designed for intermediate to advanced riders seeking reliable performance and classic styling. Known for its torquey 450cc engine, quality USD suspension, and affordable Japanese components, it excels in mixed terrain and delivers practical versatility for competitive amateur riders.
- Capacity
- 449.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 107.5 kg
- Seat height
- 1000 mm
- Power
- 56.0 HP (41.2 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for off-road and motocross-style riding on tracks and closed terrain rather than public roads.
- Built for
- A motocross bike from TM racing with a 449cc engine; its character is versatile and engaging, with 56 hp on tap.
- Not ideal for
- Not road-legal in most markets and not for commuting or touring.
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
- 449.0 ccm
- Power
- 56.0 HP (41.2 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.5209 HP/kg (dry)
- Bore x stroke
- 95.0 x 63.4 mm
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric & kick
- Ignition
- Kokusan, ECU
- Valves per cylinder
- 4
- Lubrication system
- Dry sump with 2 pumps
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Clutch
- Multiuple-disk in oil-bath with hydaulic control
Dimensions & weight
- Seat height
- 1000 mm
- Dry weight
- 107.5 kg
- Fuel capacity
- 7.50 litres
- Ground clearance
- 360 mm
Chassis & suspension
- Frame
- Alluminium perimetral
- Front suspension
- USD 48mm Kayana
- 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. Wave disk with Nissin pump and caliper
- Front brakes diameter
- 270 mm
- Rear brakes
- Single disc. Wave disk with Nissin pump and caliper
- Front tyre
- 80/100-21
- Rear tyre
- 110/90-19
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 | 449 cc | 449 cc | 449 cc | 449 cc | 449 cc |
| Dry weight | 108 kg | 108 kg | 108 kg | 108 kg | 108 kg |
| Seat height | 1000 mm | 1000 mm | 1000 mm | 1000 mm | 1000 mm |
| Fuel capacity | 7.5 L | 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 450 Fi 4T?
The 2020 TM Racing MX 450 Fi 4T has a Capacity of 449.0 ccm (27.40 cubic inches).
What engine power does the TM Racing MX 450 Fi 4T have?
The 2020 TM Racing MX 450 Fi 4T has a Power of 56.0 HP (41.2 kW).
How many gears does the TM Racing MX 450 Fi 4T have?
The 2020 TM Racing MX 450 Fi 4T has a Gearbox of 6-speed.
How much does the TM Racing MX 450 Fi 4T weigh?
The 2020 TM Racing MX 450 Fi 4T has a Dry weight of 107.5 kg (237.0 pounds).
Shop this bike
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The 2020 TM Racing MX 450 Fi 4T motorcycle is a powerhouse on the track, delivering exceptional performance and handling. Its fuel-injected 450cc engine provides strong and smooth power delivery, making it an ideal choice for motocross enthusiasts. The bike's nimble and agile nature allows riders to confidently navigate corners and jumps with ease, while its top-notch suspension system ensures a comfortable ride over rough terrain. With its Italian craftsmanship and attention to detail, the TM Racing MX 450 Fi 4T is a top contender in the competitive world of motocross racing.
In addition to its impressive performance, the 2020 TM Racing MX 450 Fi 4T motorcycle also boasts a sleek and stylish design that is sure to turn heads at the track. Its bold graphics and vibrant color options make it stand out among its competitors. The bike's ergonomic seat and adjustable handlebars provide a comfortable riding position for riders of all sizes. Overall, the TM Racing MX 450 Fi 4T is a high-quality, high-performance motorcycle that is well worth considering for serious motocross competitors and enthusiasts.
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