Motocross Bikes
2017TM racing TM Racing 450FI 4T MX
27 fields on record
The 2017 TM Racing 450Fi 4T is an Italian four-stroke motocross bike engineered for competitive amateur and semi-professional riders seeking reliability and precision handling. Known for its liquid-cooled engine and responsive hydraulic clutch, it delivers strong midrange power ideal for varied terrain. The perimetral aluminum frame and quality suspension provide excellent control for technical tracks.
- Capacity
- 449.2 ccm
- Engine
- Single single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- Not on record
Know it? Add it → - Seat height
- Not on record
Know it? Add it → - Power
- 44.9 HP
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for motocross track riding and aggressive off-road competition, not commuting or leisure road use.
- Built for
- A lightweight, boutique Italian racer with premium components like titanium valves and USD forks, prized for razor-sharp handling and agility.
- Not ideal for
- Not suitable for riders wanting comfort, passenger capability, road legality, or long-distance touring.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 449.2 ccm
- Power
- 44.9 HP
- Engine type
- Single single, four-stroke
- Bore x stroke
- 95.0 x 63.4 mm
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric & kick
- Ignition
- Kokusan CDI Electronic with variable advance
- Valves per cylinder
- 4
- Lubrication system
- Dry sump with double rotor pump
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multiuple-disk in oil-bath with hydaulic control
Dimensions & weight
Chassis & suspension
- Frame
- Perimetral aluminium section
- Front suspension
- Kayaba USD
- Rear suspension
- TM Racing
Brakes & wheels
- Front brakes
- Single disc. Wave disc.
- Front brakes diameter
- 270 mm
- Rear brakes
- Single disc. Wave disc.
- Rear brakes diameter
- 245 mm
- Front tyre
- 90/90-X21
- Rear tyre
- 110/90-X19
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.
Rider Reviews
Common questions
What is the engine size of the TM racing TM Racing 450FI 4T MX?
The 2017 TM racing TM Racing 450FI 4T MX has a Capacity of 449.2 ccm (27.41 cubic inches).
What engine power does the TM racing TM Racing 450FI 4T MX have?
The 2017 TM racing TM Racing 450FI 4T MX has a Power of 44.9 HP.
How many gears does the TM racing TM Racing 450FI 4T MX have?
The 2017 TM racing TM Racing 450FI 4T MX has a Gearbox of 5-speed.
Shop this bike
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The 2017 TM Racing 450Fi 4T MX motorcycle is a high-performance machine that delivers power, speed, and control. With its 450cc 4-stroke engine, this bike can easily handle the demands of motocross racing. The fuel injection system ensures smooth and responsive throttle, while the lightweight frame and suspension provide excellent handling on the track. Whether you're a professional racer or a weekend warrior, the TM Racing 450Fi 4T MX is a top choice for those seeking a competitive edge.
In addition to its impressive performance, the 2017 TM Racing 450Fi 4T MX motorcycle also boasts a sleek and stylish design. The bold graphics and aggressive stance make this bike stand out on the track, while the ergonomic seating and controls provide comfort for long rides. Overall, this motorcycle offers a winning combination of power, precision, and style that is sure to impress any motocross enthusiast. If you're in the market for a top-of-the-line motocross bike, the TM Racing 450Fi 4T MX should be at the top of your list.
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