Motocross Bikes
2012TM Racing MX 450FI
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The 2012 TM Racing MX 450 Fi is a competitive motocross machine engineered for serious off-road racers seeking lightweight performance and precision handling. Its 449cc fuel-injected four-stroke single-cylinder engine delivers reliable power with DOHC technology and titanium valves, while the dry-sump lubrication and liquid cooling ensure durability in demanding conditions. Best known for its Italian engineering and responsive throttle characteristics, it appeals to intermediate to advanced riders competing in cross-country and motocross events.
- Capacity
- 449.2 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- Not on record
Know it? Add it → - Seat height
- 918 mm
- Power
- 56.0 HP (41.2 kW)
What’s new for the 2012 TM Racing MX 450FI
vs the 2011| Spec | 2011 | 2012 |
|---|---|---|
| Power | 19.9 HP (14.5 kW) @ 7000 RPM | 56.0 HP (41.2 kW) |
| Front suspension | Marzocchi USD | Marzocchi USD fork, 50 mm |
| Rear suspension | Sachs Boge ( optional Ohlins ) | Sachs Boge (optional Ohlins TM) |
| 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 aggressive off-road riding, not for commuting or general road use.
- Built for
- A raw, race-focused machine with premium components like titanium valves, hydraulic clutch and top-shelf suspension, delivering sharp, explosive handling.
- Not ideal for
- Not for new riders, daily commuters, or anyone wanting comfort, passenger capability, or long-distance 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
- 449.2 ccm
- Power
- 56.0 HP (41.2 kW)
- Engine type
- Single, four-stroke
- Bore x stroke
- 95.0 x 63.4 mm
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Kick
- Ignition
- Kokusan generator, Microtec Electronic
- Valves per cylinder
- 4
- Lubrication system
- Dry sump with 2 pumps
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multiuple-disk in oil-bath with hydaulic control
Dimensions & weight
- Wheelbase
- 1280 mm
- Overall length
- 2030 mm
- Overall width
- 1250 mm
- Overall height
- 1300 mm
- Seat height
- 918 mm
- Fuel capacity
- 8.20 litres
- Ground clearance
- 305 mm
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Perimetral aluminium
- Front suspension
- Marzocchi USD fork, 50 mm
- Rear suspension
- Sachs Boge (optional Ohlins TM)
Brakes & wheels
- Front brakes
- Single disc. Braking wave Disk. With Nissin pump and caliper
- Front brakes diameter
- 320 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
- 110/90-19
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 | 2011 | 2012 | 2016 |
|---|---|---|---|
| Capacity | 449 cc | 449 cc | 449 cc |
| Seat height | 918 mm | 918 mm | — |
| Fuel capacity | 8.2 L | 8.2 L | 8.2 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 450FI?
The 2012 TM Racing MX 450FI has a Capacity of 449.2 ccm (27.41 cubic inches).
What engine power does the TM Racing MX 450FI have?
The 2012 TM Racing MX 450FI has a Power of 56.0 HP (41.2 kW).
How many gears does the TM Racing MX 450FI have?
The 2012 TM Racing MX 450FI has a Gearbox of 5-speed.
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