Motocross Bikes
2007ATK 450 MX
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The 2007 ATK 450 MX is a competitive motocross machine designed for intermediate to advanced riders seeking aggressive trail and track performance. Powered by a fuel-injected 446cc single-cylinder four-stroke engine producing 46 horsepower, it delivers reliable power with excellent throttle response. Known for its lightweight construction at 109.8kg and nimble handling, this bike excels in technical terrain and demanding racing conditions.
- Capacity
- 446.0 ccm
- Engine
- Single
- Gearbox
- 5-speed
- Dry weight
- 109.8 kg
- Seat height
- 965 mm
- Power
- 46.0 HP (33.8 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for motocross and hard enduro riding, excelling at aggressive off-road use over pavement commuting or touring.
- Built for
- A raw, high-performance dirt weapon with premium Ohlins suspension and a punchy big-bore single, designed for riders who want race-ready capability rather than creature comforts.
- Not ideal for
- This is not the right bike for new riders, daily street commuting, passengers, or long-distance highway 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
- 446.0 ccm
- Power
- 46.0 HP (33.8 kW)
- Engine type
- Single
- Power/weight ratio
- 0.4189 HP/kg (dry)
- Bore x stroke
- 96.5 x 61.0 mm
- Compression
- 12.3:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- 12v Battery w Constant Energy Inductive Coil
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Clutch
- Hydraulic
Dimensions & weight
- Wheelbase
- 1486 mm
- Seat height
- 965 mm
- Dry weight
- 109.8 kg
- Fuel capacity
- 7.60 litres
- Ground clearance
- 361 mm
Chassis & suspension
- Frame
- Aluminum Twin-Spar
- Front suspension
- 46mm Ohlins
- Rear suspension
- Ohlins POS
- Front wheel travel
- 305 mm
- Rear wheel travel
- 320 mm
Brakes & wheels
- Front brakes
- Single disc. Dual piston, 240mm Rotor
- Front brakes diameter
- 240 mm
- Rear brakes
- Single disc. Dual piston, 220mm Rotor
- Rear brakes diameter
- 220 mm
- Front tyre
- 80/100-21
- Rear tyre
- 110/100-19
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 | 2007 | 2008 |
|---|---|---|
| Capacity | 446 cc | 449 cc |
| Dry weight | 110 kg | 110 kg |
| Seat height | 965 mm | 965 mm |
| Fuel capacity | 7.6 L | 7.6 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 ATK 450 MX?
The 2007 ATK 450 MX has a Capacity of 446.0 ccm (27.22 cubic inches).
What engine power does the ATK 450 MX have?
The 2007 ATK 450 MX has a Power of 46.0 HP (33.8 kW).
How many gears does the ATK 450 MX have?
The 2007 ATK 450 MX has a Gearbox of 5-speed.
How much does the ATK 450 MX weigh?
The 2007 ATK 450 MX has a Dry weight of 109.8 kg (242.1 pounds).
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