Motocross Bikes
2014Kawasaki KX 450F
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The 2014 Kawasaki KX 450F is a competitive 449cc four-stroke motocross machine designed for intermediate to advanced off-road racers. Known for its aggressive power delivery and advanced Keihin fuel injection system, it delivers strong mid-range torque and responsive handling characteristics. The inverted Kayaba suspension and adjustable damping provide excellent control on varied terrain.
- Capacity
- 449.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 99.8 kg
- Seat height
- 955 mm
- Power
- 44.9 HP (33.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for closed-course motocross racing and aggressive off-road riding, not general transportation.
- Built for
- A raw, high-strung, race-bred single-cylinder machine that rewards aggressive, committed riding with explosive acceleration and razor-sharp handling.
- Not ideal for
- Not suitable for commuting, touring, passengers, or riders seeking comfort and low-maintenance road use.
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
- 44.9 HP (33.0 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.4499 HP/kg (dry)
- Bore x stroke
- 96.0 x 62.1 mm
- Compression
- 12.5:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Kick
- Ignition
- Digital DC-CDI
- Valves per cylinder
- 4
- Lubrication system
- Forced lubrication, semi and #8209;dry sump
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet multi-disc
Dimensions & weight
- Wheelbase
- 1481 mm
- Overall length
- 2179 mm
- Overall width
- 820 mm
- Overall height
- 1275 mm
- Seat height
- 955 mm
- Dry weight
- 99.8 kg
- Wet weight
- 112.5 kg
- Fuel capacity
- 6.20 litres
- Ground clearance
- 330 mm
Chassis & suspension
- Frame
- Aluminum perimeter
- Front suspension
- 48mm inverted, Kayaba PSF with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment / 12.4 in.
- Rear suspension
- UNI-TRAK linkage system and Kayaba shock with 50mm piston, 22-position low-speed and stepless high-speed compression dampening, 33-position rebound dampening and fully adjustable spring preload / 12.4 in.
- Front wheel travel
- 315 mm
- Rear wheel travel
- 315 mm
- Rake (fork angle)
- 26.9°
- Trail
- 127 mm
Brakes & wheels
- Front brakes
- Single disc. Petal disc with 2-piston caliper
- Front brakes diameter
- 250 mm
- Rear brakes
- Single disc. Petal disc with single-piston caliper
- Rear brakes diameter
- 240 mm
- Front tyre
- 80/100-21
- Rear tyre
- 120/80-19
Other
- Color options
- Lime Green
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 | 2011 | 2014 | 2016 | 2018 |
|---|---|---|---|---|---|
| Capacity | 449 cc | 449 cc | 449 cc | 449 cc | 449 cc |
| Dry weight | 100 kg | 100 kg | 100 kg | 100 kg | 100 kg |
| Seat height | 965 mm | 960 mm | 955 mm | 955 mm | 950 mm |
| Fuel capacity | 7.2 L | 7.2 L | 6.2 L | 6.2 L | 6.2 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 Kawasaki KX 450F?
The 2014 Kawasaki KX 450F has a Capacity of 449.0 ccm (27.40 cubic inches).
What engine power does the Kawasaki KX 450F have?
The 2014 Kawasaki KX 450F has a Power of 44.9 HP (33.0 kW).
How many gears does the Kawasaki KX 450F have?
The 2014 Kawasaki KX 450F has a Gearbox of 5-speed.
How much does the Kawasaki KX 450F weigh?
The 2014 Kawasaki KX 450F has a Dry weight of 99.8 kg (220.0 pounds).
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