Kawasaki KX 450F - 2014 Specifications and Reviews

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.

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General information

CategoryCross / motocross
Year2014
ModelKawasaki KX 450F
 
 

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
IgnitionDigital DC-CDI
Fuel controlDOHC
Fuel systemInjection. DFI with 43mm Keihin throttle body
Bore x stroke96.0 x 62.1 mm (3.8 x 2.4 inches)
Compression12.5:1
Engine typeSingle cylinder, four-stroke
Capacity:449.00 ccm (27.40 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakes diameter240 mm (9.4 inches)
Rear brakesSingle disc. Petal disc with single-piston caliper
Front brakes diameter250 mm (9.8 inches)
Front brakesSingle disc. Petal disc with 2-piston caliper
Rear tyre dimensions120/80-19
Front tyre dimensions80/100-21
Rear suspensionUNI-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 suspension48mm inverted, Kayaba PSF with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment / 12.4 in.
Rake (fork angle)26.9°
 
 

Physical measures and capacities

Fuel capacity6.21 litres (1.64 gallons)
Wheelbase1,481 mm (58.3 inches)
Ground clearance330 mm (13.0 inches)
Overall width820 mm (32.3 inches)
Overall length2,179 mm (85.8 inches)
Overall height1,275 mm (50.2 inches)
Seat height955 mm (37.6 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc112.5 kg (248.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsLime Green

Performance Profile & Rider Fit

Best For

Track95%
City5%
Cornering90%
Daily Riding10%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a full-power motocross machine best suited to experienced off-road or racing riders, not beginners.
PurposeBuilt purely for closed-course motocross racing and aggressive off-road riding, not general transportation.
Rider FitDemands strong physical fitness and technique, with a tall 950mm seat height, kick start, and no seating comfort for extended riding.
CharacterA raw, high-strung, race-bred single-cylinder machine that rewards aggressive, committed riding with explosive acceleration and razor-sharp handling.
Not Ideal ForNot suitable for commuting, touring, passengers, or riders seeking comfort and low-maintenance road use.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2014 Kawasaki KX 450F Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 955mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2014 Kawasaki KX 450F, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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