Kawasaki KLX 450R - 2010 Specifications and Reviews

The 2010 Kawasaki KLX 450R is a capable mid-size enduro bike designed for serious off-road riders seeking a balance of power and manageability. Its liquid-cooled 449cc single-cylinder engine delivers responsive performance across varied terrain, while the aluminum perimeter frame and aggressive geometry make it equally at home on technical trails and motocross circuits.

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General information

CategoryEnduro / offroad
Year2010
ModelKawasaki KLX 450R

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
IgnitionDigital AC-CDI
Fuel controlDOHC
Fuel systemCarburettor. Keihin FCR40
Bore x stroke96.0 x 62.1 mm (3.8 x 2.4 inches)
Compression12.0:1
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
Front brakes diameter250 mm (9.8 inches)
Front brakesSingle disc
Rear tyre dimensions110/70-18
Front tyre dimensions80/70-21
Rear suspensionUNI-TRAK single shock system with 22-way low-speed, two-turn variable high-speed compression damping and 22-way rebound damping / 12.4 in.
Front suspension48mm inverted AOS-type cartridge fork with 22-way compression damping and 20-way rebound damping / 12.0 in.
Trail122 mm (4.8 inches)
Rake (fork angle)27.7°
Frame typeAluminum, perimeter design
 
 

Physical measures and capacities

Fuel capacity7.94 litres (2.10 gallons)
Wheelbase1,481 mm (58.3 inches)
Ground clearance320 mm (12.6 inches)
Overall width820 mm (32.3 inches)
Overall length2,179 mm (85.8 inches)
Overall height1,255 mm (49.4 inches)
Seat height940 mm (37.0 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc126.0 kg (277.7 pounds)
 
 

Other specs

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

Performance Profile & Rider Fit

Best For

Track55%
City15%
Cornering70%
Daily Riding15%
Touring10%
Passenger5%

Rider Profile

Best ForBest suited to intermediate-to-experienced off-road riders comfortable with a tall, light, aggressive competition-oriented enduro bike.
PurposeBuilt as a pure off-road enduro and motocross-style competition machine rather than a street or all-round bike.
Rider FitThe tall 940mm seat height and lightweight 126kg chassis demand decent rider fitness and leg length, though its low mass makes it manageable for confident riders.
CharacterA high-revving, aggressive single-cylinder thumper with race-bred suspension and razor-sharp handling for tackling trails, motocross tracks, and technical terrain.
Not Ideal ForNot a good fit for daily commuting, highway touring, passengers, or riders seeking comfort and long-range range.

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

Rider Fit Visualizer

2010 Kawasaki KLX 450R Rider Ergonomics Assessment

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

Feet:

At 940mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2010 Kawasaki KLX 450R, 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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