Kawasaki KLX 450 R - 2009 Specifications and Reviews

The 2009 Kawasaki KLX 450 R is a versatile enduro machine designed for intermediate to advanced off-road riders seeking a capable trail and competition bike. Powered by a liquid-cooled 449cc four-stroke single cylinder engine with 12.0:1 compression, it delivers strong low-to-mid range torque ideal for technical terrain. Its lightweight aluminum perimeter frame and responsive handling make it well-suited for both recreational trail riding and amateur motocross competition.

2009
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General information

CategoryEnduro / offroad
Year2009
ModelKawasaki KLX 450 R

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
IgnitionDigital AC-CDI
Fuel controlDOHC
Fuel systemCarburettor. Keihin FCR40
Valves per cylinder4
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 dimensions110/90-18
Front tyre dimensions80/80-21
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.
Dry weight450.0 kg (992.1 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

Track20%
City20%
Cornering55%
Daily Riding20%
Touring15%
Passenger5%

Rider Profile

Best ForNote: the listed dry weight of 450 kg is almost certainly a data error for this 450cc off-road single, which typically weighs around 115-120 kg, so scores below rely on category knowledge rather than that figure; this bike suits experienced off-road or mo
PurposeBuilt as a full-blooded competition enduro/motocross-style machine for trails, motocross tracks, and technical off-road riding rather than street use.
Rider FitIts tall 940mm seat height, firm suspension, and lightweight competition ergonomics demand a fit, reasonably tall rider comfortable standing on the pegs for extended periods.
CharacterA high-revving, torquey big-bore thumper with long-travel suspension and razor-sharp handling, rewarding an aggressive, skilled riding style over technical terrain.
Not Ideal ForNot suitable for new riders, commuting, passengers, or anyone seeking a comfortable, low-maintenance road or touring bike.

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

Rider Fit Visualizer

2009 Kawasaki KLX 450 R 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 2009 Kawasaki KLX 450 R, 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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