Kawasaki KLX450R - 2024 Specifications and Reviews

The 2024 Kawasaki KLX450R is a liquid-cooled 449cc single-cylinder enduro machine built for serious off-road riders and competitors. Known for its responsive DOHC engine with Keihin carburettor, robust chassis, and 5-speed transmission, it delivers the performance and reliability needed for trail riding and off-road competition. This middleweight dirt bike suits riders seeking a capable platform for adventure and sport riding.

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General information

CategoryEnduro / offroad
Year2024
Model nameKawasaki KLX450R

Engine and Transmission Specifications

DrivelineSealed chain
ClutchWet multi-disc, manual
Transmission typeChain (final drive)
Gearbox5-speed
Cooling systemLiquid
Lubrication systemForced lubrication, semi dry sump
IgnitionDigital AC-CDI
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemCarburettor. Keihin FCR MX40
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:449.0 ccm (27.40 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. Petal disc, single-piston caliper
Diameter250 mm (9.8 inches)
Front brakesSingle disc. Semi-floating petal disc, dual piston caliper.
Rear tire120/90-18
Front tire80/100-21
Rear wheel travel315 mm (12.4 inches)
Rear suspensionUni-Trak with 22-way low-speed, 2 turns or more high speed compression damping, 22 way rebound damping and adjustable spring preload
Front wheel travel305 mm (12.0 inches)
Front suspension48 mm inverted AOS type telescopic fork with 22-way compression and 18-way rebound damping
Trail122 mm (4.8 inches)
Frame typePerimeter, aluminium

Physical measures and capacities

Fuel capacity8.00 litres (2.11 US gallons)
Wheelbase1480 mm (58.3 inches)
Ground clearance315 mm (12.4 inches)
Overall width820 mm (32.3 inches)
Overall length2175 mm (85.6 inches)
Overall height1250 mm (49.2 inches)
Seat height935 mm (36.8 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc126.0 kg (277.8 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
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Factory warranty3 Months Parts Only
StarterElectric & kick
Color optionsLime Green

Performance Profile & Rider Fit

Best For

Track55%
City15%
Cornering60%
Daily Riding15%
Touring12%
Passenger5%

Rider Profile

Best ForThis is a competition-focused enduro machine best suited to experienced off-road riders comfortable with a tall, firm, race-bred motorcycle.
PurposeBuilt purely for aggressive trail riding, enduro competition, and technical off-road terrain rather than road use.
Rider FitThe tall 935mm seat height, minimal weight at 126kg, and firm long-travel suspension demand good rider fitness, leg length, and off-road technique.
CharacterA light, high-revving, single-cylinder dirt weapon with fully adjustable premium suspension that rewards an active, standing-up riding style.
Not Ideal ForNot suitable for commuting, highway travel, passengers, or riders seeking a plush, low, easy-to-manage everyday bike.

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

Rider Fit Visualizer

2024 Kawasaki KLX450R Rider Ergonomics Assessment

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

Feet:

At 935mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2024 Kawasaki KLX450R, with a cramped knee angle of around 80 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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