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Enduro Bikes

2023Kawasaki KLX450R

★ 4.0
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The 2023 Kawasaki KLX450R is a competition-focused enduro machine built for serious off-road riders seeking trail performance and reliability. Powered by a 449cc liquid-cooled four-stroke single with DOHC and a Keihin carburettor, it delivers responsive power through a five-speed chain-drive gearbox. Best known for its proven dirt-bike heritage and capability in challenging terrain, the KLX450R suits ambitious recreational and racing-oriented riders alike.

Capacity
449.0 ccm
Engine
Single, four-stroke
Gearbox
5-speed
Wet weight
126.0 kg
Seat height
935 mm
Power
35.4 HP (26.0 kW)
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2023 Kawasaki KLX450R

vs the 2022
Spec20222023
Front brakes Double disc. Dual piston Single disc. Semi-floating petal disc, dual piston caliper.
Rear brakes Single disc Single disc. Petal disc, single-piston caliper
Other years 2008 2009 2010 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 44Agility 94Comfort 30Off-road 97Touring 15Road manners 25
Off-road & trail97%
Cornering60%
City riding15%
Daily riding15%
Touring12%
Two-up5%
Track55%
Best for
Built purely for aggressive trail riding, enduro competition, and technical off-road terrain rather than road use.
Built for
A light, high-revving, single-cylinder dirt weapon with fully adjustable premium suspension that rewards an active, standing-up riding style.
Not ideal for
Not suitable for commuting, highway travel, passengers, or riders seeking a plush, low, easy-to-manage everyday bike.

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 us
At 935mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2023 Kawasaki KLX450R, with a cramped knee angle of around 80 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

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Full specifications

Engine
Capacity
449.0 ccm
Power
35.4 HP (26.0 kW)
Engine type
Single, four-stroke
Power/weight ratio
0.2810 HP/kg (wet)
Bore x stroke
96.0 x 62.1 mm
Compression
12.0:1
Cooling system
Liquid
Fuel system
Carburettor
Starting
Electric & kick
Ignition
Digital AC-CDI
Valves per cylinder
4
Lubrication system
Forced lubrication, semi dry sump
Torque
Not on record - add it
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet multi-disc, manual
Dimensions & weight
Wheelbase
1480 mm
Overall length
2175 mm
Overall width
820 mm
Overall height
1250 mm
Seat height
935 mm
Wet weight
126.0 kg
Fuel capacity
8.00 litres
Ground clearance
315 mm
Dry weight
Not on record - add it
Chassis & suspension
Frame
Perimeter, aluminium
Front suspension
48 mm inverted AOS type telescopic fork with 22-way compression and 18-way rebound damping
Rear suspension
Uni-Trak with 22-way low-speed, 2 turns or more high speed compression damping, 22 way rebound damping and adjustable spring preload
Front wheel travel
305 mm
Rear wheel travel
315 mm
Rake (fork angle)
28.0°
Trail
122 mm
Brakes & wheels
Front brakes
Single disc. Semi-floating petal disc, dual piston caliper.
Front brakes diameter
250 mm
Rear brakes
Single disc. Petal disc, single-piston caliper
Rear brakes diameter
240 mm
Front tyre
80/100-21
Rear tyre
120/90-18
Other
Color options
Lime Green
Warranty
3

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 200820132017202020232024
Capacity 449 cc 449 cc 449 cc 449 cc 449 cc 449 cc
Seat height 940 mm 935 mm 935 mm 935 mm 935 mm 935 mm
Fuel capacity 7.9 L 8 L 8 L 8 L 8 L 8 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

4.0
★★★★☆
Rider rating
MotorcycleDB

The 2023 Kawasaki KLX450R is a powerful and versatile off-road motorcycle that is perfect for those looking to take on challenging terrain. With its 449cc engine, lightweight chassis, and agile handling, this bike is ready to tackle anything from tight trails to wide-open desert. The electric start and fuel injection make for easy and reliable performance, while the adjustable suspension allows riders to customize the ride to their preferences. Whether you're a seasoned off-road rider or just starting out, the KLX450R has the power and capabilities to take your adventures to the next level.

In conclusion, the 2023 Kawasaki KLX450R is a top-of-the-line off-road motorcycle that has the performance and features to impress any rider. Its powerful engine, agile handling, and customizable suspension make it a standout choice for those looking to conquer challenging terrain. With its reliable and user-friendly design, the KLX450R is a great option for anyone looking to take their off-road adventures to new heights.

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Common questions

What is the engine size of the Kawasaki KLX450R?

The 2023 Kawasaki KLX450R has a Capacity of 449.0 ccm (27.40 cubic inches).

What engine power does the Kawasaki KLX450R have?

The 2023 Kawasaki KLX450R has a Power of 35.4 HP (26.0 kW).

How many gears does the Kawasaki KLX450R have?

The 2023 Kawasaki KLX450R has a Gearbox of 5-speed.

How much does the Kawasaki KLX450R weigh?

The 2023 Kawasaki KLX450R has a Wet weight of 126.0 kg (277.8 pounds).

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