Enduro Bikes

2010Kawasaki KLX450R

39 fields on record

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.

Capacity: 449.0 ccm
Engine: Single, four-stroke
Gearbox: 5-speed
Wet weight: 126.0 kg
Seat height: 940 mm
Power: 56.4 HP (42.1 kW)

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What’s new for the 2010 Kawasaki KLX450R

vs the 2009

Spec	2009	2010
Power	35.4 HP (26.0 kW)	56.4 HP (42.1 kW)
Rear suspension	UNI-TRAK® single shock system with 22-way low-speed, two-turn variable high-speed compression damping and 22-way rebound damping / 12.4 in.	UNI-TRAK single shock system with 22-way low-speed, two-turn variable high-speed compression damping and 22-way rebound damping / 12.4 in.

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

Off-road & trail96%

Cornering70%

City riding15%

Daily riding15%

Touring10%

Two-up5%

Track55%

Best for: Built as a pure off-road enduro and motocross-style competition machine rather than a street or all-round bike.
Built for: A high-revving, aggressive single-cylinder thumper with race-bred suspension and razor-sharp handling for tackling trails, motocross tracks, and technical terrain.
Not ideal for: Not a good fit for daily commuting, highway touring, passengers, or riders seeking comfort and long-range range.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

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Your height

Inseam (optional)

Units

At 940mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2010 Kawasaki KLX450R, with a cramped knee angle of around 85 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: 56.4 HP (42.1 kW)
Engine type: Single, four-stroke
Power/weight ratio: 0.4476 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 and #8209;dry sump
Torque: Not on record - add it

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Wet multiplate

Dimensions & weight

Wheelbase: 1481 mm
Overall length: 2179 mm
Overall width: 820 mm
Overall height: 1255 mm
Seat height: 940 mm
Wet weight: 126.0 kg
Fuel capacity: 7.90 litres
Ground clearance: 320 mm
Dry weight: Not on record - add it

Chassis & suspension

Frame: Aluminum, perimeter design
Front suspension: 48mm inverted AOS-type cartridge fork with 22-way compression damping and 20-way rebound damping / 12.0 in.
Rear suspension: UNI-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 wheel travel: 305 mm
Rear wheel travel: 315 mm
Rake (fork angle): 27.7°
Trail: 122 mm