2021 KLX450R


2021 KLX450R right facing

Off-Road Performance

Enduro riders who value true four-stroke off-road performance choose the KLX450R.

Power and control over the whole ride. Electric start and race-derived components combine to deliver a well known and loved trail weapon. The KLX450R can be road registered to meet local regulations for bush riding.




Overseas model shown

2021 KLX450R engine side view

4-Stroke Engine

The KLX450R is Kawasaki's capable big-bore 4 stroke off-road Enduro model. The easy to handle, rider friendly, road registerable, learner legal, trail explorer, enduro racing KX derived motorcycle that has stump-pulling low down torque. Electric start and performance components combine to deliver a fast and usable total package built for the off-road.

2021 KLX450R engine

Electric Starting

A lightweight, highly reliable electric start system is employed for fast, easy, trouble-free starting. A manual kick starter is retained as a backup. Having both electric and kick starter means the bike can be quickly restarted if the engine stalls or has to be stopped.

2021 KLX450R Fork

Front Suspension

The Kayaba AOS (Air-Oil-Separate) inverted fork from the KX450F offers superb damping and steering precision. Oil and air are kept in separate chambers for stable damping performance

2021 KLX450R Rear Shock

Rear Suspension

The Uni-Trak rear suspension system mounts the suspension arm below the swingarm for a longer stroke. The rear shock features dual compression adjustability, allowing high-speed and low-speed damping to be tuned separately.

2021 KLX450R gear lever

5-Speed Transmission

The KLX450R's gear ratios have been selected to specifically suit off-road riding. The engine is tuned for a broad delivery of power to optimize the gear ratios. The gear sets and centre cases are very compact allowing the frame to be narrower at the rider‘s ankles.

2021 KLX450R front brake

Disc Brakes

Petal brake discs front and rear reduce unsprung weight, and help clean the brake pads for more efficient braking. The forged aluminium rear brake pedal has a heavy duty mounting bolt and a large “foot” with sharp teeth to provide a solid feel. An integrated rear brake fluid reservoir provides increased reliability.

2021 KLX450R dash

Digital Instrumentation

Equipped for off road competition the KLX450R instrument panel lets the rider see what the bike is doing....right now. This lightweight digital instrumentation includes a speedometer, twin tripmeters, odometer, clock and warning lights.

2021 KLX450R

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Overseas model shown



KLX450R (KLX450A)

Engine TypeLiquid cooled, single cylinder
Displacement449 cm³
Bore x Stroke96.0 x 62.1 mm
Compression Ratio12.0:1
Valve SystemDOHC, 4 valve with titanium intake valves
Fuel SystemKeihin FCR MX40
IgnitionDigital AC-CDI
StartingElectric and Primary Kick
Transmission5-speed, return
ClutchWet multi-disc, manual
FramePerimeter, aluminium
Wheel travel - front305 mm
Wheel travel - rear315 mm
Tyre Size-front80/100-21 51P
Tyre Size-rear120/90-18 63P
Suspension - front48 mm USD Air Oil Separate Systems cartridge-type telescopic fork with 22-way compression and 18-way rebound damping adjustment
Suspension - rearNew Uni-Trak with gas-charged shock absorber which features adjustable spring preload, 22-way rebound and 22-way (low speed) compression damping and 2 turns or more of high speed compression adjustment.
Brakes - front250 mm semi-floating petal disc with dual piston calliper.
Brakes - rear240 mm petal disc with single piston calliper.
L x W x H2,220 x 860 x 1,250 mm
Wheelbase1,480 mm
Ground Clearance315 mm
Seat height935 mm
Fuel capacity8.0 litres
Curb Mass126 kg (includes full fuel tank, all fluids at optimum levels)
Max PowerNA
Max TorqueNA
ColourLime Green
Warranty3 Months Parts Only
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