2021 KLX140R


The KLX140R has the Maximum Fun Factor

The small-wheel KLX140R is the ideal size for growing youths and the perfect transition for riders moving up from the KLX110. With fun being a key element, it was essential the KLX140R model is reliable and easy to use. Handling and attitude to raise the fun factor to MAXIMUM. Smooth, easy to use power makes it a breeze for riders of all skill levels, with plush, long travel suspension to soak up the bumps when the going gets rough. Confidence inspiring disc brakes pull the KLX140R up in a big hurry. Not to be outdone, the KLX designers were determined that these play bikes not be mistaken of mere toys, KX inspired sharp and aggressive styling gives you a hint of the attitude that lies within. A compact machine that suits a wide range of riders and experience levels.... the KLX140R is the perfect choice.

144 cm³ Air-Cooled Engine

The KLX140R air-cooled single-cylinder engine offers a lightweight power plant that is both simple (to operate and to maintain) and reliable. The engine revs easily and riders will soon find themselves wanting to use the full range of the engine.

Aluminium Swing Arm

The aluminium swingarm on the KLX140R offers both light weight and increased strength. Like those on our KX machines, it features a hairline finish. KX racing-type chain adjusters allow precise adjustment of chain slack, helping to minimise drivetrain power transfer loss. KX-style wheels with strong, high-grade die-cast hubs offer the same durability as those found on our KX racers. Like our KX motocrossers, the KLX140 features lightweight RK EXCEL aluminium rims.

Petal Discs

While most “playbikes” feature a disc/drum combination, the KLX140 has disc brakes front and rear for a high level of braking performance. The 220 mm diameter front petal disc and twin-piston caliper offer strong, easy-to-control braking. The rear wheel is slowed by a 186 mm diameter petal disc gripped by single-piston caliper.

Steel Perimeter Frame

KX-based perimeter frame made of high tensile steel contributes to the high offroad riding potential of the KLX140R. In fact, the frame uses the same upper tubes as those on the KLX250.

High Performance Suspension

33 mm telescopic front forks on the KLX140R are matched to the Uni-Trak rear suspension featuring a 5-way preload adjustable rear shock-absorber for superb handling and offroad ability.


KX-style wheels with strong, high-grade die-cast hubs offer the same durability as those found on our KX range. Like our KX motorcrossers, the KLX140R features lightweight RK ECEL aluminium rims.


Seat height are also a nice compromise between kid's bikes and full-size machines, at 780mm

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KLX140R (KLX140A)

Engine Type4-stroke, air cooled, single cylinder
Displacement144 cm³
Bore x Stroke58.0 x 54.4 mm
Compression Ratio9.5:1
Valve SystemSOHC 2 valve
Fuel SystemKeihin PB20
IgnitionDigital DC-CDI
ClutchWet multi-disc, manual, cable operation
FrameTubular double cradle, box section perimeter, high-tensile steel
Wheel travel - front180 mm
Wheel travel - rear180 mm
Tyre Size-front70/100-17
Tyre Size-rear90/100-14
Suspension - front33 mm telescopic fork
Suspension - rearNew Uni-Trak Link, single shock with 5-way preload adjustability
Brakes - frontSingle 220 mm petal disc with dual piston caliper
Brakes - rearSingle 186 mm petal disc, with a single-piston caliper
L x W x H1,820 x 790 x 1,050 mm
Wheelbase1,260 mm
Ground Clearance235 mm
Seat height780 mm
Fuel Capacity5.8 litres
Curb Mass93 kg (includes full fuel tank, all fluids at optimum levels)
Max PowerNA
Max TorqueNA
ColourLime Green
Warranty6 Months
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