Introduction
The Fun, Friendly, Multi-talented
Dirt Companion
The multi-talented KLX™140 features an easy-to-handle size
that will delight newer riders, while its engine provides a steady
flow of power that both new and seasoned riders can enjoy. Riders
of all stripes will find something to love about this compact
dirt bike, whether it's the straightforward push-button starting,
or its slightly larger than a "pit" bike size. Cracking
a smile will be inevitable, no matter a rider's level of experience.
Bringing the KLX to life is as simple as pressing the power switch
and thumbing the start button. The power switch includes an internal
LED to remind riders when the ignition is on, and preventing
dead batteries. The powerful 144cc engine is easy to manage via
a manual clutch and a five-speed, close ratio transmission. And
a progressive clutch means that younger and beginning riders
can more easily get the hang of shifting and clutch use; its
progressive nature also means half-clutch can be used at extremely
low speeds. The clutch also offers a more direct feel and more
durability.
The KLX's high-revving, smooth and surprisingly quiet engine
is wrapped in a high-tensile steel perimeter frame covered by
KX™-like shrouds, a two-tone seat cover and sharp, aggressive
body work. The 140's roomy cockpit, overall control layout and
narrow footpeg/frame relationship including wide and comfortable
footpegs make it easy for riders to move around while aboard
with a minimum of effort.
A 33mm telescopic fork featuring custom-tuned spring rate and
damping settings handles suspension duties up front. In back,
a UNI-TRAK® linkage equipped rear shock featuring 5-way preload
adjustability provides a smooth and controlled ride. To provide
even greater options for growing riders, the KLX140L's more advanced,
reservoir-equipped shock easily fits the standard KLX140.
Lightweight RK EXCEL aluminum rims and advanced braking components
are another sign this is a serious off-road motorcycle. A large
220mm front disc and 27mm twin-piston caliper at the front and
186mm rear disc provide serious stopping power. Both utilize
petal shaped rotors, which help clean the brakes and reduce unsprung
weight for better wheel control.
Bottom line: The KLX140 delivers an ideal blend of size and performance,
all of which equals Big Fun for kids and adults alike.
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Features
At A Glance
· 144cc air-cooled, single-cylinder
engine is simple to operate and to maintain
· Close-ratio transmission makes optimum use of the engine's
power
· Progressive manual clutch offers young riders the chance
to master clutch engagement and gear shifting
· Keyless electric starting via a starter button on the
handlebar; an LED indicates when the power button is on to help
prevent accidental battery drain
· Front 220mm petal disc and large-bore 27mm twin-piston
caliper (same size as those on the KX450F/250F) for strong and
easy-to-control braking
· Quiet muffler is equipped with a USFS-approved spark
arrester, meaning the KLX140L can access designated public off-road
riding areas
144 cc air-cooled, single-cylinder engine
· Reliable and easy to use lightweight engine is simple
to operate and maintain
· Engine revs easily and allows riders to use the engine's
full rpm range up to the rev limiter at 10,500 rpm
· Exhaust pipe is curved to achieve optimum length for
good power characteristics
· Quiet muffler is equipped with a USFS-approved spark
arrester, meaning the KLX140 can access designated public off-road
riding areas
· Oil-moistened air filter is washable, reusable, easily
accessed and highly effective in dusty situations
Electric start
· Keyless electric starting via handlebar-mounted
button
· Orange LED light activates when the power button is
depressed, indicating that power is "ON" to help prevent
accidental battery drain
· Digital CDI ignition helps ensure quick, reliable starts
Carburetor
· Oval piston-valve Keihin PB20 carburetor features
several Kawasaki-original modifications to provide stable fuel
delivery under rough off-road conditions
· Partitions in the float chamber keep the fuel from sloshing
excessively, while an umbrella around the main jet traps fuel
when jumping
· Dual air vents help provide a stable fuel supply and
eliminate hesitation even when the bike is at extreme lean angles
· Needle valve is suspended on a spring, which acts like
a shock absorber
· Float material is rubber instead of plastic
Close-ratio transmission
· Close gear ratios help the acceleration performance
of the KLX
· Shift lever features a ball bearing design for easy
shifting like KX™ models, and has a folding tip for reduced
crash damage
Progressive manual clutch
· Manual clutch offers young riders the chance to
master clutch engagement and gear shifting
· Spring damper in the clutch provides a 2-stage engagement
that permits half-clutch use when riding at extremely low rpm
or idling speeds, and helps provide better clutch feel and durability
Box-section perimeter frame
· Ready for the off-road abuse, the highly rigid,
KX-inspired high-tensile steel perimeter frame uses the same
upper tubes as the high-performance KLX250S
· Aluminum swingarm is lightweight, strong and features
a hairline finish just like the KX machines
· KX-style chain adjusters allow precise chain adjustment
Superior suspension
· 33mm telescopic fork has spring rates and damping
settings specific to each model
· KLX140 rear shock features 5-way preload adjustability
· More advanced KLX140L rear shock and reservoir can be
mounted on the KLX140 for faster riders
KX-style wheels
· Strong, high-grade die-cast hubs offer the same
durability as those on the KX models
· Durable, lightweight RK EXCEL aluminum rims are featured
on the KLX's 17/14-inch front/rear wheels
Petal disc brakes front & rear
· Front 220mm petal disc and large-bore 27mm twin-piston
caliper (same size as those on the KX450F/250F) offer strong
and easy-to-control braking
· Rear brake uses a 186mm petal disc gripped by a 27mm
single-piston caliper
· Rear brake master cylinder features a large-volume,
unitized reservoir that contributes to stable braking and helps
ensure sufficient fluid pressure, even when the brake pad wears
down
· The wave shape of the petal discs help clean the brake
pads for more efficient braking performance and reduce unsprung
weight
Ergonomics
· Flat-shaped box-section of frame, long footpegs
mounted close to the bikes' centerline and no kick-start lever
combine to offer riders a good grip on the bike and thusly a
higher level of machine control
· Footpeg/frame relationship is modeled after the KX models
for maximum leg grip
· Handlebar is rubber-mounted to reduce vibration transferred
to the rider's hands
· Two-piece upper triple clamp and handle clamp allow
easy aftermarket handlebar installation
· Raised pattern on half of the handgrip surface improves
rider grip and comfort
· Two-tone seat cover has a slip-resistant top surface
for improved grip and smooth sides for excellent rider mobility
when standing
Sharp, aggressive bodywork styling
· Box-section perimeter frame features advanced styling
similar to that of the KX racers
· Two-piece shrouds with ventilation holes inspired by
the top-of-the-line KX race machines
· Fuel tank cover provides a smooth transition from tank
to shroud, and contributes to the high level fit and finish
· Eye-catching box muffler design protrudes as little
as possible from behind the side cover and features a plastic
muffler end-cap that offers a surface that's cooler to the touch
than steel
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Technical Specifications
Engine Four-stroke, SOHC, two-valve
single
Displacement 144cc
Bore x Stroke 58.0 x 54.4mm
Cooling System Air
Carburetion Keihin PB20
Compression ratio 9.5:1
Ignition CDI
Transmission Five-speed with wet multi-disc manual clutch
Final drive Chain
Frame Type High-Tensile steel, box-section perimeter
Rake/Trail 27 degrees / 3.3 in.
Front suspension / wheel travel 33mm telescopic fork / 7.1 in.
Rear suspension / wheel travel UNI-TRAK® linkage system and
single shock with 5-way preload adjustability / 7.1 in.
Front Tire Size 70/100-17
Rear Tire Size 90/100-14
Front brakes / rear brakes Single 220mm petal disc with a dual-piston
caliper / Single 186mm petal disc with single-piston caliper
Overall length 71.7 in.
Overall width 31.1 in.
Overall height 41.3 in.
Wheelbase 49.6 in.
Ground clearance 9.3 in.
Seat height 30.7 in.
Curb weight 205.0 lbs.
Fuel capacity 1.5 gal.
Color Choices Lime Green
Warranty 6 months base warranty
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