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Carburetor; Idle Speed Inspection; Idle Speed Adjustment - Kawasaki KDX200 Service Manual

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Carburetor
Since the carburetor regulates and mixes the fuel and air gOing to the
engine,
there are two general types of carburetor
trouble:
too rich a
mixture (too much fuel), and too lean a mixture (too little fuel)
.
Such
trouble
can
be caused by dirt, wear, maladlustment, or
Improper
fuel level
In
the floa
t
chamber.
A dirty or damaged air cleaner can also alter
t
he
fu
el
to Sir
ratiO.
Idle Speed Inspection
Start the engine and warm It up thoroughly_
.
Wlth the engine
Idling,
turn the handlebar to both
Sides.
*
If handlebar movement changes the idle
speed,
the throttle cable may
be Improperly adjusted or incorrectly
routed,
or it may be damaged.
Be sure to correct any of these
condit
ions before riding (see
Cable,
Wire and Hose Routing
secl
lon In the General Information chapter)
.
Operation with
an
damaged cable could resun In an unsafe riding condition
.
Check the Idle speed
*
AdJust it as needed
Idle Speed
A
djustment
. First
turn in the air screw (A) until it seats lightly, and back
it out
1
%
turns
.
Start the engine and warm it up thoroug hly
.
Turn the throttle stop screw [B] to obtain desired
id
le speed (the
slowest smooth idle speed)
.
If
no idle is
preferred,
tum out
t
he
screw
until the engine stops
.
Open and
close
the throttle a few times to make sure
that
the
id
le
speed is as
desired.
Read/ust
if
necessary.
Service
Fuel Leve/ lnspection
..
WARNING
Gasoline is extremely flammable and can be explosive under certain
conditions.
Always stop the engine and do not
smoke.
Make sure
the
area Is well venlllatecl and tree from any source
of
Ilame or
sparts;
this Includes any appliance with 8 pilot light.
.
Tum the fuel tap to the
OFF
poSition.
Remove the fuel tank
.
Remove the carburetor, Bnd hold
it
in true vertical
posit
ion on a
stand.
Put the fuel
tank
on a bench,
and connect
the fuellBp to the
carburetor
using a suitable
hose.
Remove the drain plug from the bottom of the float bowl, and screw
a
fuel
level gauge
[A)
into the plug
hole.
Special Tool
-
Fuel Level
Gauge,
M18 x
1.0:
57001 ·122
Hold
t
he gauge vertically against the side of the carburetor body so
thai
the middle line [B) of the gauge is several millimeters higher
than
the
float
bowl mating surface [C]
.
Turn
t
he fuel tap to the ON position to feed fuel to the carburetor
.
• Walt
until
t
he
fuel
level in
t
he gauge settles .
Keeping
t
he gauge vertical, slowly
lower
the gauge until
t
he middle
line IS even
wit
h the float bowl mating
surface.
FUEL SYSTEM 2-7
B

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This manual is also suitable for:

Kdx220 1995-2006

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