EWAIAC l
700
AwARNING
If
the
throttle
bodies are subjected
to
strong
shocks
or
dropped
during
cleaning, replace
them as a set.
1.
Ch
eck:
• Throttle bodies
Cracks/
da
mage 4 R
ep
lace t
he
throttle bod-
ies as a s
et.
2. Clean:
• Throttle bodies
ECA1ACl
701
NOTICE~~~~~~~~~~~~
• Observe the
following
precautions
; other-
wise
, the
throttle
bodies
may
not
operate
properly.
• Do
not
subject
the
throttle
bodies
to exces-
sive
force.
• Clean the
throttle
bodies
in
the
recom-
mended
cleaning solvent.
• Do
not
use
any caustic
carburetor
cleaning
solution
.
• Do
not
apply cleaning
solvent
directly
to
any
plastic
parts,
sensors
,
or
seals.
• Be
careful
not
to
remove
the
white
paint
mark
that
identifies
the
standard
throttle
body.
• Do
not
turn
the
bypass
air
screws
"a
";
oth
-
erwise, the
throttle
body
synchronization
will
be
affected.
l
Recommended cleaning
solvent
Yamaha Oil & Brake Cleaner
••••••••••••••••••••••••••••••••
a. Place the throttle bodies on a flat su
rf
ace with
the air filter case s
id
e facing
up.
b. Install the caps (895-14169-00) onto the hose
fittings "a".
7-9
THROTILE BODIES
a a
c. Hold the throttle valves in the open position.
EWA1FCl
104
AwARN
I
NG
When cleaning the
throttle
bodies,
be
careful
not
to
injure
yourself
on the
throttle
valves
or
other
components
of
the
t
hrottle
bodies.
ECA1ACl700
NOTICE
~~~~~~~~~~~~
• Do
no
t open the
throttle
valves
by
supply-
ing
electrical
power
to
the
throttle
bod
i
es
.
• Do
not
use
tools
to
open the
throttle
valves
or
to
keep
them
In the open
position
.
•Do
not
open the
throttle
valves quickly.
d. Apply the recommended clean
in
g solvent to
the throttle
va
lves and the inside of the throt-
tle bodies to remove any carbon deposit
s.
TIP
~~~~~~~~~~~~~~-
• Do not allow any cleaning solvent to enter the
opening for the injectors.
• Do not a
pp
ly a
ny
cleaning solvent to the po
r-
tions of the throttle val
ve
shafts between
th
e
throttle bodies.
e.
Remove the carbon deposits
fr
om the
in
side
of
each throttle body in a downward directi
on,
from the air filter case side
of
the throttle body
to the engine sid
e.
NOTICE
~~~~~~~~~~~~~~
• Do
not
use
a tool,
such
as
a wire
brush
,
to
remove the carbon deposits; otherwise, the
inside
of
the
throttle
bodies
may
be
dam
-
aged.
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