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A. Air Passage Hole
B. Vacuum Piston
•If it
does
not, the
diaphragm or piston is
probably
damaged
and must
be replaced.
[~~:fiEEJ
~fo;h::::P:~~~:rl~~
:~~~~em :~~~~~c~~:~
could result.
3.
Fast
Idling
Cam
•Turn
out
the idle
adjusting
screw until
there is
clear·
ance
between it and
the
pulley.
•Open the
choke
valves fully
and
push
up
the idling
link
until the
pulley
begins
to
rotate.
At this
time,
the
clearance
between the
idling
link and
the fast idling
cam should
be about
1.0
mm.
{E~Iill
::e:~e ~
1
i~r~:c~o:
1
1~!er~n~eth~
01
:n~~~:
will stall.
If the clearance is smaller, the cold idle speed
will be too high.
Fast
Idling
Cam
(N78)
Clearance
1. Choke
Valve
4.
Idling Link
2. Pulley
5.
Idling
Cam
3.
Idle
Adjusting
Screw
6. Choke
Lever
SUPPLEMENT-1981 Z250A
221
A.
Idling
Link
B. Fast Idling
Cam
C. About
1
mm
•If the clearance
is
incorrect,
carefully bend
the
idling
link
as required. Recheck
the clearance.
4. Butterfly
Valves
•Make
sure
that
the butterfly
valves open and close
smoothly
as the pulley
is
rotated.
If they don't,
check
for binding in the carburetor bore or
spring damage,
and correct as necessary.
•Turn
out the
idle
adjusting
screw until
there is
clear·
ance between it and the
pulley
. Open
the choke valves.
Then, check
that both
butterfly
valves close com·
pletely and that
they
begin
to
open
at
the same time.
[~:@lliJ
!!~::u~l~~e~!~i,:al~:~i~;
n
0
~t
::~~~:!~~~
carburetor synchronization cannot be achieved.
If adjustment
is necessary,
loosen
the locknut
and
turn
the adjusting
screw
on
the
pulley
as required. Tighten
the
locknut
A. Locknut
C.
Butterfly
Valve
B. Adjusting Screw
5.
Service Fuel
Level
Situate
the
carburetors
so
that
they are perfectly
level,
and measure the service fuel level for each
carbu·
retor,
and
adjust
it
if necessary (Pg. 118).
~~!£ill
~ro~:r
s;~::~:i/u~li::~;;
~~:"::~~e~~g~~:
performance
cannot
be
obtained.

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   Also See for Kawasaki Z250 1981

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Kz350 1981

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