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Table of Contents
42
DISASSEMBLY-ENGINE INSTALLED
Install
the remain ing
bol ts
and lockwashers for the
mounting plate.
Check the carburetor
al
ignment.
•Install
the choke link
screw and
lockwasher.
Before installing the
carbu
retors on the motorcycle,
perform
the "Carburetor Functio
n
Checks".
Carburetor Function Checks:
1 .
Choke Valves
•Operate the choke
lever
to
make su re
that
both choke
valves
open
and close
at the
same
time.
•If
they
don't,
carefull
y
bend or reposition the choke
link.
Tighten
the nu
t.
A.
Nut
B.
Choke link
• Push
on each relief valve in
the
cho
ke
valves
to
see
if
it
returns
smoothly. If
it
does not,
the spring
behind
the
relief valve is weak
o
r damaged and
the
carbure tor
body
must
be
repl
aced
as
an assembly
.
{E~[f,:~~
~f
0
tth;
0
;~1i~r:;!~~Y ,orth~h~~:P:~lvf:e~7a~:
mixture for cold
idling
could be
upset.
A. Relief Valve
2. Vacuu
m Pistons
• Check
that each
vacuum piston sl
ides up
and
down
smooth
ly.
If
there
is
any dou
bt,
pull out
the
vacuum
piston
and
check
fo
r
any damage.
• Situate
the
carburetors
upright, set
the v.tcuum
piston
at
its
topmost
position
,
bloc
k the air passage hole to
preven
t
air from entering through
it,
and release
the
pisto
n.
The
piston
should slide
down very
sl owly
(It
should
take
more
than
ten seconds}.
A.
Air Passage Hole
B. Vacuum Piston
• If it does not,
th
e
diaphragm
or
piston
is
probably
damaged
and
must
be replaced.
@~~JI§J
~fot:::~P~~~~:rl~~
~~~~~em :~~~~~c~~:~
could
result.
3.
Fast
Idl ing Cam
•Turn ou
t
the idle
adjusting
screw
until there is clear-
ance
between it and the pulley.
•Open the choke
valves
fully
and push up
the idling
lin
k
un til
the
pu lley
begi ns to rotate. At this
t ime,
the
clearance
between the
idling
lin
k and the fast
idling
cam
should
be about
1
.0
mm
.
§,]§]
!~e:~e ;ii~r~~c~o~ ::!er~n~heth:01:n~~~:
will stall.
If
the clearance is smaller, the cold idle speed
will be too high.
Fast Idling Cam
Clearance
(T)
®
(~
)
~
)
(§)
1.
Choke Valve
4.
Idling
Link
2. Pulley
5
.
Idling Cam
3. Idle Adjusting Screw
6
.
Choke Lever

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   Also See for Kawasaki Z250 1981

This manual is also suitable for:

Kz350 1981

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