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20 ADJUSTMENT -·ENGINE
With
Vacuum Gauges:
•Start
the
engine,
and
warm
it
up
for
5
minutes.
•Perfonn the
idling adjustmen
t
(Pg.
19).
•Remove the
vacuum
plug
from each
carburetor,
and
attach
the
vacuum
gauges
and
adapters
(special
tools).
A. Vacuum
Gauge Adapter (57001-401)
•With
the engine running
at
idle speed,
close
the
vacuum
gauge damper valves until
gauge
needle flutter is less
than 3
cm Hg. Normal vacuum gauge
reading is
19
- 26
cm
Hg, and
the
difference
between the
two
cylinders
should be
less
than 3 cm
Hg.
A. Vacuum Gauge Set (57001-127)
•If there is a
difference of
more
than 3
cm
Hg between
the
two gauges,
stop
th
e
engine, remove
the fuel tank
(Pg.
39),
and supply
fuel
to the carburetors by
some
means.
•With
the engine running,
alter the
balance
adjusting
screw
position
with
the balance adjuster
(special
tool)
to obtain
a difference
in readings
of
less than 3
cm Hg.
•Adjust
the idle speed
with the idle
adjusting screw, if
necessary.
•Recheck the difference in vacuum
gauge readings, and
if there is
a
difference
of more than 3
cm
Hg, repeat
the last 2 steps.
-
•When
the balance adjusting
screw is
properly posi·
tioned,
tighten the
balance adjusting screw
locknut
and
stop
the
engine.
•Detach
the
vacuum gauges
and
adapter, and
install the
vacu
um
plugs.
•Install
the fuel tank (Pg.
39).
CLUTCH
Stre.tching
of
the clutch cable causes
the
clutch
lever
to
develop excessive play.
Too
much play
wil
l
prevent
complete disengagement
and
may
resul
t
in
shifting
difficulty ,md possible
clutch and transmission damage.
Most of
the play must
be
taken up, but
a small amount
must
remain
so that
the clutch
release lever will
function
properly.
Clutch
plate
wear also causes
the
clutch
to
go out
of
adjustment.
This
wear
causes the play
between
the
push
rod and
the
ad justing screw
to gradually diminish
unti
l the
push rod touches the adjusting screw. When
this play is
lost,
the
clutch
will not engage fully, causing
the
clu
tch to slip.
NOTE:
Even
though the
proper amount of
play
ex ists
at the
clutch
lever, clutch
lever play alone cannot
be
used to
determine
whether or
not
the clutch requires
adjustment.
The
adjustment
procedure
which follows compensates
for both cable stretch
and
plate
wear.
I
WARNING
I
To avoid a serious burn, never touch the
i . ,
.
- - - - • -
hot engine or exhaust pipes during clutch
adjustment.
To adjust the clutch:
•Turn
in
fu
ll
y
the
loc
knut
and adjusting
nut
in
the
midd
le
of the
clutch
cable.
This assures plenty
of
cable
play
and proper clu tch release angle.
A. Adjusting Nut
B. Locknut
•Loosen the
knu
rled
locknut at the
clutch
lever, and
turn the
adjuster so that there
is a
s~6
mm gap be·
tween the
adjuster
and knurled
locknut.
A. Adjuster
B.
Knurled
Locknut

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   Also See for Kawasaki Z250 1981

This manual is also suitable for:

Kz350 1981

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