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Kawasaki Z250 1981 Service Manual Page 141

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Table of Contents
Table H49
Shift Fork Guide Pin Diameter
Standard
Service Limit
5.990~6.005
mm
5.85
mm
Table HSO
Shift Drum Groove Width
Standard
Service
Lim it
6.05-6.20
mm
6.25
mm
Gear dog, gear dog hole, gear dog recess damage
Visually
inspect
the
gear dogs,
gear
dog
holes,
and
gear
dog
recesses. Replace
any
gears
that
have
damaged,
or
unevenly
or
excessively worn
dogs, dog hol
es,
or
dog
recesses.
Gear/shaft wear
Measure the
diameter
or
each
shaft
and bush
with
a
micrometer,
and
measure
the inside
d
iameter
of
each
gear
listed
below.
Find the difference
between
the
two readings
to
figure
clearance,
and replace
any
gear with clearance
exceeding
the
serv
ice
limit.
Table H51
Gear/Shaft, Gear/Bush Clearance
Gear
Standard
Service
Limit
01, 02
0.027
-
0.061
mm
0.1
6
mm
03,
D5,-and
0.020-0
.062 mm
0. 16mm
D6
Shaft/needle bearing outer
race
wear
Measure
the diameter
of
the dr1 ve
and output
shafts
where
it
passes
through
the needle
bearing.
Replace
the
shaft
if
the diameter is less
than
the
service
limi
t.
MAINTENANCE-ENGINE 135
Measure
the inside diamter
of
the
needle
bearing
outer
race
with
a cylinder
gauge.
Replace
the needle
bearing
outer race if
the
diameter exceeds
the
service
limi
t.
When replacing
the
shaft and/or
needle bearing outer
race,
replace the needle
bearing
also.
Table H52
Shaft Needle Bearing Outer Race Wear
Standard
Service Limi
t
D.
Shaft
19.987~20.000
mm
19.97
mm
0
.
Sh aft
19.980-
19.993
mm
19.96
mm
Outer Race
25.007-25.020
mm
25.04
mm
Ball bearing, needle bearing wear, damage
Check
the
ball
bearing
and needle
bearing
(Pg. 138).
If
there is
any
doub
t
as
to
the
cond
it
ion
of
either
bearing,
rep lace
it.
LUBRICATION
Engine Oil Pump
Oil pump operation check
If it
is
suspected
that
the
oil pump
is
not
working
properly
,
chec
k
the
o
il
pump
operation
as
follows:
•D
iscon
nec
t
the
le
ft
spark
plug
lead,
and remove
the
contact
breaker
cover
and
gasket.
•Rfir10ve the o
il
passage plug from
the cylinder
head.
A.
Oil Passage Plug Hole
•Connect
the.
spark
plug
lead. Place a piece of
cloth
around
the plug hole.

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Kz350 1981

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