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Table of Contents
130
MAINTENANCE-
ENGINE
Table H34
Piston
Pin,
Piston Pin Hole,
Small End Diameter
Standard
Service
Limi
t
Piston
Pin
14.995-15.000 mm
14.96
mm
Pin
Hole
15.005-
15.011
mm
15.07 mm
Small
End
15.003-15.014 mm
15.05
mm
NOTE:
When
a new
piston
or
pin
is
used,
also check
that
piston-to-pin clearance is 0.005
-
0.016 mm, and
that
pin
to
small
end clearance
is
within
0.003-0.019
mm.
CRANKSHAFT, CONNECTING RODS
Connecting rod big end
radial clearance
Set
the
crankshaft
in a
flywheel alignment
jig
or
on
V
blocks.
Set
a
dial gauge against
the
big
end
of
the
connecting rod,
and
first
push the connecting
rod
toward
the
gauge
and
then
in the
opposite
direction.
The
difference
between the two
gauge
readi
ngs
is
the
radial
clearance.
If radial
clearance
exceeds
the
service limit,
the
crankshaft
should be
replaced.
f3ble H35
Connecting Rod Big
End Radial Clearance
Standard
Service Limit
0.008-0.016 mm
0.07 mm
-
Connecting
rod side clearance
Measure the side
clearance
of
the
connecting
rod
with
a thickness gauge
as shown.
Replace the
crankshaft
and
the connecting
rod
if
the
clearance exceeds
the
service
limit.
A. Big End
Table H36
Connecting
Rod Big End Side Clearance
Standard
l
Service Limit
0.2-0.3
mm
I
0.5
mm
Connecting
rod
bend, twist
Set the
crankshft
in a fl
ywheel
alignment jig or on
v
blocks on
a
su
rface
plate.
Select
an
arbo
r
of
the
same
diameter
as
the
piston pin
and
of
optional length,
and
insert
it through
the small end of the
connecting
rod
.
Using
a
height gauge
or
d
ial
gauge, measure
the
difference
in
the height
of
the small-end arbor above
the
surface
plate
over a 100
mm
length to
determine
the
amou
nt
the connecting
rod is
bent.
If
the
mea-
su
rement
exceeds
th
e service limit, replace
the
crank-
shaft assembly.
Connecting
Rod Bend Measurement
100mm
Using the arragement and arbor shown
below,
measure
the
amount
that
the
arbor
varies
from
being
parallel
with
with
the
crankshaft
over
a
100
mm
length
of
the
arbor
to
determine
the amount
the
connecting rod
is
twis ted.

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   Also See for Kawasaki Z250 1981

This manual is also suitable for:

Kz350 1981

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