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Kawasaki Z250 1981 Service Manual Page 58

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Table of Contents
52 DISASSEMBLY-ENGINE INSTALLED
•Adjust the camshaft chain (Pg. 16),
and
install
the
camshaft chain tensioner
cap
and
O
ring.
•Install the
cylinder
head cover (Pg.
44)
.
•Adjust
the
valve
clearance (Pg.
16).
•Adjust the
ignition
timing (Pg.
12}.
I nstal I
the car
bu re
tors (
Pg.
3
9).
•Install
the
mufflers (Pg. 44).
•Install
the
fuel tank (Pg.
39).
CYLINDER BLOCK
Removal:
•Remove the
fuel
tan
k
(Pg.
39).
•Remove
the
carburetors
(Pg.
39).
Removal of the
throttle
cables from
the carburetors is not necessary,
bu
t
put the carburetors
on
the
frame to avoid
cable
stretch
or
carburetor
damage.
•Remove
the
mufflers
(Pg.
44).
•Remove
the
cylinder
head
cover
(Pg. 44).
•Remove
the
camshaft
(Pg.
47).
•Remove
the
cylinder
head
(Pg.
48).
•Remove the gasket and
O
rings on
the
cylinder
block.
•Pull off the cylinder
block.
If
necessary,
use a slot
screwdriver
in
the pry points
provided
on both sides
of the cylinder block.
~~):~[]
~~ ~~:
h:~:;;ro~l~cek~cre;
0
~~;e~;o :;~
result in
cylinder
block or crankcase
damage.
A. Pry Points
B.
Cylinder
Block
•Wrap a clean cloth around the base of each
piston
so
that no parts or dirt will fall
into
the
crankcase.
Installation:
NOTE:
If the cylinder block is replaced with a new
one, the piston to
cylinder
clearance must be checked
(Pg.
128).
•Make
su
re
that the two
knock
pins
are properly
in
place,
and
fit a
new
cylinder
base
gasket.
(
E51
)
A. Knock Pins
•Turn
the
crankshaft
un til
the height
of
both pistons is
the same, while pulling the camshaft chain taut
to
prevent the chai
n
from snagging.
•To position
the pistons
during cylinder
block instal
·
lation,
use the
piston holders
(special
tools)
in
the
front
and
rear
of the pistons.
A. Piston Holders
(57001-1023)
Posit
ion
each
piston
ring
so
thaL
the
opening
in
the
lop
and
oil
ring of each
piston
is
racing forwards, and
the
second
ring
opening faces
the
rear. The openings
ot
the
o
il ring
steel
rails
must
be
slipped
to
both
di
rec
Lions
about
30°
from
the
opening
of
the
expander.
Piston Rings

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Kz350 1981

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