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Piston Installation Notes - Kawasaki KX125 1990 Service Manual

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'
Remove the piston ring(s) with piston
ring
pliers
(special
tool).
If
the special
tool
is
not
available,
carefully
spread
the
ring
opening with you
r
thumbs
and then
push
up on
the opposite
side
of
the
ring to
remove it.
A.
Piston
Ring
Pliers:
57001 -115
Piston Installation Notes
-
Installation
is the reverse of
removal.
-
Stuff a dean cloth into
the
crankcase opening
around the connecting
rod so that
no
parts will fall
into
the
crankcase.
-
Scrape any ca rbon off of the piston, then lightly
polish the
piston with
fine
emery
cloth
.
-
Clean ca rbon and
dirt
out of the piston ring grooves
using
a
su
itable tool
.
CAUTION
Carbon particles
can be very abrasive
to
piston
rings.
Don
'
t allow such particles to
fall
onto
the
cylinder walls
.
ENGINE
TOP ENO
4-
13
-
When
installing the
piston
ring on the piston, note
the
following:
o
lf
installi
ng
the
piston
ring
by
hand.
first fit one
end of the piston ri ng agai
nst
t he pin in the
ring
groove,
spread
the
ring
opening with the other
hand and
then
slip
the
ring
into the
groove.
o
The
piston
ring
ha
ve
a mark
on
its upper
surface.
o
lnstalJ
the
ring so t
ha
t the pin
in
the piston
ring
groove is
between
the ends of
the piston
ring.
Piston
Ring
Position
1.
Pin
-
Apply
2-stroke engine oil
to
the
connecting rod
nee-
dle
bea ring and
the
piston
pin
.
-I
nstall the piston and piston pin
.
The
arrow
on the
top
of the
piston
mu
st point toward
the front.
-
When insta lling a
piston pin
snap
ring,
compress it
on ly enough
to
install
it
and no more.
CAUTION
00
not
reuse snap
rings.
as removal weakens and
deforms
them
.
They could
fall
out and score the
cylinder wall.

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