Honda CLYMER VF500C 500F (1984-1985) [105/350] Engine
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Honda CLYMER VF500C 500F (1984-1985) [105/350] Engine

Honda CLYMER VF500C 500F (1984-1985) [105/350] Engine
ENGINE
97
4.
Use a
proper
size
wooden dowel or socket
extension
and
push
out the
piston pin.
CAUTION
Be
careful
when
removing
the
pin
to
avoid damaging the connecting
rod. If
necessary,
gently
tap the
pin
to
remove
it, but be sure
the
piston
is
properly
supported.
5. If
the
piston pin
is
difficult
to remove, heat the
piston
and
pin
with
a small butane
torch.
The
pin
will
probably push
right
out.
If not, heat
the
piston
to about 60'C
(140'F),
i.e.,
until
it is
too
warm
to
touch,
but
not excessively
hot. If
the
pin
is
still
difficult to
push
out, use
a special tool as shown in
Figure
146.
6.
Lift
the
piston
offthe connecting
rod.
Piston Inspection
l.
Carefully clean the
carbon
from
the
piston
crown
with
a chemical remover
or
with
a
soft
scraper. Do not remove
or damage
the carbon
ridge
around the circumference
of
the
piston
above
the top ring. If
the
pistons,
rings
and cylinders are
found
to
be dimensionally correct and can
be
reused,
removal
of the carbon
ring from
the tops of
pistons
or
carbon
ridges from
the tops of cylinder
bores
will
promote
excessive oil consumption.
CAUTION
Do
not
wire
brush
piston
skirts.
2. Examine
each ring
groove
for
burrs, dented
edges
and
wide wear.
Pay
particular
attention to
the top
compression ring
groove,
as
it
usually
wears
more
than the others.
3.
Measure
piston-to-cylinder
clearance as
described
in this chaptqr.
If
damage
or
wear
indicates
piston
replacement,
select a
new
piston
as
described
under
Piston
Clearance Measurement in
this
chapter.
4.
Oil
the
piston pin
and
install it
in the
connecting rod.
Slowly
rotate
the
piston pin
and
check for radial
play (Figure
147).
If
any
play
ffi
:li.:6
Threaded
rod
t

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