CYLINDER
HEAD,
CYLINDER
AND
MUFFLER
Clean Every 6 000 km (12 months)
PERIODIC
MAINTENANCE
AND
TUNE-UP
PROCEDURES
2-4
• Carbon deposits in the combustion chamber
of
the cylinder
head
and
at the piston crown will
raise
the compression
ratio and may
cause
preignition
or
overheating.
• Carbon deposited at the exhaust
port
of
the cylinder
will
prevent the
flow
of
exhaust
gas,
reducing the output.
Re-
move carbon deposits periodically.
AIR
CLEANER
Clean Every 3 000 km
•
Remove
the
seat.
(Refer
to
page
3-2.)
• Unfasten the hook at
the
front
part
of
both right
and
left
frame covers.
•
Remove
the fuel tank. (Refer
to
page
3-2.)
• Remove the air cleaner cover, then remove the air cleaner
element frame
and
air cleaner element from the air cleaner
cover.
• Fill a washing
pan
of
a proper
size
with
nonflammable clean-
ing solvent. I
mmerse
the
air
cleaner element in the cleaning
solvent
and
wash
it
clean.
•
Squeeze
the cleaning solvent
out
of
the
washed
element
by
pressing
it
between the palms
of
both hands: do
not
twist
or
wring the element or
it
will
develop tears.
• Immerse
the
air cleaner element in
motor
oil, and squeeze
the
oil
out
of
the
element
leaving
it
slightly
wet
with
oil.
•
Fit
the air cleaner element and its frame
to
the air cleaner
cover properly.
CAUTION:
* Before
and
during the cleaning operation, inspect the element
for
tears. A
torn
element must
be
re-
placed.
*
Be
sure
to
position the element snugly and correctly,
so
that
no incoming air
will
bypass
it.
Remember,
rapid wear
of
piston rings and cylinder bore
is
often
caused
by
a defective
or
poorly
fitted
element.
CAUTION:
If
driving under dusty conditions, clean the air cleaner element more frequently. The surest way
to
acceler-
ate engine wear
is
to
use
the engine
without
the element
or
to
use
a ruptured element. Make sure
that
the
air cleaner
is
in good condition
at
all times. Life
of
the engine depends largely on this component!
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