Item
Actions
Initial
Every
20
hours
(3
months)
100
hours
(1
year)
300
hours
(3
years)
500
hours
(5
years)
Anode(s)
(external)
Inspection
or
replace-
ment
as
necessary
Anode(s)
(cylinder
head,
thermostat
cov-
er)
Inspection
or
replace-
ment
as
necessary
Anodes
(exhaust
cover,
cooling
water
passage
cover,
Rectifier
Regula-
tor
cover)
Replacement
Battery
(electrolyte
lev-
el,
terminal)
Inspection
Battery
(electrolyte
lev-
el,
terminal)
Fill,
charging
or
replac-
ing
as
necessary
Cooling
water
leakage
Inspection
or
replace-
ment
as
necessary
Cowling
lock
lever
Inspection
Engine
starting
condi-
tion/noise
Inspection
Engine
idle
speed/noise
Inspection
Engine
oil
Replacement
Engine
oil
filter
(built
into
oil
pan)
Inspection,
cleaning
or
replacement
as
neces-
sary
Fuel
filter
(disposal
type)
Replacement
The
“
”
symbol
indicates
work
to
be
carried
out
by
your
Outboards
dealer.
Maintenance
Maintenance
chart
1
TIP:
Refer
to
the
sections
in
this
chapter
for
explanations
of
each
owner-specific
action.
The
maintenance
cycle
on
these
charts
assume
usage
of
100
hours
per
year
and
regular
flushing
of
the
cooling
water
passages.
Maintenance
frequency
should
be
adjusted
when
op-
erating
the
engine
under
adverse
conditions
such
as
extended
trolling.
Disassembly
or
repairs
may
be
necessary
depending
on
the
outcome
of
maintenance
checks.
Expendable
or
consumable
parts
and
lubricants
will
lose
their
effectiveness
over
time
and
through
normal
usage
regardless
of
the
warranty
period.
When
operating
in
salt
water,
muddy,
other
turbid
(cloudy),
acidic
water,
the
engine
should
be
flushed
with
clean
water
after
each
use.
The
“
”
symbol
indicates
the
check-ups
which
you
may
carry
out
yourself.
62