Recommended
SAE
Oil
Viscosity
Grades
FUEL
For
best
results,
use only clean, f resh,
regular
grade
unleaded
gasoline
with
a
pump
sticker
octane
rating of
87
or
higher. ln
countries using the Re-
search
method,
it should
be 90 octane
minimum.
Unleaded
is recommended
since
it
leaves less
combustion chamber de-
posits.
Regular
grade
leaded
gasoline
may
also be
used; however,
be aware
that the
combustion chamber and
cylinder head
will
require
more
fre-
quent
service. See
"Required
Main-
tenance"
on
page
4.
Always
use fresh
gasoline.
Fresh
gasoline
is blended
for
the season
and
reduces
gum
deposits which
could
clog the f
uel
system. Do not use
gasoline
left over
from the
previous
season.
Do not add oil to the
gasoline.
Do not overfill
the fuel tank. Leave
room
for
the fuel to expand.
AwenVwe:
Explosive
Fuet
Gasoline
is
extremely
f lammable,
and
its
vapors
can 6xplode
if ignited.
Store
gasoline
only
in approved containers,
in unoccupied
buildings,
away from
sparks or
f lames. Do not add
gasoline
while the
engine
is hot
or
running, or
start the engine near spilled
gasoline.
Never use
gasoline
as
a
cleaning
agent.
orL
Using
the
proper
type
and
weight
crankcase oil
is
extremely
important
as
is
checking
oil
daily and changing
oil and
f ilter
regularly.
(See
"Required
Maintenance"
on
page
4.) Failure to
use the correct
oil or
using dirty oil
causes
premature
engine
wear and
failure.
Before each
start,
make sure
the
crankcase is filled with
proper
type
and
quantity
of oil.
Oil
Type
Use
high-quality detergent oil of
API
(American
Petroleum
lnstitute) ser-
vice class SF. Select
the viscosity
based on the air temperature at
the
time
of operation
as
shown in
the
table.
Straighl 30-weight oil is recommend-
ed.
lf
multiviscosity oil
is
used
in
temperatures above
32oF
(OoC),
be
aware of
the following:
o
lncreased oil consumption
and a
corresponding
increase in combus-
tion deposits requiring
more
fre-
quent
cylinder head
service.
o
More
f requent
oil changes
are
req
u
i
red.
(See
"Changing
Oil",
"Oil
Filter", and
"Required
Maintenance" on
pages
2,
3, and 4.)
CAUTION: Using other
than service
class SF
oil or extending oil
change
intervals
longer
than
recommended
could
cause engine damage
which
is
not covered by
the
engine
warranty.
A logo or symbol on oil containers
identifies the API service
class
and
SAE
viscosity
grade.
Checking
Oil
Check
oil BEFORE EACH USE
as
f ollows:
1.
3. Remove
the dipstick and
wipe oil
off
. Reinsert
the dipstick and
push
it
all the way
down
into tube. Re-
move
the dipstick
and check the
level.
4. Add
the
proper
type of oil
if the
level
is low.
Bring the level up
to,
but
not
over, the
"F"
mark on
the
dipstick.
Always check
the level on
the
dipstick
before adding
more
oil.
CAUTION:
Do
notoperatetheengine
with
the
oil
level below
"L"
mark or
over
"F"
mark.
Oil
Sentry'*
Some
engines
are equipped
with oP-
tional Oil Sentry
oil
pressure
monitor.
lf the
oil
pressure
gets
low,
Oil Sentry
will either
shut down
the engine or
trigger a
warning signal,
depending
on
the application.
CAUTION:
Make sure
the oil level
is
checked
BEFORE EACH USE
and
maintained up
to
the
"F"
mark on
dipstick.
This
includes engines
equip-
ped
with Oil Sentry.
Changing
Oil
For a
new engine,
change oil after
the
f irst 5
hours of operation,
and
then as
shown
in the
"Oil
Change
lntervals"
table.
lntervals
2.
Make sure the engine
is
stopped
and resting on a
level
surface.
Also
make sure the engine
is
cool
and
the oil
has had
time to drain
into
the sump.
Before
removing the
oil
fill cap
or
dipstick, clean
the area
around
these
parts
to keep dirt
and debris
out of
the
engine.
Oil Change
(
)
or
-bo
d
zb
Cz
alo 6b
80
1
oo
0c
-30 -20
-io
0
10
20 30
40
TEMPEBATURE
RANGE
EXPECTED
BEFOBE
NEXT OIL CHANGE
Temperature
Oil
Type
Engine
Type
lnterval
ABOVE
320
F
(00
c)
SAE
30
With Filter
50 hours-
Without
Filter
25 hours
Multiviscosity
With
Filter
25 hours
Without
Filter
25 hours
BELOW
320
F
(00
c)
Multiviscosity
With
Filter
50 hours
Without
Filter
25 hours
'25
hours
for
continuous
andlor
heavy
duty
operation.
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