Dolmar MS-250 - Checkup of spark plug; Spark plug inspection and adjustment; Suction head in the fuel tank; Fuel filter inspection and replacement

Ла
de,
hile
fron
an
ant
sible
06 mm ` 07 mm
(024" - 028")
Supply of grease to gear case
(5)
>
Only
use
the
supplied
universal
wrench
to
remove
or
to
install
Ihe
spark
plug
|
«The
gap
between
the
two
electrodes
of
the
spark
plug
should
be
i
061007
mm
(0024
-
0028").
If
the
gap
is
too
wide
or
too
narrow,
{
agust
it.
ti
the
spark
plug
is
clogged
with
carbon
or
fouled
clean
it.
Thoroughly
or
replace
it
CAUTION:
Never
touch
the
spark
plug
connector
while
engine
is
running
(changer
of
high
voltage
electric
shock)
*
Supply
grease
(Shell
alvania
No.
3
or
equivalent)
to
the
gear
case
through
the
grease
hole
(5)
every
30
hours,
(Genuine
DOLMAR
grease
may
be
purchased
from
your
DOLMAR
dealer)
*
The
felt
filter
(1)
of
the
suction
head
is
used
to
filter
the
fuel
required
by
the
Carburetor.
*
A
periodical
visual
inspection
of
the
felt
filter
is
to
be
conducted.
For
that
purpose
open
the
tank
cap,
use
a
wire
hook
and
pull
out
the
suction
head
through
the
tank
opening.
Filters
found
to
have
hardened,
been
poiluted
or
clogged
up
are
to
be
replaced.
*Insuflicient
fuel
supply
can
result
in
the
admissible
maximum
speed
being
exceeded.
It
is
therefore
important
to
replace
the
felt
filter
at
least
quarterly
to
ensure
satisfactory
fue!
supply
to
the
Carburetor.
Cleaning of muffer exhaust port
C
Q
* Check of muffer exhaust port (2) regulaaty.
«If
itis
clogged
by
carbon
deposits,
carefully
scratch
the
deposits
out with a suitable tool.
a
Any
maintenance
or
adjustment
work
that
has
not
included
and
described
in
this
manual
is
only
to
be
performed
by
Authorized
Service
agent.
23