CARBURETORS (Can't.)
the starter drops and the intake
of
the fuel becomes weak.
When
the engine
has
started, warm up the engine
with
the choke
engaged.
After
warm up, return choke
to
normal position.
When
starting
an
engine
that
is
already warm, activate
throttle
slightly (about 1 /3).
OVERHAUL
SERVICE
As
you may
have
understood
by
the preceding explanations,
a carburetor
has
little
mechanical functions,
and
troubles
are
mostly due
to
the wear
of
parts
and
the clog
by
dirt
and dust.
In overhaul service,
use
gasoline
for
washing
out
and
blow
dry
with
an
air compressor. Observe the
following
instructions.
STARTER SYSTEM
(a)
The starter
jet
is
driven into the float chamber body. Jets
should never
be
cleaned
by
drills
or
wire.
(b)
Be
careful in handling the starter plunger, since scratches
on the circumference
cause
malfunctioning and scratches on
the
base
prevent a
tight
seal
which
may
cause
a fuel leak while
driving.
(c)
Since a damaged
or
worn rubber cap
of
the starter allows
the invasion
of
water
from
outside, replace
it
with
a new one.
PILOT SYSTEM
(a)
Be
sure
to
use
proper tools
for
overhauling the
pilot
jet,
and
be
careful
not
to
make scratches.
Wash
out
in gasoline and
blow
dry
with
an
air compressor.
(b)
If
the taper
of
the air screw
is
disfigured
or
worn, replace
it
with
a new one.
(c)
When
the
pilot
jet
and
the air screw
are
disassembled,
carefully clean the
passages
on the side
of
the body (the
pilot
outlet
and the by-pass, etc.).
73
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