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Fuel
System
NOTE
The
pilot
screw
is
factory pre-set
and should
not be
removed
unless the carburetor
is
overhauled.
Turn
the
pilot
screw
in
and
carefully
count
the
number
of turns
before
it
seats
lightly.
Make
a
note
of
this
to
use as
a
reference
when
reinstalling
the
pilot
screw.
If
new
pilot
screw
is
installed,
turn
pilot
screw
out
to the
initial
opening
before
making
a pilot
screw
adjustment (page
5-7).
Requisite Service
-
Carburetor
removal/installation
(page
5-3)
Procedure
Q'ty
Remarks
Vacuum
Chamber
Disassembly Order
(1)
Vacuum
chamber
cover
screws
A
*fr
(2)
Vacuum
chamber
cover
1
1
•
At
installation,
hold the piston
almost
full
open
to
avoid
pinching the
diaphragm
wrth
the
chamber.
(3)
Spring
1
(4-)
Diaphragm/vacuum
piston
1
151
ipf
npprilp
hnlrier
-
1
T
o
J
Spring
1
(7)
1
Float
Chamber
Disassembly
Order
Assembly
is
in
the reverse order
of
disassembly.
(SI
Float
chamber
cover
screws
4
At
installation,
first
tighten
the
two
screws on
the
dowel
pin
side.
(91
Float
chamber
1
(10)
Float pin
1
(11)
Float
1.
For
float level
of inspection,
refer to
the section 8
of
the
Common
Service
Manual.
(12)
Float
valve
1
(13)
Main
jet
1
(14)
Needle
jet
holder
1
(15)
Needle
jet
1
(16)
Slow
jet
.
1
Bystarter
Valve Disassembly Order
Assembly
is in
the reverse order of
disassembly.
(17)
Bystarter valve
1
(18)
Spring
1
(13)
Valve nut
1
Pilot
screw
Disassembly
Order
Assembly
is
in
the reverse order
of
disassembly.
(20)
Pilot
screw
1
(21)
Spring
1
(22)
Washer
1
"
(23)
0-ring
1
5-5
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Troubleshooting
