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3:
,
<II
A
CARBURETORS
(Cont'd)
390
C.I.D.
ENGINE
TYPE
Venturi Size
Primary
Secondary
Seconda ry Throttle Stop Screw
C-
Float
Setting -
Dry
Primary
and/or
Secondary
(Allowa
ble Tolerance
+
lUI)
Fuel
Level
Setting
Primary
and/or Secondary
(Allowable
Tolerance
+
1,1
3
2"
)
-
---- -
FORO
QUADR
UPLE
DOWNDRAFT
1
Va
"
1
Y16"
Back secondary throttle lever
stop
screw
out
until
secondary
plates
stick
in throttle
bores
and there is a
clearance
of
.009
between
screw
and
second
a
ry
throttle
lever,
then
screw
inward one full
turn.
.
2YJ2"
from top surface of main body to
top of free end of Aoat with
Aoat in
upper·
most
position.
-
2%2"
below
the
top
machin
ed
surface of
the main
body.
- - - -
I
~
C
trj
t"'"
w
~
00
~
trj
~
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