FUEL
SYSTEM
Page
L15
a. Idle Speed
b.
Idle Emission
C
.
Fast
-
Idle
Synchronisation (figure 6)
1.
Loosen the clamping bolt
(1)
on the throttle spindle coupling between the
carburetters. Unscrew the throttle stop screws
(2)
to permit the throttle in
each carburetter to fully close, then turn the stop screws until their points
are just contacting the
levers. Rotate the stop screws a further one-ond-a-
half complete turns each, to open the throttle an equal omount, and to
provide a basis from which the final idle speed can be set.
Fig.6 Zenith adjusting screws
2.
Ensure fast
-
idle screw
is
clear of
am,
otherwise incorrect synchronisation
will result. Check
olso that the cold start lever
is
fully off against the stop,
with the choke control on the tunnel switch panel
pushed fully down. Adjust
coupling and cable
OS
necessary, using the balance screw
(3)
for
fine
adjustment.
ESPC
'IT
ISSIIT
nili7n
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