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Caution :
•Malfunction
of the engine during
acceleration at high speed can ilso
be caused by a defective ignition
system
or the
determine the cause of the trouble
before attempting to correct the con
dition by adjusting the carburetor.
valves,
therefore,
•
CARBURETOR ADJUSTMENT
Make
the carburetor adjustment
after the engine has attained operating
temperature.
First adjust the engine idle speed to
approximately 1,500 rpm with the
throttle stop screw © and then turn
the air screw (
) slowly back and forth
2
to obtain the point of the highest
engine rpm.
If this causes the idle speed to
rise excessively, reduce the speed vyith
the throttle stop screw, and in which
case check the air screw agair\.
Repeat the above procedure again
if necessary to obtain a stable adjust
ment
39
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