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TM 10-3930-653-14&P
Condition
Probable cause
Corrective action
Engine hesitation
Main jet or slow jet clogged.
Clean.
By-pass hole idle passage clogged.
Clean tube.
Idling adjustment incorrect.
Correct adjustment.
Engine does not start
Fuel overflows.
See the first item.
No fuel
Check pump, fuel pipe and needle valve.
Idling adjustment incorrect.
Adjust.
Fast idle adjustment incorrect.
Adjust.
4-63
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