62Y5A11
9-8
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Symptom: Engine does not accelerate when the throttle is opened quickly.
The engine turns off when the throttle is opened quickly.
Acceleration is tardy and the engine is likely to stop at any moment.
• Check the carburetors.
• Check the ignition system.
• Check the compression pressure of the power unit.
Adjust the throttle cable.
Clogs, debris,
or wear?
Yes
No
Yes
No
Check the throttle cable opera-
tion.
Clean the carburetor or replace
the respective parts.
Do the carbu-
retor throttle
valves close
simulta-
neously?
Check the ignition system and
the compression pressure of the
engine.
Disassemble the carburetor and
check the internal parts for
clogs, debris, or wear.
Power unit
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