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Cleaning And Adjusting Spark Plug - Yamaha F200A Manual Del Propietário

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EMU01035
CLEANING AND ADJUSTING SPARK
PLUG
WARNING
@
When removing or installing a spark
plug, be careful not to damage the insu-
lator. A damaged insulator could allow
external sparks, which could lead to
explosion or fire.
@
The spark plug is an important engine com-
ponent and is easy to inspect. The condition
of the spark plug can indicate something
about the condition of the engine. For exam-
ple, if the center electrode porcelain is very
white, this could indicate an intake air leak
or carburetion problem in that cylinder. Do
not attempt to diagnose any problems your-
self. Instead, take the outboard motor to a
Yamaha dealer. You should periodically
remove and inspect the spark plug because
heat and deposits will cause the spark plug
to slowly break down and erode. If electrode
erosion becomes excessive, or if carbon and
other deposits are excessive, you should
replace the spark plug with another of the
correct type.
Standard spark plug:
Refer to "SPECIFICATIONS", page 4-1.
Before fitting the spark plug, measure the
electrode gap with a wire thickness gauge;
adjust the gap to specification if necessary.
Spark plug gap:
Refer to "SPECIFICATIONS", page 4-1.
4-23
GB

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