47
place the spark plug with another of the cor-
rect type.
Standard spark plug:
B7HS
Before fitting the spark plug, measure the
electrode gap with a wire thickness gauge;
adjust the gap to specification if necessary.
O electrolito da batería é perigoso; comtem
ácido sulfúrico e, em consequencia, é venenoso
1. Spark plug gap
2. Spark plug I.D. mark (NGK)
Cleaning and adjusting spark plug
When removing or installing a spark plug,
be careful not to damage the insulator. 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 yourself.
Instead, take the outboard motor to a
PowertecOutBoards dealer. You should periodi-
cally re-
move 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 re-
WARNING
Maitenance
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