Mercury 45 User Manual

MAINTENANCE
83
Spark Plug Inspection and Replacement
!
WARNING
Damaged spark plug boots may emit sparks which can ignite fuel
vapors under the engine cowl, resulting in serious injury or death
from a fire or explosion. To avoid damaging the spark plug boots,
do not use any sharp object or metal tool to remove the spark
plug boots.
1. Remove the spark plug boots. Twist the rubber boots slightly
and pull off.
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2. Remove the spark plugs to inspect. Replace spark plug if
electrode is worn or the insulator is rough, cracked, broken,
blistered, or fouled.
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3. Set the spark plug gap to specification.
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Spark Plug
Spark plug gap 1.0 mm (0.040 in.)

Mercury 45 Specifications

General

Brand	Mercury
Model	45
Category	Outboard Motor
Language	English