Mercury 50 4-Stroke User Manual

MAINTENANCE
79
11.Secure the propeller nut by bending three of the tabs into the
thrust hub grooves.
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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.
26899
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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Mercury 50 4-Stroke Specifications

General

Brand	Mercury
Model	50 4-Stroke
Category	Outboard Motor
Language	English