Name: Mercury 50 4-Stroke
Brand: Mercury
Rating: 5 (1 reviews)

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MAINTENANCE

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.

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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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Mercury 50 4-Stroke Specifications

General