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Mercury 125 OptiMax Owner's Manual

Mercury 125 OptiMax
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MAINTENANCE
eng 79
4. Secure the propeller nut by bending three of the tabs into
the thrust hub grooves.
26945
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 leads. 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.
26946

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Mercury 125 OptiMax Specifications

General IconGeneral
BrandMercury
Model125 OptiMax
CategoryOutboard Motor
LanguageEnglish

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