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Mercury FourStroke 9.9 User Manual

Mercury FourStroke 9.9
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Open the fuse holder and look at the silver colored band inside the fuse. If band
is broken, replace the fuse. Replace the fuse with a new fuse with the same
rating.
Identifying a blown fuse
a - Good fuse
b - Blown fuse
Spark Plug Inspection and Replacement
!
WARNING
Damaged spark plug boots may emit sparks that 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 boot. Twist the rubber boot slightly and pull off.
26899
2. Remove the spark plug to inspect. Replace spark plug if electrode is worn
or the insulator is rough, cracked, broken, blistered, or fouled.
26946
a
b
28619
MAINTENANCE
88 eng

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Mercury FourStroke 9.9 Specifications

General IconGeneral
BrandMercury
ModelFourStroke 9.9
CategoryOutboard Motor
LanguageEnglish

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