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Mercury 90 Operation Maintenance Warranty Installation Manual

Mercury 90
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A decal advising against using deep cycle batteries and wing nuts should be
placed on or near the battery box for future service reference. One 5/16 in. and
one 3/8 in. hex nut is supplied per battery for wing nut replacement. Metric hex
nuts are not supplied.
54395
Place decal on or near battery box for future
service reference. Included with the engine
rigging components are 5/16" and 3/8” hex
nuts to be used for battery terminal wing nut
replacement. Metric hex nuts must be obtained
locally.
8M0085862
Refer to the outboard owner’s manual for
battery requirements.
Battery cable size and length is critical.
Refer to engine installation manual for
size requirements.
NOTICE
IMPORTANT:
DO NOT USE DEEP CYCLE BATTERIES!
13.5Nm (120 lb-in.)
DO NOT
USE
WINGNUTS
Propellers
REMOVAL
IMPORTANT: Propellers used on this product require the Mercury Marine
Flo‑Torq III type hub or equivalent.
!
WARNING
Rotating propellers can cause serious injury or death. Never operate the boat
out of the water with a propeller installed. Before installing or removing a
propeller, place the drive unit in neutral and engage the lanyard stop switch
to prevent the engine from starting. Place a block of wood between the
propeller blade and the anti‑ventilation plate.
MAINTENANCE
eng 89

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Mercury 90 Specifications

General IconGeneral
BrandMercury
Model90
CategoryOutboard Motor
LanguageEnglish

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