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Mercury 90 Service Manual

Mercury 90
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ii 90-830234R3 DECEMBER 1997
Whenever components are removed for service,
they should be retained in order. At the time of instal-
lation, they should be installed in the same locations
and with the same mating surfaces as when re-
moved.
Before raising or removing and outboard engine from
a boat, the following precautions should be adhered
to:
1. Check that flywheel is secured to end of crank-
shaft with a locknut and lifting eye is threaded into
flywheel a minimum of 5 turns.
2. Connect a hoist of suitable strength to the lifting
eye.
In addition, personnel should not work on or under an
outboard which is suspended. Outboards should be
attached to work stands, or lowered to ground as
soon as possible.
We reserve the right to make changes to this manual
without prior notification.
Refer to dealer service bulletins for other pertinent in-
formation concerning the products described in this
manual.
Propeller Information
For in-depth information on marine propellers and
boat performance – see your Authorized Dealer for
the illustrated “What You Should Know About Quick-
silver Propellers... and Boat Performance Informa-
tion” (90-86144).
How To Use This Manual
The manual is divided into SECTIONS (shown, right)
which represents major components and systems.
Some SECTIONS are further divided into PARTS.
Each PART has a title page. A “Table of Contents” for
the particular PART is printed on the back page of the
title page.
SECTIONS and PARTS are listed on the “Service
Manual Outline” sheet which immediately follows the
cover of this book.
Page Numbering
Two number groups appear at the bottom of each
page. The example below is self-explanatory.
EXAMPLE:
90-830234 R3 NOVEMBER 1997
LOWER UNIT - 6A-7
Revision No. 3
Month of Printing
Year of Printing
Section Description
Section Number
Part of Section Letter
Page Number

Table of Contents

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Mercury 90 Specifications

General IconGeneral
BrandMercury
Model90
CategoryOutboard Motor
LanguageEnglish

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