Mercury Mariner 2-stroke Outboard 45 Jet 50 55 60 Factory Service Manual

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GENERAL INFORMATION and SPECIFICATIONS

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Table of Contents
Page Propeller Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 How To Use This Manual . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Page Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Master Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Powerhead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Cowl Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Filling Oil Injection System . . . . . . . . . . . . . . . . . . . . 1-5 Propeller Selection . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Propeller Installation . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Trim "In" Angle Adjustment . . . . . . . . . . . . . . . . . . . 1-7 Propeller Information Chart . . . . . . . . . . . . . . . . . . . 1-8 50/55 models
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 60 models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 Propeller Information Chart . . . . . . . . . . . . . . . . . . . 1-9 60 Big foot, 60 SeaPro/Marathon . . . . . . . . . . . 1-9 50-60 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9 Stainless Steel Race Propellers ­ Available from Mercury Performance Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9 General Information: . . . . . . . . . . . . . . . . . . . . . . 1-9 Power Trim System (Models with Power Trim) . . . . . . . . . . . . . . . . . . . 1-10 General Information . . . . . . . . . . . . . . . . . . . . . . 1-10 Checking Trim System Fluid Level . . . . . . . . . 1-11 Trimming (Models with Power Trim) . . . . . . . . . . . 1-11 Trimming Outboard "Out" ("Up") . . . . . . . . . . . 1-11 Trimming Outboard "In" ("Down") . . . . . . . . . . 1-11 Trim Tab Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 1-12 Boat Performa
nce . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12 Test Instructions . . . . . . . . . . . . . . . . . . . . . . . . 1-12 Page Lubrication Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14 Ride Guide Steering Cable and Pivot Point Lubrication . . . . . . . . . . . . . . . . . . . . . . . 1-15 Gear Housing Lubrication . . . . . . . . . . . . . . . . . 1-16 Salt Water Corrosion - Gear Housing Bearing Carrier and Cover Nut . . . . . . . . . . 1-16 Periodic Inspection . . . . . . . . . . . . . . . . . . . . . . . . . 1-17 Flushing Outboard Cooling System . . . . . . . . . . . 1-17 Following Complete Submersion . . . . . . . . . . . . . 1-18 Salt Water Submersion (Special Instructions) . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18 Submerged While Running (Special Instructions) . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18 Submerged Engine (Fresh Water) (Plus Special Instructions) . . . . . . . . . . . . . . 1-18 Out-of-Season Outboard Storage . . . . . . . .
. . . . . 1-19 Out-of-Season Battery Storage . . . . . . . . . . . . . . . 1-19 How Weather Affects Engine Performance . . . . . 1-20 Conditions Affecting Operation . . . . . . . . . . . . . . . 1-21 Detonation: Causes and Prevention . . . . . . . . . . 1-21 Compression Check . . . . . . . . . . . . . . . . . . . . . . . . 1-21 Water Pressure Check . . . . . . . . . . . . . . . . . . . . . . 1-22 Serial Number Location . . . . . . . . . . . . . . . . . . . . . 1-22 Painting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23 Decal Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24

1-0 - GENERAL INFORMATION and SPECIFICATIONS

90-817643R1 DECEMBER 1996

Propeller Information
For in-depth information on marine propellers and boat performance ­ written by marine engineers ­ see your Authorized Dealer for the illustrated "What You Should Know About Quicksilver Propellers... and Boat Performance Information" (Part No. 90-86144).

Section 1 2 3 4 5 6 7

Section Heading General Information and Specifications Electrical & Ignition Fuel Systems Powerhead Mid-Section Lower Unit Outboard Installation/Attachments

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 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:

EXAMPLE:

90-817643R2 DECEMBER 1996

LOWER UNIT - 6A-7

Revision No. 2 Month of Printing Year of Printing

Section Description Section Number Part of Section Letter Page Number

90-817643R1 DECEMBER 1996

GENERAL INFORMATION and SPECIFICATIONS - 1-1