Mercury-MerCruiser GM V6 262 CID 4.3L Marine Engines Service Manual Number 25 Sections 1-3

Table of Contents
IMPORTANT INFORMATION
Section 1A - General Information
Introduction . . . . . . . . . . . . . . . . . . . . . . . . .
1A-2
1A-2
1A-2
1A-3
1A-4
1A-4
1A-5
Propeller Information  . . . . . . . . . . . . . . . .
1A-5
1A-6
1A-6
1A-6
1A-7
1A-8
1A-9
1A-9
How to Use This Manual  . . . . . . . . . . . . .
Page Numbering  . . . . . . . . . . . . . . . . .
How to Read a Parts Manual  . . . . . . . . .
Directional References . . . . . . . . . . . . . . .
Engine Rotation . . . . . . . . . . . . . . . . . . . . .
Engine Serial Number Location  . . . . . . .
Water Testing New Engines   . . . . . . . . . .
Boat and Engine Performance  . . . . . . . .
Boat Bottom  . . . . . . . . . . . . . . . . . . . . .
Marine Fouling  . . . . . . . . . . . . . . . . . . .
Weight Distribution . . . . . . . . . . . . . . . .
Water in Boat  . . . . . . . . . . . . . . . . . . . .
Elevation and Climate  . . . . . . . . . . . . .
Section 1B - Maintenance
Tools  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1B-2
1B-2
Closed Cooling System  . . . . . . . . . . . . . .
1B-17
1B-17
1B-18
1B-20
1B-20
1B-20
Lubricants / Sealants / Adhesives  . . . . .
Maintenance Schedules . . . . . . . . . . . . . .
Maintenance Intervals . . . . . . . . . . . . .
Gas Sterndrive . . . . . . . . . . . . . . . . . . . . . .
Routine Maintenance *  . . . . . . . . . . . .
Scheduled Maintenance * . . . . . . . . . .
Engine and Tune-Up Specifications . . . .
MCM (Sterndrive) . . . . . . . . . . . . . . . . .
Fluid Capacities . . . . . . . . . . . . . . . . . . . . .
Sterndrive Engines   . . . . . . . . . . . . . . .
Sterndrives  . . . . . . . . . . . . . . . . . . . . . .
Checking Coolant Level  . . . . . . . . . . .
Flushing System   . . . . . . . . . . . . . . . . .
Lubrication  . . . . . . . . . . . . . . . . . . . . . . . . .
Throttle Cable . . . . . . . . . . . . . . . . . . . .
Shift Cable . . . . . . . . . . . . . . . . . . . . . . .
Engine Coupler /
1B-3
1B-3
1B-3
1B-3
1B-4
1B-5
U-Joint Shaft Splines  . . . . . . . . . . . . .
Sterndrive Drive
1B-21
1B-5
1B-6
Shaft Extension Models . . . . . . . . . . .
Cleaning Flame Arrestor  . . . . . . . . . . . . .
Top Mounted Flame Arrestor  . . . . . . .
Serpentine Drive Belt  . . . . . . . . . . . . . . . .
Component Location  . . . . . . . . . . . . . .
Serpentine Belt Routing . . . . . . . . . . . . . .
S/N 0L619083 and Below . . . . . . . . . .
S/N 0L619084 and Above   . . . . . . . . .
Inspection  . . . . . . . . . . . . . . . . . . . . . . .
Replacing and/or Adjusting Tension  .
Ignition Timing  . . . . . . . . . . . . . . . . . . . . . .
Thunderbolt V Models . . . . . . . . . . . . .
EFI  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cold Weather or Extended Storage  . . . .
Precautions . . . . . . . . . . . . . . . . . . . . . .
Power Package Layup  . . . . . . . . . . . .
Draining Instructions  . . . . . . . . . . . . . .
Draining Sterndrive  . . . . . . . . . . . . . . .
Recommissioning . . . . . . . . . . . . . . . . .
1B-22
1B-22
1B-23
1B-23
1B-23
1B-24
1B-24
1B-25
1B-26
1B-26
1B-27
1B-27
1B-28
1B-29
1B-29
1B-31
1B-33
1B-38
1B-39
1B-6
1B-6
20-Hour
Break-In Period  . . . . . . . . . . . . .
1B-7
After Break-in Period  . . . . . . . . . . . . . . . .
End of First Season Checkup  . . . . . . . . .
Specifications . . . . . . . . . . . . . . . . . . . . . . .
Fuel Recommendations  . . . . . . . . . . .
Test For Alcohol Content In Gasoline
Power Steering Fluid  . . . . . . . . . . . . . . . .
Coolant for Closed Cooling System . . . .
Crankcase Oil  . . . . . . . . . . . . . . . . . . . . . .
Overfilled Crankcase Oil . . . . . . . . . . .
Checking Engine Oil Level / Filling  . .
Changing Oil and Filter . . . . . . . . . . . . . . .
Changing Water Separating Fuel Filter  .
Power Steering System  . . . . . . . . . . . . . .
Checking Fluid Level . . . . . . . . . . . . . .
Engine Cold   . . . . . . . . . . . . . . . . . . . . .
Filling and Bleeding  . . . . . . . . . . . . . . .
1B-7
1B-7
1B-8
1B-8
1B-10
1B-10
1B-10
1B-11
1B-11
1B-12
1B-12
1B-13
1B-15
1B-15
1B-15
1B-16
Page iv
90-861328--1   NOVEMBER 1999
Product Specification
CategoriesMercury MerCruiser Manuals
Tags,
Model Year1998, 1999, 2000, 2001
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Mercury-MerCruiser GM V6 262 CID 4.3L Marine Engines Service Manual Number 25 Sections 1-3 SKU UPC Model
Steve tyler on Jul 03, 2018. This is great. I really like it. Thank you for providing this valuable opportunity for me.

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stephen on May 10, 2016. 262 mercruiser

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Santiago Verdera ferrer on Nov 19, 2015. Manual mercruiser

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Bob on Nov 05, 2015. I require this manual so I can fix my boat. This site makes it easier for me. Thank you for the download.

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