Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID

SERVICE MANUAL NUMBER 24
IGNITION SYSTEM
ELECTRICAL SYSTEMS
Section 4B - Ignition System
Table of Contents
Ignition Control System Components  . .
Replacement Parts Warning  . . . . . . . . . .
General Precautions . . . . . . . . . . . . . . . . .
EFI System Maintenance Precautions   .
Torque Specifications  . . . . . . . . . . . . . . . .
Tools  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricants / Sealants / Adhesives  . . . . .
Ignition System Specifications  . . . . . . . .
Distributor  . . . . . . . . . . . . . . . . . . . . . . .
Coil  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spark Plugs . . . . . . . . . . . . . . . . . . . . . .
Firing Order . . . . . . . . . . . . . . . . . . . . . .
Timing  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thunderbolt V Models . . . . . . . . . . . . .
EFI / MPI Models  . . . . . . . . . . . . . . . . .
Spark Plugs  . . . . . . . . . . . . . . . . . . . . . . . .
Removal   . . . . . . . . . . . . . . . . . . . . . . . .
Inspection  . . . . . . . . . . . . . . . . . . . . . . .
Replacing   . . . . . . . . . . . . . . . . . . . . . . .
Spark Plug Wires . . . . . . . . . . . . . . . . . . . .
Inspection  . . . . . . . . . . . . . . . . . . . . . . .
Replacing   . . . . . . . . . . . . . . . . . . . . . . .
Ignition Coil . . . . . . . . . . . . . . . . . . . . . . . . .
Carbureted Engines -
4B-2
4B-2
4B-2
4B-3
4B-3
4B-3
4B-3
4B-4
4B-4
4B-4
4B-4
4B-4
4B-5
4B-5
4B-6
4B-6
4B-6
4B-6
4B-7
4B-8
4B-8
4B-8
4B-9
Mercury Marine Distributor  . . . . . . . . . . .
4B-17
4B-17
4B-17
4B-18
4B-18
4B-18
4B-18
4B-19
4B-19
4B-19
4B-20
4B-21
4B-21
4B-21
4B-21
4B-22
4B-22
4B-22
4B-22
4B-22
4B-23
4B-25
4B-25
4B-25
4B-26
4B-26
4B-26
4B-27
4B-28
4B-28
4B-29
Description  . . . . . . . . . . . . . . . . . . . . . .
Exploded View  . . . . . . . . . . . . . . . . . . .
Distributor Cap . . . . . . . . . . . . . . . . . . . . . .
Removal   . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning and Inspection  . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . .
Rotor / Sensor Wheel . . . . . . . . . . . . . . . .
Removal   . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning and Inspection  . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . .
Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Testing  . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal   . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning and Inspection  . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . .
Distributor Repair  . . . . . . . . . . . . . . . . . . .
Removal   . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly  . . . . . . . . . . . . . . . . . . . . .
Reassembly  . . . . . . . . . . . . . . . . . . . . .
Distributor Installation  . . . . . . . . . . . . .
Replacing Distributor Gear  . . . . . . . . . . .
Removal   . . . . . . . . . . . . . . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . .
GM EST Distributor . . . . . . . . . . . . . . . . . .
Removal   . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly  . . . . . . . . . . . . . . . . . . . . .
Cleaning and Inspection  . . . . . . . . . . .
Testing Pickup Coil   . . . . . . . . . . . . . . .
Reassembly  . . . . . . . . . . . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . .
4
B
Thunderbolt V Ignition . . . . . . . . . . . . . . .
Spark Control Features . . . . . . . . . . . .
Circuit Description  . . . . . . . . . . . . . . . .
Thunderbolt V Spark Control Graph  .
Ignition System Wiring Diagram  . . . .
Thunderbolt V Ignition Module . . . . . .
Knock Control Module . . . . . . . . . . . . .
4B-11
4B-11
4B-12
4B-13
4B-14
4B-15
4B-15
90-861327--1
OCTOBER 1999
Page 4B-1
Product Specification
CategoriesMercury MerCruiser Manuals
Tags,
Model Year1998, 1999, 2000, 2001
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- 895 pages
Document File TypePDF
CopyrightAttribution Non-commercial
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Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID SKU UPC Model
Fernando Woll on Dec 09, 2014. Boat Engine

Great performance engine.
Class 1


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