SERVICE MANUAL NUMBER 24
IGNITION SYSTEM
Thunderbolt V Spark Control Graph
IMPORTANT: The graph below shows the typical advance ranges for a Thunderbolt
V Ignition Control Module. The numbers plotted on the graph are not representative
of any particular model. It is only presented to provide an understanding of how the
system functions.
35
°
30
°
25
°
20
°
15
°
10
°
5
°
0
°
–5
°
–10
°
°
–15
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
ENGINE RPM
=
=
=
Base Timing Advance Curve
Idle Speed Advance Range
Knock Retard Range
=
=
Acceleration Advance Range
MBT Advance Range (Not A Function On Ski Model)
90-861327--1
OCTOBER 1999
Page 4B-13
Product Specification
Categories | Mercury MerCruiser Manuals |
---|---|
Tags | Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID |
Model Year | 1998, 1999, 2000, 2001 |
Download File |
|
Document File Type | |
Copyright | Attribution Non-commercial |
Great performance engine.
Class 1