SERVICE MANUAL NUMBER 26
IGNITION SYSTEM
Advance Curve
Module Part Number: 811637
Module Advance: See Notice
Initial Timing: 1° BTDC1 / 1° ATDC2 / 2° ATDC3
Total Advance: 23°
1
Serial number break: 0L340999 and below unless specified differently below
Serial number break: 0K001529 - 0L097000 Timing changes to 1° ATDC only if engine experiences a cylinder
2
head gasket failure that has blown out toward the intake exhaust manifold on the port side of the engine.
3
Serial number break: 0L341000 and above.
NOTICE
Advance curve includes initial timing. DO NOT add initial timing degrees to total
advance degrees.
35
°
30
°
25
°
20
°
15
°
10
°
MAX.
MIN.
5
°
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
ENGINE R.P.M.
70808-15
Initial Timing 1° BTDC
Index
90-861329--1
MARCH 1999
Page 4B-15
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 181 CID |
| Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(6 votes, average: 5 out of 5)
Marine readers have rated Mercury MerCruiser GM 4 Cylinder 181 cid 3.0L Marine Engines Service Manual Number 26 5.0 out of 5.0 based on 6 product reviews. Thanks for sharing this material. Helps a lot after suffering with bad mechanics. spend too much money and nothing very good
great manual, makes impossible jobs possible. without a manual you can not do the job, a must have.
Great resource. Excellent information provided.
Need help to install automate choke
Need help to instal automate choke