4B - 12 - IGNITION SYSTEM
90-816462 2-695
(DDIS) Digital Distributorless
Ignition System
Specifications
COIL
Description
Specification
Primary Resistance
1.9-2.5 Ohms *
1
Secondary Resistance
11.3 - 15.5 Ohms *
2
* At Room Temperature 68
°
F (20
°
C)
1
Ohmmeter scale Rx1
2
Ohmmeter scale Rx1000
IGNITION TIMING
Timing
8
°
BTDC at 700 RPM
FIRING ORDER
50653
IGNITION COIL
FRONT
1-3-4-2
Torque Specifications
Fastener Location
In. Ft.
Lb. Ft.
N·m
Motion Sensor Clamp
3/8-16
20
27
Ignition Amplifier
65
7.3
Ignition coils
20
2.2
Spark Plugs (14 mm)
15
20
Tools/Lubricants/Sealants
Mercury Marine Special Tools
Description
Part Number
Dwell Meter
91-59339
Magneto Analyzer
91-76032
Remote Starter Switch
91-52024A1
Timing Light
91-99379
Volt/Ohm Meter
91-99750
Timing Jumper
91-818812A1
Spark Plugs
Spark Plug Gap
.035 In. (0.9 mm)
3.0L (DDIS)
AC-MR43T
NGK-BR6FS
Champion RV15YC4
3.0LX (DDIS)
AC-MR43LTS
NGK-BPR6EFS
Champion RS12YC
Overspeed Prevention Control
CONTROL MODULE FUNCTION
SPECIFICATIONS
ENGINE SPEED (RPM)
SPARK CONTROL
FUNCTION
4750
Normal Spark
5050
Misfires - Intermittent
Spark
5150
Spark Shuts OFF,
completely
NOTE: Refer to SECTION 1-C for troubleshooting
Summary of Contents for 13
Page 1: ...13 Printed in U S A 90 816462 2 695 1995 Brunswick Corporation GM 4 Cylinder MARINE ENGINES ...
Page 2: ...90 816462 2 695 0 ...
Page 7: ...1 A IMPORTANT INFORMATION GENERAL INFORMATION 72000 ...
Page 15: ...1 B 50617 IMPORTANT INFORMATION MAINTENANCE ...
Page 36: ...1 C IMPORTANT INFORMATION TROUBLESHOOTING ...
Page 74: ...2 A 50633 REMOVAL AND INSTALLATION 4 CYL ALPHA ONE DRIVE ...
Page 88: ...3 A 26790 ENGINE 181 CID 3 0L 4 CYLINDER GM ENGINE ...
Page 137: ...4 A 72079 ELECTRICAL SYSTEMS STARTING SYSTEM ...
Page 170: ...4 B 71855 ELECTRICAL SYSTEMS IGNITION SYSTEM ...
Page 197: ...ELECTRICAL SYSTEMS CHARGING SYSTEM 4 C 72078 ...
Page 237: ...4 D 72747 ELECTRICAL SYSTEMS INSTRUMENTATION ...
Page 250: ...4 E 72938 ELECTRICAL SYSTEMS WIRING DIAGRAMS ...
Page 264: ...5 A FUEL SYSTEM FUEL PUMP ...
Page 271: ...5 B 72681 FUEL SYSTEM MERCARB 2 BARREL CARBURETOR ...
Page 300: ...6 A 50628 COOLING SYSTEM SEAWATER COOLED MODELS ...
Page 309: ...6 B 73665 COOLING SYSTEM CLOSED COOLING MODELS ...
Page 325: ...C 6 EXHAUST SYSTEM MANIFOLD ...
Page 331: ...7 A 71317 POWER STEERING PUMP ...