1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 61Get this manual

1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 61

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MercuryMariner 3040 (2 cyl ADI IGNITION SYSTEM (With Electronic Spark Advance) S S
Acceleration Detector

#1 Cylinder Control

Power Supply

RPM Counter