Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 70Get this manual
TIMING AND SYNCHRONIZATION
ELECTRICAL
Section 2CTiming and Synchronization
Table of Contents
Specifications 2C- Special Tools2C-2 Ignition Timing2C-3 TOC Timing Mark Alignment, 2C-3 Check Timing, 2C-4
Specifications
Type Spark Plug: Type Gap Hex Size Torque Firing Order Ignition Timing: (Fixed) Capacitor Charge Coil Resistance Trigger Coil Resistance Ignition Coil ResistancePrimary Secondary (Wlo Boots) Spark Plug Boot Engine Speed Limiter Oil Pressure Switch (Red Light)