Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 71Get this manual

Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 71

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TIMING AND SYNCHRONIZATION
Specifications
Type Spark Plug: Type Gap Hex Size Torque Firing Order Ignition Timing: (Fixed) Capacitor Charge Coil Resistance Trigger Coil Resistance Ignition