Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 50Get this manual

Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 50

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IGNITION SYSTEM
Ignition Coil
ASPARK TEST 1 Install spark gap tester (91-63998A1) between high tension spark plug lead and engine ground

2 Crank engine over using starter rope

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