Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 70Get this manual

Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 70

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TIMING AND SYNCHRONIZATION

IGNITION SYSTEM
Readings taken

SBOF (20"C)
NGK DCPR6E 0.035 in(0.9 mm) 51 in(16 mm) 13 Ib-ft (17.5 Nm) 250 10 BTD.C95134 (WHTBLKfRED) 1

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