Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 33Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 33

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GENERAL INFORMATION

1 The engine is correctly set up2 Diligent maintenance is applied to combat the detonation causes

Damaged Piston Resulting from Detonation

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