Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 83Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 83

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SERVICE MANUAL NUMBER 24

Table of Contents
Used Spark Plug Analysis Normal Condition Chipped Insulator Wet Fouling (Oil Deposits) Cold Fouling Overheating High Speed Glazing Scaveng