Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 292Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 292

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SERVICE MANUAL NUMBER 24

Replacing
1 Clean the plug seating area on the cylinder heads2 Adjust spark plug gap with round feeler gaugeBend side electrode to adjust gapRefer to SECTIO

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