Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 291Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 291

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IGNITION SYSTEM
Removal
1 Disconnect spark plug wires (high tension leads) from spark plugsNOTE: Use care when removing spark plug wires and boots from spark plugsTwist the boot 12 turn be