Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 70Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 70

Quality of the image is intentionally reduced!

MAINTENANCE
CAUTION
Avoid product damageDo not disturb the Y-fitting when removing the drain plugThere is an ignition control "Knock Sensor" in the upper hole of the fittingThis sensor mus