Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 97Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 97

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SERVICE MANUAL NUMBER 24
Engine Runs Poorly at Idle
Symptoms Cause Main metering jets clogged or improperly sized Leaking gaskets Float adjustment Engine surges Saturated float Power valve