Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 53Get this manual

Mercury Mercruiser GM V-8 305 CID / 350 CID Engines Service Manual., Page 53

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SERVICE MANUAL NUMBER 24
CAUTION
Do not run engine above 1500 rpm when flushingSuction created by seawater pickup pump may collapse flushing hose, causing engine to overheat
CAUTION<